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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, like December, is another subzero cold winter month in Arlee, Montana, with an average temperature ranging between max 28.8°F (-1.8°C) and min 15.6°F (-9.1°C). As December transitions into January, Arlee records an average high-temperature of a still freezing cold 28.8°F (-1.8°C), showing a gentle shift from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Arlee, Montana, with an average temperature varying between 15.4°F (-9.2°C) and 29.3°F (-1.5°C). The onset of February brings an average high-temperature of a still freezing cold 29.3°F (-1.5°C), nearly matching the January temperature. Weather in February »
Weather in March
March, the first month of the spring in Arlee, is a cold month, with an average temperature ranging between max 37.9°F (3.3°C) and min 22.5°F (-5.3°C). The start of March signals a slight increase in the average high-temperature, moving from a subzero cold 29.3°F (-1.5°C) in February to a wintry 37.9°F (3.3°C). Weather in March »
Weather in April
April is a chilly spring month in Arlee, Montana, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 27.5°F (-2.5°C). Arlee sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 37.9°F (3.3°C) in March to a frosty 46.9°F (8.3°C). Weather in April »
Weather in May
May, the last month of the spring in Arlee, is a mild month, with an average temperature fluctuating between 59°F (15°C) and 34.5°F (1.4°C). As April gives way to May, the average high-temperature displays an increase, moving from a chilly 46.9°F (8.3°C) to a moderate 59°F (15°C). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Arlee, Montana, with an average temperature varying between 41.2°F (5.1°C) and 67.1°F (19.5°C). In June, the average high-temperature marginally rises from a moderate 59°F (15°C) in May to a comfortable 67.1°F (19.5°C). Weather in June »
Weather in July
July is a moderately hot summer month in Arlee, Montana, with an average temperature ranging between min 46.9°F (8.3°C) and max 78.8°F (26°C). Arlee registers the highest average temperatures during the month of July, with peaks of 78.8°F (26°C) and lows of 46.9°F (8.3°C). Weather in July »
Weather in August
August, the last month of the summer in Arlee, is another warm month, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 47.5°F (8.6°C). The beginning of August records an average high-temperature of a still warm 78.3°F (25.7°C), marking a negligible difference from July's 78.8°F (26°C). Weather in August »
Weather in September
September, the first month of the autumn in Arlee, is still a refreshing month, with an average temperature fluctuating between 40.8°F (4.9°C) and 67.8°F (19.9°C). Arlee experiences a temperature shift at the start of September, with average high-temperatures adjusting from a moderately hot 78.3°F (25.7°C) in August to a refreshing 67.8°F (19.9°C). Weather in September »
Weather in October
October, like September, is a frosty autumn month in Arlee, Montana, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 49.8°F (9.9°C). The start of October signals a clear decrease in the average high-temperature, falling from a comfortable 67.8°F (19.9°C) in September to a frosty 49.8°F (9.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Arlee, is also a wintry month, with an average temperature varying between 36.3°F (2.4°C) and 22.1°F (-5.5°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a chilly 49.8°F (9.9°C) to a cold 36.3°F (2.4°C). Weather in November »
Weather in December
December, the first month of the winter in Arlee, is also a subzero cold month, with an average temperature fluctuating between 27°F (-2.8°C) and 14.4°F (-9.8°C). December is the month that records the lowest temperatures, with averages ranging from a high of 27°F (-2.8°C) to a low of 14.4°F (-9.8°C). Weather in December »
Updated: Jun 19, 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 in Arlee?
The most humid month is January, with an average relative humidity of 91%.
How many days does it rain?
Throughout the year, there are 92.3 rainfall days, and 14.37" (365mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through June, September through December.
How many days does it snow?
Throughout the year, in Arlee, Montana, there are 121.1 snowfall days, and 68.31" (1735mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine in Arlee, Montana, is January, with an average of 4.3h of sunshine.
What is the month with the lowest UV index in Arlee?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 19.3 days and accumulates 11.77" (299mm) of snow.
When is Daylight Saving Time (DST) in Arlee?
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 wettest month?
April is the month with the most rainfall. Rain falls for 8.9 days and accumulates 1.61" (41mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 15h and 54min of daylight.
What time of the year is the hottest?
Arlee's temperatures peak on average in July, reaching 78.8°F (26°C) at their highest and 46.9°F (8.3°C) at their lowest.
What are the least humid months?
July and August, with an average relative humidity of 51%, are the least humid months in Arlee.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 6.8 days and typically collects 0.55" (14mm) of precipitation.
When it does not snow?
July and August are months without snowfall.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11.6h of sunshine.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the coldest time of year?
The coldest temperatures in Arlee occur during December, when averages reach a peak of 27°F (-2.8°C) and a low of 14.4°F (-9.8°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 36min of daylight.
Average temperature
Arlee, MT
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27°F).
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (14.4°F).
Average pressure
Arlee, MT
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Arlee, MT
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.6mph - Average wind speed in March:
4.7mph - Average wind speed in April:
5mph - Average wind speed in May:
4.5mph - Average wind speed in June:
4.7mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.2mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.4mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Arlee, MT
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall
Arlee, MT
- Average rainfall in January:
1.22" - Average rainfall in February:
1.42" - Average rainfall in March:
1.34" - Average rainfall in April:
1.61" - Average rainfall in May:
1.38" - Average rainfall in June:
1.54"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.71" - Average rainfall in September:
0.83" - Average rainfall in October:
1.34" - Average rainfall in November:
1.22" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is April (1.61").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days
Arlee, MT
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
8.9 days - Average rainfall days in May:
11.6 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
6.8 days - Average rainfall days in August:
6.8 days - Average rainfall days in September:
8.4 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6.2 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (4.5 days).
Average snowfall
Arlee, MT
- Average snowfall in January:
10" - Average snowfall in February:
11.77" - Average snowfall in March:
9.69" - Average snowfall in April:
9.65" - Average snowfall in May:
2.76" - Average snowfall in June:
0.63"
The month with the highest snowfall is February (11.77").
The months with the least snowfall are July and August (0").
Average snowfall days
Arlee, MT
- Average snowfall days in January:
18.7 days - Average snowfall days in February:
19.3 days - Average snowfall days in March:
19.4 days - Average snowfall days in April:
13.2 days - Average snowfall days in May:
5.6 days - Average snowfall days in June:
1.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.7 days - Average snowfall days in October:
8.3 days - Average snowfall days in November:
15.5 days - Average snowfall days in December:
19.3 days
The month with the highest number of snowfall days is March (19.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Arlee, MT
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Arlee, MT
- Average sunshine days in January:
12.4 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
22.5 days - Average sunshine days in August:
22.3 days - Average sunshine days in September:
19.8 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
12.3 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is March (9.3 days).
Average UV index
Arlee, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Arlee, MT
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility
Arlee, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Arlee, Montana, USA
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