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Contents
- The climate of Kalispell
- The best time to visit Kalispell
- The worst time to visit Kalispell
- Spring weather in Kalispell
- Summer weather in Kalispell
- Autumn weather in Kalispell
- Winter weather in Kalispell
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
A gorgeous sunset over the tranquil city of Kalispell, Montana
The climate of Kalispell
Situated in Montana, Kalispell falls under the Humid Continental Dfb climate zone according to the Köppen climate classification. This climate type is characterized by the absence of a dry season and warm summers. A thorough observation of the given climatological parameters indicates noticeable fluctuations throughout the calendar year.
Two significant shifts in weather parameters, namely temperature and precipitation, dictate the overall climate of Kalispell. Monthly average high temperatures range from 25.9°F (-3.4°C) in January to 77.5°F (25.3°C) in July whereas monthly average low temperatures swing between 14.7°F (-9.6°C) in January and December to 46.4°F (8°C) in August. This significant temperature variation creates a diverse seasonal cycle.
The pattern of precipitation in Kalispell follows its own unique rhythm. Rainfall tends to be more generous in summer months with quantity peaking at 2.05" (52mm) in June, while January and December receive the least amount of rainfall at 1.65" (42mm). The incidence of snow is prevalent from October to April with snowfall registering at its highest in January, hitting 11.3" (287mm).
Visibility varies moderately throughout the year with the maximum of 6 miles from May to October and a minimum of 3 miles in January. Sunshine hours peak in July with an average of 11.9 hours while December sees the least amount of sunshine with 4.1 hours. Interestingly, the highest UV index captured is 5 seen in July, undoubtedly a product of lengthier daylight hours during the summer period.
Two significant shifts in weather parameters, namely temperature and precipitation, dictate the overall climate of Kalispell. Monthly average high temperatures range from 25.9°F (-3.4°C) in January to 77.5°F (25.3°C) in July whereas monthly average low temperatures swing between 14.7°F (-9.6°C) in January and December to 46.4°F (8°C) in August. This significant temperature variation creates a diverse seasonal cycle.
The pattern of precipitation in Kalispell follows its own unique rhythm. Rainfall tends to be more generous in summer months with quantity peaking at 2.05" (52mm) in June, while January and December receive the least amount of rainfall at 1.65" (42mm). The incidence of snow is prevalent from October to April with snowfall registering at its highest in January, hitting 11.3" (287mm).
Visibility varies moderately throughout the year with the maximum of 6 miles from May to October and a minimum of 3 miles in January. Sunshine hours peak in July with an average of 11.9 hours while December sees the least amount of sunshine with 4.1 hours. Interestingly, the highest UV index captured is 5 seen in July, undoubtedly a product of lengthier daylight hours during the summer period.
The best time to visit Kalispell
Even though the optimal time to visit Kalispell largely depends on individual preferences and planned activities, July and August typically offer the most favorable conditions. These months boast the highest temperatures with an average high of 77.5°F (25.3°C) in July and 77.4°F (25.2°C) in August. Furthermore, these summer months see the longest daylight hours, stretching up to 16 hours in June and decreasing slightly to 15.6 hours in July and 14.3 hours in August. With noticeably less rainfall than other months - 0.63" (16mm) and 0.55" (14mm) in July and August respectively - these sunny, warm and dry conditions make summer the best time to explore Kalispell's outdoors.
The worst time to visit Kalispell
For those who are not fans of the cold, January is arguably the least desirable time to visit Kalispell. This month sees the coldest temperatures with an average high of just 25.9°F (-3.4°C) and an average low of 14.7°F (-9.6°C). In addition, January has the highest snowfall of the year with 11.3" (287mm), which also coincides with the shortest amount of daylight - just 8.9 hours. To further compound matters, January also records the highest relative humidity of the year at 93%.
Spring weather in Kalispell
Spring in Kalispell brings about noticeable warming, particularly in the latter part of the season. The average high and low temperatures steadily rise from a frigid 36.5°F (2.5°C) and 22.3°F (-5.4°C) in March to a more comfortable 59.5°F (15.3°C) and 35.6°F (2°C) in May. During spring, rainfall levels also increase marginally from 1.93" (49mm) in March to 2.05" (52mm) in June.
Summer weather in Kalispell
Summer in Kalispell offers mild and pleasant conditions. Temperatures reach their peak in July and August with highs of 77.5°F (25.3°C) and 77.4°F (25.2°C) respectively, and lows of 46.2°F (7.9°C) and 46.4°F (8°C) correspondingly. Despite June being the wettest month of the year with 2.05" (52mm) of rainfall, the remaining summer months are significantly dry. The UV index also reaches its highest point in July, indicating the need for sun protection.
Autumn weather in Kalispell
Autumn brings about a conspicuous decrease in temperatures with highs falling from 65.7°F (18.7°C) in September to a much cooler 34.5°F (1.4°C) in November. Similarly, lows also drop from 39.9°F (4.4°C) in September to 23.5°F (-4.7°C) in November. Rainfall peaks at 1.42" (36mm) in October, before descending to 1.54" (39mm) in November.
Winter weather in Kalispell
Winter in Kalispell is characterized by harsh cold temperatures and significant snowfall. December and January claim the coldest months' title with average highs of 25.9°F (-3.4°C) and average lows of 14.7°F (-9.6°C) respectively. On top of this, these months also endure the heaviest snowfall with 10.79" (274mm) in December and 11.3" (287mm) of snow in January. This is accompanied by the shortest daylight hours, with a mere 8.4 hours in December.
Weather in January
Frequent snow showers are part of the weather narrative in Kalispell, Montana during January. The mercury tends to dip significantly at this time, as it is one of the coldest months. As the New Year unfolds, locals can expect daylight durations to start increasing gradually. Weather in January »
Weather in February
Kalispell begins to shake off the bitter cold as February sets in, but it is still very much a winter month. Snowfall continues to be a routine part of the scenery, and the marginally longer daylight hours bring some respite. Being one of the months with less sunshine, the UV index remains subdued at one. Weather in February »
Weather in March
March heralds the onset of Spring in Kalispell, bringing with it some subtle weather changes. The snowfall starts to wane, making way for more rainy days. Nevertheless, residents still need to wrap up warm as it is not uncommon for temperatures to dive down in the early days of spring. Weather in March »
Weather in April
April marks a definitive shift towards more temperate and inviting weather. As the snow melts away, rain becomes the major weather pattern. The city can also enjoy longer daylight hours, and the increase in the average sunshine per day further adds to the pleasantness of April. Weather in April »
Weather in May
In May, Kalispell's weather becomes significantly milder, with the lingering signs of winter finally disappearing. The rainfall indeed increases compared to April, but the longer hours of sunshine compensate for this. The temperature gradient also becomes milder, making May a pleasantly warm month in Kalispell. Weather in May »
Weather in June
The arrival of June in Kalispell signals the onset of summer. With the increase in temperatures, locals and visitors alike can enjoy the longer daylight hours. The rainfall increases during this time, allowing for lush, green landscapes. Weather in June »
Weather in July
July sees the peak of summer in Kalispell, with temperatures typically hitting their maximum levels. The longer hours of daylight, coupled with high temperatures, make this time perfect for outdoor activities. Although the heat index is high, the relative humidity plummets to the year’s low, keeping the heat manageable. Weather in July »
Weather in August
Continuing the trend of summer, August exhibits similar weather patterns to July. This month tends to be hot, and while rainfall slightly increases compared to July, the weather still remains relatively dry. The days are long, bright, and usually clear, inviting the residents to partake in outdoor activities. Weather in August »
Weather in September
Kalispell begins to transition into fall in September, creating an amalgamation of warm days and cooler nights. Despite the temperatures starting to drop, sunshine remains abundant, and the gradually decreasing daylight hours start to hint at the approaching winter. Weather in September »
Weather in October
With October’s arrival, Kalispell can expect a pronounced transition into Fall’s cooler temperatures. This is when nature puts on a colorful show as the city's flora changes hues. Rains become more frequent as well, contributing to the overall dampness of the weather. Weather in October »
Weather in November
As November sets in, the weather in Kalispell changes to a much cooler profile. It is this month when snowfall starts to become a significant part of the weather. The fall foliage gives way to bare trees, and the shorter daylight hours remind locals of the impending winter. Weather in November »
Weather in December
December witnesses the onset of winter in full swing in Kalispell. This is the month when the landscape is painted white with significant snowfall. The short daylight hours and the less frequent sunshine contribute to the typical chill of the holiday season. Weather in December »
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
January is the most humid month, with an average relative humidity of 93%.
How many days does it rain?
Throughout the year, there are 142.8 rainfall days, and 17.36" (441mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, September through December.
When does it snow the most?
The month with the most snowfall in Kalispell is January, when snow falls for 20.6 days and typically aggregates up to 11.3" (287mm) of snow.
How many days does it snow?
Throughout the year, there are 104.7 snowfall days, and 51.34" (1304mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the rainiest month?
June is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.05" (52mm) of precipitation.
When it does not snow?
In Kalispell, snow does not fall in June through August.
When are the longest days?
With an average of 16h and 0min of daylight, June has the longest days of the year.
What month is the hottest?
July temperatures tend to peak at an average high of 77.5°F (25.3°C) and dip to a low of 46.2°F (7.9°C).
What month has the most sunshine?
With an average of 11.9h of sunshine, July has the most sunshine of the year.
When is the highest UV index?
July is the month with the highest UV index, with an average maximum UV index of 5.
What is the least humid month?
With an average relative humidity of 55%, August is the least humid month.
What is the driest month?
The month with the least rainfall is August, when the rain falls for 6.6 days and typically collects 0.55" (14mm) of precipitation.
What are the coldest months?
Kalispell's coldest temperatures are experienced in December, with average high temperatures of 25.9°F (-3.4°C) and lows of 14.7°F (-9.6°C).
What is the month with the shortest days?
With an average of 8h and 24min of daylight, December has the shortest days of the year.
Average temperature
Kalispell, MT
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.9°F).
The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure
Kalispell, MT
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Kalispell, MT
- Average wind speed in January:
3.9mph - Average wind speed in February:
4.1mph - Average wind speed in March:
4.3mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.4mph - Average wind speed in June:
4.4mph
- Average wind speed in July:
4mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.1mph - Average wind speed in November:
4.2mph - Average wind speed in December:
3.8mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
Kalispell, MT
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall
Kalispell, MT
- Average rainfall in January:
1.65" - Average rainfall in February:
1.61" - Average rainfall in March:
1.93" - Average rainfall in April:
1.81" - Average rainfall in May:
1.61" - Average rainfall in June:
2.05"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.55" - Average rainfall in September:
0.91" - Average rainfall in October:
1.42" - Average rainfall in November:
1.54" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days
Kalispell, MT
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
17.3 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
6.6 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is April (17.9 days).
The month with the least rainy days is August (6.6 days).
Average snowfall
Kalispell, MT
- Average snowfall in January:
11.3" - Average snowfall in February:
10.55" - Average snowfall in March:
7.44" - Average snowfall in April:
2.95" - Average snowfall in May:
0.71" - Average snowfall in June:
0"
The month with the highest snowfall is January (11.3").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Kalispell, MT
- Average snowfall days in January:
20.6 days - Average snowfall days in February:
19.9 days - Average snowfall days in March:
16.8 days - Average snowfall days in April:
7.6 days - Average snowfall days in May:
0.9 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
3.9 days - Average snowfall days in November:
13.3 days - Average snowfall days in December:
21.5 days
The month with the highest number of snowfall days is December (21.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Kalispell, MT
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Kalispell, MT
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
7.2 days - Average sunshine days in April:
8.4 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
20.8 days - Average sunshine days in August:
21.8 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
14.1 days - Average sunshine days in November:
11.4 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index
Kalispell, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Kalispell, MT
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Kalispell, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Kalispell, Montana, USA
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