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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 a freezing cold winter month in Jackson, Montana, with an average temperature fluctuating between 9.5°F (-12.5°C) and 27.3°F (-2.6°C). The commencement of January notes an average high-temperature of a still freezing cold 27.3°F (-2.6°C), exhibiting little difference from the previous month. Weather in January »
Weather in February
February, the last month of the winter in Jackson, is also a subzero cold month, with an average temperature varying between 10.8°F (-11.8°C) and 27.9°F (-2.3°C). With February's advent, Jackson sees an average high-temperature of a still freezing cold 27.9°F (-2.3°C), subtly shifted from January's 27.3°F (-2.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Jackson, Montana, with an average temperature ranging between max 34°F (1.1°C) and min 17.8°F (-7.9°C). March's arrival signals a subtle increase in average high-temperatures, moving from February's subzero cold 27.9°F (-2.3°C) to a wintry 34°F (1.1°C). Weather in March »
Weather in April
April, the same as March, is another cold spring month in Jackson, Montana, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 25°F (-3.9°C). The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's 34°F (1.1°C) to a still cold 41.9°F (5.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a fresh month in Jackson, Montana, with an average temperature fluctuating between 33.8°F (1°C) and 54.1°F (12.3°C). In Jackson, the onset of May comes with an increased average high-temperature, moving from April's icy 41.9°F (5.5°C) to a cool 54.1°F (12.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Jackson, Montana, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 64.4°F (18°C). The shift from May to June sees an increase in the average high-temperature, transitioning from a cool 54.1°F (12.3°C) to a comfortable 64.4°F (18°C). Weather in June »
Weather in July
July is a moderately hot summer month in Jackson, Montana, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 75.7°F (24.3°C). The temperatures reach their highest averages in July, with highs of 75.7°F (24.3°C) and lows of 47.3°F (8.5°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Jackson, Montana, with an average temperature ranging between min 47.5°F (8.6°C) and max 74.7°F (23.7°C). With August's advent, Jackson sees an average high-temperature of a still warm 74.7°F (23.7°C), subtly shifted from July's 75.7°F (24.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Jackson, Montana, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 40.6°F (4.8°C). With September's onset, the weather shows a temperature decrease, transitioning from a moderately hot 74.7°F (23.7°C) in August to a refreshing 65.3°F (18.5°C). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Jackson, Montana, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 30.4°F (-0.9°C). The start of October signals a clear decrease in the average high-temperature, falling from a comfortable 65.3°F (18.5°C) in September to a frosty 48.7°F (9.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Jackson, Montana, with an average temperature ranging between max 35.2°F (1.8°C) and min 19.2°F (-7.1°C). In Jackson, the average high-temperature in November decreases from a chilly 48.7°F (9.3°C) in October to an icy 35.2°F (1.8°C). Weather in November »
Weather in December
December, the first month of the winter in Jackson, is also a subzero cold month, with an average temperature fluctuating between 9.5°F (-12.5°C) and 25.2°F (-3.8°C). December, marked by an average high-temperature of 25.2°F (-3.8°C) and a low-temperature of 9.5°F (-12.5°C), is the coldest month. Weather in December »
[Resources]Frequently asked questions
How much does it rain in Jackson?
In Jackson, during the entire year, the rain falls for 129.5 days and collects up to 12.4" (315mm) of precipitation.
When does it snow in Jackson?
Months with snowfall are January through May, September through December.
How much does it snow in Jackson?
In Jackson, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) of snow.
What is the month with the least sunshine in Jackson?
January has the least sunshine of the year in Jackson, with an average of 5.1h of sunshine.
What is the month with the lowest UV index in Jackson?
The months with the lowest UV index in Jackson are January, February and December, with an average maximum UV index of 1.
What is the most humid month in Jackson?
The most humid month in Jackson, Montana, is February, with an average relative humidity of 89%.
When does it snow the most in Jackson?
The month with the most snowfall in Jackson, Montana, is February, when snow falls for 12.3 days and typically aggregates up to 5" (127mm) of snow.
When is Daylight Saving Time (DST) in Jackson?
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 in Jackson?
June is the month with the most rainfall. Rain falls for 14.9 days and accumulates 2.05" (52mm) of precipitation.
When it does not snow in Jackson?
In Jackson, Montana, snow does not fall in June through August.
When are the longest days in Jackson?
The month with the longest days is June, with an average of 15h and 36min of daylight.
What part of the year is the hottest in Jackson?
July is the warmest month of the year in Jackson, registering average temperatures as high as 75.7°F (24.3°C) and as low as 47.3°F (8.5°C).
What is the driest month in Jackson?
July and August are months with the least rain in Jackson when the rain falls for 7.8 days and typically aggregates up to 0.51" (13mm) of rain.
What month has the most sunshine in Jackson?
With an average of 11.8h of sunshine, July has the most sunshine of the year.
When is the highest UV index in Jackson?
With an average maximum UV index of 5, July is the month with the highest UV index in Jackson, Montana.
What is the least humid month in Jackson?
The least humid month in Jackson is August, with an average relative humidity of 43%.
What is the coldest month in Jackson?
The coldest month is December, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 9.5°F (-12.5°C).
What is the month with the shortest days in Jackson?
December has the shortest days of the year in Jackson, with an average of 8h and 48min of daylight.
Average temperature
Jackson, MT
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).
The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).
Average pressure
Jackson, MT
- Average pressure in January:
30.25"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.07"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.23"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Jackson, MT
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.2mph - Average wind speed in May:
4.8mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.5mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5mph - Average wind speed in December:
4.9mph
The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity
Jackson, MT
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Jackson, MT
- Average rainfall in January:
0.63" - Average rainfall in February:
0.87" - Average rainfall in March:
1.06" - Average rainfall in April:
1.61" - Average rainfall in May:
1.89" - Average rainfall in June:
2.05"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.51" - Average rainfall in September:
0.94" - Average rainfall in October:
1.1" - Average rainfall in November:
0.67" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days
Jackson, MT
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.9 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
7 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
8 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall
Jackson, MT
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Jackson, MT
- Average snowfall days in January:
9.4 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
9.7 days - Average snowfall days in April:
8.4 days - Average snowfall days in May:
1.7 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:
0.3 days - Average snowfall days in October:
3.1 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
10.4 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Jackson, 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:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - 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 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 1min
- 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:
7h 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 month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Jackson, MT
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
7.7 days - Average sunshine days in May:
8.1 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
19.4 days - Average sunshine days in August:
18.7 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
15 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).
Average UV index
Jackson, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Jackson, MT
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Jackson, 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 and December (4mi).
Jackson, Montana, USA
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