Climate and monthly weather forecastBighorn, MT
Climate and monthly weather forecast
Weather in January
January, the same as December, in Bighorn, Montana, is a freezing cold winter month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 17.4°F (-8.1°C). Lowest temperatures are observed in January and December, averaging a high-temperature of 30.9°F (-0.6°C). Weather in January »Weather in February
February, the last month of the winter in Bighorn, is a cold month, with temperature in the range of an average high of 32°F (0°C) and an average low of 17.8°F (-7.9°C). The shift from January to February is characterized by an average high-temperature of an icy 32°F (0°C), not significantly different from the 30.9°F (-0.6°C) of January. Weather in February »Weather in March
March, the first month of the spring in Bighorn, is a frosty month, with an average temperature varying between 45.3°F (7.4°C) and 29.3°F (-1.5°C). The shift from February to March is marked by an increase in the average high-temperature, moving from a cold 32°F (0°C) to a frosty 45.3°F (7.4°C). Weather in March »Weather in April
April in Bighorn, Montana, is a fresh spring month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 55.2°F (12.9°C). Bighorn in April sees a temperature change, with average high-temperatures moving from a chilly 45.3°F (7.4°C) in March to a cool 55.2°F (12.9°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Bighorn, Montana, with an average temperature ranging between min 46.2°F (7.9°C) and max 65.8°F (18.8°C). May indicates a change in the average high-temperature, moving up from a fresh 55.2°F (12.9°C) in April to a refreshing 65.8°F (18.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Bighorn, Montana, with temperature in the range of an average high of 77°F (25°C) and an average low of 55.6°F (13.1°C). June's arrival brings a change in high-temperatures, moving from an enjoyable 65.8°F (18.8°C) in May to a moderately hot 77°F (25°C). Weather in June »Weather in July
July in Bighorn, Montana, is a hot summer month, with an average temperature varying between 86.5°F (30.3°C) and 64.2°F (17.9°C). Temperature records mark July as the warmest month, with highs averaging 86.5°F (30.3°C) and lows at 64.2°F (17.9°C). July's average heat index is appraised at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Bighorn, Montana, with an average temperature fluctuating between 84.6°F (29.2°C) and 63.1°F (17.3°C). Shifting into August, Bighorn records an average high-temperature of a moderately hot 84.6°F (29.2°C), presenting minor fluctuations compared to the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Bighorn, Montana, with an average temperature varying between 54.9°F (12.7°C) and 74.5°F (23.6°C). The onset of September entails a temperature shift, as the average high-temperature decreases from 84.6°F (29.2°C) in August to a still warm 74.5°F (23.6°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Bighorn, Montana, with an average temperature ranging between max 57.2°F (14°C) and min 41.4°F (5.2°C). October's arrival signals a distinct temperature shift, dropping from a moderately hot 74.5°F (23.6°C) in September to a refreshing 57.2°F (14°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Bighorn, Montana, with an average temperature fluctuating between 43.7°F (6.5°C) and 29.1°F (-1.6°C). The shift from October to November involves a decrease in the average high-temperature, from a mild 57.2°F (14°C) to a frosty 43.7°F (6.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Bighorn, Montana, with an average temperature varying between 18.3°F (-7.6°C) and 30.9°F (-0.6°C). During January and December, Bighorn experiences its coldest period, with an average high-temperature of 30.9°F (-0.6°C). Weather in December »Updated: Feb 13, 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
Bighorn's coldest season falls during January and December, averaging a high-temperature of 30.9°F (-0.6°C).
With an average relative humidity of 79%, January is the most humid month in Bighorn, Montana.
The months with the least rainfall in Bighorn, Montana, are January, November and December Rain falls for 4.2 days and accumulates 0.47" (12mm) of rain.
Throughout the year, there are 99.5 rainfall days, and 11.06" (281mm) of precipitation is accumulated.
Months with snowfall are January through May, September through December.
Throughout the year, in Bighorn, there are 47 snowfall days, and 15.83" (402mm) of snow is accumulated.
The month with the most snowfall is February, when snow falls for 10.3 days and typically aggregates up to 3.74" (95mm) of snow.
February and December, with an average of 5.3h of sunshine, are months with the least sunshine.
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.
May is the month with the most rainfall in Bighorn. Rain falls for 13.7 days and accumulates 1.81" (46mm) of precipitation.
June through August are months without snowfall in Bighorn, Montana.
With an average of 15h and 42min of daylight, June has the longest days of the year in Bighorn, Montana.
Bighorn's warmest month, July, generally records average temperatures ranging from a high of 86.5°F (30.3°C) to a low of 64.2°F (17.9°C).
With an average of 11.8h of sunshine, July has the most sunshine of the year in Bighorn, Montana.
The month with the highest UV index in Bighorn, Montana, is July, with an average maximum UV index of 7.
The least humid month in Bighorn is August, with an average relative humidity of 38%.
With an average of 8h and 42min of daylight, December has the shortest days of the year in Bighorn, Montana.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Bighorn, MT
The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (30.9°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Bighorn, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.84"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed
Bighorn, MT
- Average wind speed in January:
9.8mph - Average wind speed in February:
8.9mph - Average wind speed in March:
9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
10mph - Average wind speed in June:
9.2mph
- Average wind speed in July:
8.2mph - Average wind speed in August:
8.3mph - Average wind speed in September:
8.8mph - Average wind speed in October:
9.7mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity
Bighorn, MT
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall
Bighorn, MT
- Average rainfall in January:
0.47" - Average rainfall in February:
0.59" - Average rainfall in March:
0.67" - Average rainfall in April:
1.26" - Average rainfall in May:
1.81" - Average rainfall in June:
1.42"
- Average rainfall in July:
0.87" - Average rainfall in August:
0.98" - Average rainfall in September:
1.26" - Average rainfall in October:
0.79" - Average rainfall in November:
0.47" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (1.81").
The driest months (with the least rainfall) are January, November and December (0.47").
Average rainfall days
Bighorn, MT
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Bighorn, MT
- Average snowfall in January:
2.52" - Average snowfall in February:
3.74" - Average snowfall in March:
2.05" - Average snowfall in April:
2.2" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Bighorn, MT
- Average snowfall days in January:
9.5 days - Average snowfall days in February:
10.3 days - Average snowfall days in March:
6 days - Average snowfall days in April:
4.1 days - Average snowfall days in May:
0.4 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:
2 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
9.4 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Bighorn, MT
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
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 24min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 24min - Average sunshine in April:
9h and 12min - Average sunshine in May:
10h and 6min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 24min - Average sunshine in October:
6h and 24min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days
Bighorn, MT
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
16 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
19.7 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is April (14.2 days).
Average UV index
Bighorn, MT
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Bighorn, MT
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Bighorn, 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).
