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Contents
- 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
Weather in January
January, the same as December, in La Salle, Montana, is a freezing cold winter month, with an average temperature ranging between min 14.7°F (-9.6°C) and max 27.3°F (-2.6°C). As December transitions into January, the average high-temperature rests at a still freezing cold 27.3°F (-2.6°C), maintaining a close resemblance to the previous month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in La Salle, Montana, with an average temperature varying between 28°F (-2.2°C) and 14.4°F (-9.8°C). The transition into February shows a subtle variation to a still freezing cold 28°F (-2.2°C) from January's 27.3°F (-2.6°C) in the average high-temperature. Weather in February »
Weather in March
March, the first month of the spring in La Salle, is an icy month, with an average temperature ranging between max 36.5°F (2.5°C) and min 22.3°F (-5.4°C). The arrival of March signals a slight increase in the average high-temperature, moving from a subzero cold 28°F (-2.2°C) in February to a cold 36.5°F (2.5°C). Weather in March »
Weather in April
April is a frosty spring month in La Salle, Montana, with an average temperature varying between 28.2°F (-2.1°C) and 46.8°F (8.2°C). With the onset of April, La Salle's weather sees a temperature rise, transitioning from an icy 36.5°F (2.5°C) in March to a chilly 46.8°F (8.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderate month in La Salle, Montana, with an average temperature varying between 35.6°F (2°C) and 59.5°F (15.3°C). As May arrives, a rise in the average high-temperature is observed, moving from a chilly 46.8°F (8.2°C) in April to a refreshing 59.5°F (15.3°C). Weather in May »
Weather in June
June, the first month of the summer in La Salle, is a comfortable month, with temperature in the range of an average high of 66.9°F (19.4°C) and an average low of 41.9°F (5.5°C). In La Salle, the onset of June comes with a modest high-temperature shift, transitioning from May's mild 59.5°F (15.3°C) to a still refreshing 66.9°F (19.4°C). Weather in June »
Weather in July
July is a moderately hot summer month in La Salle, Montana, with an average temperature ranging between min 46.2°F (7.9°C) and max 77.5°F (25.3°C). During the warmest month, July, temperatures average a high of 77.5°F (25.3°C) and a low of 46.2°F (7.9°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in La Salle, Montana, with an average temperature varying between 46.4°F (8°C) and 77.4°F (25.2°C). La Salle's shift from July to August is accompanied by an average high-temperature of a still warm 77.4°F (25.2°C), a slight deviation from 77.5°F (25.3°C). Weather in August »
Weather in September
September, the first month of the autumn in La Salle, is still a comfortable month, with an average temperature fluctuating between 39.9°F (4.4°C) and 65.7°F (18.7°C). The shift to September brings a decrease in the average high-temperature, falling from a warm 77.4°F (25.2°C) in August to a comfortable 65.7°F (18.7°C). Weather in September »
Weather in October
October, the same as September, in La Salle, Montana, is another chilly autumn month, with an average temperature varying between 48.7°F (9.3°C) and 31.1°F (-0.5°C). October indicates a noticeable reduction in the average high-temperature, moving down from an enjoyable 65.7°F (18.7°C) in September to a chilly 48.7°F (9.3°C). Weather in October »
Weather in November
November, the last month of the autumn in La Salle, is another cold month, with an average temperature fluctuating between 34.5°F (1.4°C) and 23.5°F (-4.7°C). November's arrival comes with a decrease in the average high-temperature, moving from a chilly 48.7°F (9.3°C) in October to a wintry 34.5°F (1.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in La Salle, Montana, with temperature in the range of an average high of 25.9°F (-3.4°C) and an average low of 14.7°F (-9.6°C). The coldest month is December, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 14.7°F (-9.6°C). Weather in December »
Updated: Jun 8, 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?
The most humid month is January, with an average relative humidity of 93%.
How much does it rain?
Throughout the year, there are 142.8 rainfall days, and 17.36" (441mm) of precipitation is accumulated.
When does it snow?
January through May, September through December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 20.6 days and typically aggregates up to 11.3" (287mm) of snow.
How much 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?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
When is 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?
June through August are months without snowfall.
When are the longest days?
With an average of 16h and 0min of daylight, June has the longest days of the year.
What is the hottest time of year?
In La Salle, July is identified by the average highest temperatures, reaching a peak of 77.5°F (25.3°C) and a low of 46.2°F (7.9°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11.9h of sunshine.
What is the month with the highest UV index in La Salle?
July is the month with the highest UV index, with an average maximum UV index of 5.
What is the least humid month?
August is the least humid month, with an average relative humidity of 55%.
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 is the coldest month?
In La Salle, December is the coldest month, with temperatures averaging a high of 25.9°F (-3.4°C) and a low of 14.7°F (-9.6°C).
What is the month with the shortest days in La Salle?
With an average of 8h and 24min of daylight, December has the shortest days of the year.
Average temperature
La Salle, 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
La Salle, 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
La Salle, 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
La Salle, MT
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall
La Salle, 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
La Salle, 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
La Salle, 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
La Salle, 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
La Salle, MT
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - 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
La Salle, 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
La Salle, 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
La Salle, 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
La Salle, 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).
La Salle, Montana, USA
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