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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 Coalwood, Montana, is a freezing cold winter month, with an average temperature varying between 15.1°F (-9.4°C) and 28.8°F (-1.8°C). January, recording an average high temperature of 28.8°F (-1.8°C) and a low temperature of 15.1°F (-9.4°C), is Coalwood's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Coalwood, Montana, with an average temperature fluctuating between 16.2°F (-8.8°C) and 29.7°F (-1.3°C). The average high-temperature during February registers at a still freezing cold 29.7°F (-1.3°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Coalwood, is a frosty month, with an average temperature fluctuating between 44.2°F (6.8°C) and 28.8°F (-1.8°C). March signals a considerable rise in Coalwood's average high-temperature, advancing from a subzero cold 29.7°F (-1.3°C) in February to a frosty 44.2°F (6.8°C). Weather in March »
Weather in April
April is a moderate spring month in Coalwood, Montana, with an average temperature ranging between min 37.9°F (3.3°C) and max 55.4°F (13°C). Noticing a change, the average high-temperature during April moves from March's chilly 44.2°F (6.8°C) to a mild 55.4°F (13°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Coalwood, Montana, with an average temperature varying between 66.6°F (19.2°C) and 47.5°F (8.6°C). An increase in the average high-temperature marks May, moving from April's moderate 55.4°F (13°C) to a comfortable 66.6°F (19.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Coalwood, Montana, with an average temperature ranging between max 77.5°F (25.3°C) and min 57.7°F (14.3°C). June's arrival coincides with a temperature rise, moving from May's refreshing 66.6°F (19.2°C) to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July is a tropical summer month in Coalwood, Montana, with an average temperature varying between 86.7°F (30.4°C) and 65.8°F (18.8°C). In Coalwood, the month of July registers the highest temperatures, averaging 86.7°F (30.4°C) at the peak and 65.8°F (18.8°C) at the lowest. July's average heat index is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Coalwood, Montana, with an average temperature fluctuating between 84.7°F (29.3°C) and 64.8°F (18.2°C). August's onset records a minor alteration in the average high-temperature to a moderately hot 84.7°F (29.3°C) from July's 86.7°F (30.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Coalwood, Montana, with an average temperature ranging between max 74.3°F (23.5°C) and min 56.3°F (13.5°C). With the onset of September, Coalwood experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 84.7°F (29.3°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Coalwood, Montana, with an average temperature fluctuating between 56.5°F (13.6°C) and 41.5°F (5.3°C). The onset of October marks a clear decrease in the average high-temperature, dropping from a warm 74.3°F (23.5°C) in September to a refreshing 56.5°F (13.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Coalwood, is also an icy month, with an average temperature ranging between min 28.2°F (-2.1°C) and max 42.3°F (5.7°C). November brings a minor decrease, with the average high-temperature reducing from a mild 56.5°F (13.6°C) in October to a cold 42.3°F (5.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Coalwood, Montana, with an average temperature ranging between min 16.3°F (-8.7°C) and max 28.9°F (-1.7°C). Coalwood observes a minor decrease in the average high-temperature with the arrival of December, falling from November's icy 42.3°F (5.7°C) to a subzero cold 28.9°F (-1.7°C). Weather in December »
Updated: Jul 27, 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 coldest time of year?
Coalwood experiences its lowest temperatures in January, with an average peak of 28.8°F (-1.8°C) and a low of 15.1°F (-9.4°C).
What is the most humid month in Coalwood?
With an average relative humidity of 83%, January is the most humid month.
How much does it rain?
In Coalwood, during the entire year, the rain falls for 83.1 days and collects up to 6.81" (173mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Coalwood, during the entire year, snow falls for 43.4 days and aggregates up to 9.13" (232mm) of snow.
What is the month with the least sunshine?
January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine.
When is the lowest UV index in Coalwood?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 9.2 days and typically aggregates up to 2.2" (56mm) of snow.
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 wettest month?
May is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.1" (28mm) of precipitation.
When it does not snow?
In Coalwood, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 42min of daylight.
What are the warmest months?
Temperature records mark July as the warmest month, with highs averaging 86.7°F (30.4°C) and lows at 65.8°F (18.8°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 11.8h 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 7.
What is the least humid month?
The least humid month is August, with an average relative humidity of 39%.
What is the driest month?
November and December are months with the least rain in Coalwood when the rain falls for 4.2 days and typically aggregates up to 0.28" (7mm) of rain.
What is the month with the shortest days?
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
Coalwood, MT
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (28.8°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure
Coalwood, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.13"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Coalwood, MT
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.7mph - Average wind speed in April:
11.2mph - Average wind speed in May:
10.6mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
9.5mph - Average wind speed in August:
9.3mph - Average wind speed in September:
9.8mph - Average wind speed in October:
10.5mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are February and August (9.3mph).
Average humidity
Coalwood, MT
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Coalwood, MT
- Average rainfall in January:
0.31" - Average rainfall in February:
0.35" - Average rainfall in March:
0.39" - Average rainfall in April:
0.91" - Average rainfall in May:
1.1" - Average rainfall in June:
0.87"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.63" - Average rainfall in September:
0.51" - Average rainfall in October:
0.39" - Average rainfall in November:
0.28" - Average rainfall in December:
0.28"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are November and December (0.28").
Average rainfall days
Coalwood, MT
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
8.9 days
- Average rainfall days in July:
9.4 days - Average rainfall days in August:
8.3 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
6 days - Average rainfall days in November:
4.2 days - Average rainfall days in December:
2.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is December (2.6 days).
Average snowfall
Coalwood, MT
- Average snowfall in January:
1.97" - Average snowfall in February:
2.2" - Average snowfall in March:
1.18" - Average snowfall in April:
0.83" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Coalwood, MT
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.3 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:
0.1 days - Average snowfall days in October:
1.1 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
9.2 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Coalwood, MT
- Average daylight in January:
9h and 1min - 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 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - 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 3min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
7h and 2min - Average sunshine in April:
9h and 1min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 3min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days
Coalwood, MT
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
16.5 days - Average sunshine days in May:
16.8 days - Average sunshine days in June:
18.4 days
- Average sunshine days in July:
18.1 days - Average sunshine days in August:
18.5 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
22 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is April (16.5 days).
Average UV index
Coalwood, MT
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Coalwood, MT
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility
Coalwood, MT
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Coalwood, Montana, USA
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