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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 in Joliet, Montana, is a cold winter month, with an average temperature fluctuating between 18.7°F (-7.4°C) and 32°F (0°C). The arrival of January denotes a barely perceptible change in the average high-temperatures to an icy 32°F (0°C) from December's 30.7°F (-0.7°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Joliet, Montana, with an average temperature ranging between min 16.7°F (-8.5°C) and max 32.4°F (0.2°C). Joliet records a slight change with February's average high-temperatures adjusting to a still cold 32.4°F (0.2°C) from January's 32°F (0°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Joliet, Montana, with an average temperature fluctuating between 43.5°F (6.4°C) and 27.5°F (-2.5°C). March brings a temperature increase, with average high-temperatures moving from February's cold 32.4°F (0.2°C) to a frosty 43.5°F (6.4°C). Weather in March »
Weather in April
April in Joliet, Montana, is a fresh spring month, with an average temperature ranging between max 51.3°F (10.7°C) and min 33.3°F (0.7°C). April showcases a minor temperature ascent, adjusting from March's chilly 43.5°F (6.4°C) to a fresh 51.3°F (10.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Joliet, Montana, with an average temperature fluctuating between 41.4°F (5.2°C) and 61°F (16.1°C). Joliet's transition into May is marked by a temperature shift, moving from a fresh 51.3°F (10.7°C) in April to a refreshing 61°F (16.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Joliet, Montana, with an average temperature ranging between min 49.6°F (9.8°C) and max 72.7°F (22.6°C). The start of June is characterized by an increase in the average high-temperature, transitioning from a comfortable 61°F (16.1°C) in May to an agreeable 72.7°F (22.6°C). Weather in June »
Weather in July
July is a moderately hot summer month in Joliet, Montana, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 57.2°F (14°C). The warmest time of the year is July, with temperatures averaging a high of 82.9°F (28.3°C) and a low of 57.2°F (14°C). The average heat index in July is calculated to be 82.4°F (28°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Joliet, Montana, with an average temperature varying between 81.1°F (27.3°C) and 57.2°F (14°C). August denotes a minimal variation in the average high-temperature to a still moderately hot 81.1°F (27.3°C) from July's 82.9°F (28.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Joliet, Montana, with an average temperature varying between 50.2°F (10.1°C) and 72°F (22.2°C). The onset of September coincides with a reduction in the average high-temperature, falling from a moderately hot 81.1°F (27.3°C) in August to an agreeable 72°F (22.2°C). Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Joliet, Montana, with an average temperature fluctuating between 55.2°F (12.9°C) and 37.9°F (3.3°C). October is characterized by a clear drop in the average high-temperature, falling from September's agreeable 72°F (22.2°C) to a cool 55.2°F (12.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Joliet, Montana, with an average temperature fluctuating between 26.8°F (-2.9°C) and 41.9°F (5.5°C). The shift from October to November involves a decrease in the average high-temperature, from a fresh 55.2°F (12.9°C) to a cold 41.9°F (5.5°C). Weather in November »
Weather in December
December, the first month of the winter in Joliet, is still a freezing cold month, with temperature in the range of an average high of 30.7°F (-0.7°C) and an average low of 17.4°F (-8.1°C). Joliet's temperature records reveal December as the coldest month, marked by average highs of 30.7°F (-0.7°C) and lows of 17.4°F (-8.1°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Joliet?
January is the most humid month in Joliet, with an average relative humidity of 76%.
What is the driest month in Joliet?
The month with the least rainfall is January, when the rain falls for 6 days and typically collects 0.51" (13mm) of precipitation.
How many days does it rain in Joliet?
Throughout the year, in Joliet, there are 108.1 rainfall days, and 12.83" (326mm) of precipitation is accumulated.
When does it snow in Joliet?
Months with snowfall are January through June, September through December.
How many days does it snow in Joliet?
In Joliet, during the entire year, snow falls for 61.5 days and aggregates up to 41.77" (1061mm) of snow.
What are the months with the lowest UV index in Joliet?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
When does it snow the most in Joliet?
The month with the most snowfall is February, when snow falls for 10.8 days and typically aggregates up to 6.81" (173mm) of snow.
What is the month with the least sunshine in Joliet?
With an average of 6.2h of sunshine, February has the least sunshine of the year in Joliet.
When is Daylight Saving Time (DST) in Joliet?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Joliet, 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 in Joliet?
The month with the most rainfall in Joliet is May, when the rain falls for 16.3 days and typically aggregates up to 2.09" (53mm) of precipitation.
When are the longest days in Joliet?
With an average of 15h and 36min of daylight, June has the longest days of the year.
What is the warmest month in Joliet?
July is the month when Joliet sees the average highest temperatures, with a high of 82.9°F (28.3°C) and a low of 57.2°F (14°C).
When it does not snow in Joliet?
July and August are months without snowfall in Joliet.
What month has the most sunshine in Joliet?
The month with the most sunshine is July, with an average of 11.9h of sunshine.
When is the highest UV index in Joliet?
July is the month with the highest UV index in Joliet, with an average maximum UV index of 6.
What is the least humid month in Joliet?
August is the least humid month in Joliet, Montana, with an average relative humidity of 41%.
What month is the coldest in Joliet?
Joliet's December weather reaches an average high of 30.7°F (-0.7°C) and an average low of 17.4°F (-8.1°C), making it the coldest month.
What is the month with the shortest days in Joliet?
The month with the shortest days in Joliet, Montana, is December, with an average of 8h and 48min of daylight.
Average temperature
Joliet, MT
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30.7°F).
The months with the highest average low temperature are July and August (57.2°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure
Joliet, MT
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.15"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Joliet, MT
- Average wind speed in January:
8.7mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.7mph - Average wind speed in April:
7.9mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Joliet, MT
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).
Average rainfall
Joliet, MT
- Average rainfall in January:
0.51" - Average rainfall in February:
0.87" - Average rainfall in March:
1.1" - Average rainfall in April:
1.73" - Average rainfall in May:
2.09" - Average rainfall in June:
1.61"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.75" - Average rainfall in September:
0.79" - Average rainfall in October:
1.1" - Average rainfall in November:
0.83" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days
Joliet, MT
- Average rainfall days in January:
6 days - Average rainfall days in February:
4 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
13 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
12.1 days
- Average rainfall days in July:
9.4 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
6.9 days - Average rainfall days in October:
8 days - Average rainfall days in November:
6.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).
Average snowfall
Joliet, MT
- Average snowfall in January:
3.58" - Average snowfall in February:
6.81" - Average snowfall in March:
5.91" - Average snowfall in April:
6.18" - Average snowfall in May:
2.83" - Average snowfall in June:
0.12"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days
Joliet, MT
- Average snowfall days in January:
9.9 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
8.5 days - Average snowfall days in April:
6.6 days - Average snowfall days in May:
2.4 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.8 days - Average snowfall days in October:
4.6 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Joliet, 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 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 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:
6h and 2min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 2min - Average sunshine in April:
10h and 1min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days
Joliet, MT
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index
Joliet, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Joliet, MT
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Joliet, 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).
Joliet, Montana, USA
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