Climate and monthly weather forecastWinston, MT
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Winston, Montana, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 14.5°F (-9.7°C). Upon the onset of January, Winston witnesses an average high-temperature of a still subzero cold 28.9°F (-1.7°C), showing a close resemblance to the prior month. Weather in January »Weather in February
February, the last month of the winter in Winston, is another freezing cold month, with an average temperature varying between 29.3°F (-1.5°C) and 14.4°F (-9.8°C). The shift into February finds Winston at an average high-temperature of a still subzero cold 29.3°F (-1.5°C), closely comparable to January's conditions. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Winston, Montana, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 22.6°F (-5.2°C). In Winston, the average high-temperature in March rises, from a freezing cold 29.3°F (-1.5°C) in February, to a cold 39.7°F (4.3°C). Weather in March »Weather in April
April is a frosty spring month in Winston, Montana, with an average temperature ranging between max 48.7°F (9.3°C) and min 28.8°F (-1.8°C). In Winston, the onset of April comes with an increased average high-temperature, moving from March's cold 39.7°F (4.3°C) to a frosty 48.7°F (9.3°C). Weather in April »Weather in May
May, the last month of the spring in Winston, is a moderate month, with an average temperature ranging between max 60.4°F (15.8°C) and min 36.9°F (2.7°C). May's arrival sees a rise in the average high-temperature, jumping from April's frosty 48.7°F (9.3°C) to a refreshing 60.4°F (15.8°C). Weather in May »Weather in June
June, the first month of the summer in Winston, is an agreeable month, with an average temperature fluctuating between 43.3°F (6.3°C) and 70.7°F (21.5°C). June's onset witnesses a shift in the average high-temperature, moving from a moderate 60.4°F (15.8°C) in May to an agreeable 70.7°F (21.5°C). Weather in June »Weather in July
July is a warm summer month in Winston, Montana, with an average temperature fluctuating between 81.3°F (27.4°C) and 49.3°F (9.6°C). The warmest time of the year is July, with temperatures averaging a high of 81.3°F (27.4°C) and a low of 49.3°F (9.6°C). July's mean heat index is evaluated at 82.4°F (28°C). Weather in July »Weather in August
August, the last month of the summer in Winston, is another warm month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 79°F (26.1°C). The average high-temperature during August is a still warm 79°F (26.1°C), almost matching the conditions of the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Winston, is also an agreeable month, with an average temperature ranging between max 68.5°F (20.3°C) and min 43.3°F (6.3°C). Welcoming September, Winston observes a shift in the average high-temperature, falling from August's moderately hot 79°F (26.1°C) to an agreeable 68.5°F (20.3°C). Weather in September »Weather in October
October, like September, in Winston, Montana, is another fresh autumn month, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 51.6°F (10.9°C). The onset of October brings a distinct decrease in the average high-temperature, receding from a pleasant 68.5°F (20.3°C) in September to a fresh 51.6°F (10.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Winston, Montana, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 21.7°F (-5.7°C). Winston's transition into November involves a shift in temperature, receding from a cool 51.6°F (10.9°C) in October to an icy 37.6°F (3.1°C). Weather in November »Weather in December
December, the first month of the winter in Winston, is still a freezing cold month, with an average temperature fluctuating between 27.1°F (-2.7°C) and 13.1°F (-10.5°C). December, marked by an average high-temperature of 27.1°F (-2.7°C) and a low-temperature of 13.1°F (-10.5°C), is the coldest month. 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
January is the most humid month in Winston, with an average relative humidity of 86%.
Throughout the year, in Winston, there are 117.5 rainfall days, and 10.24" (260mm) of precipitation is accumulated.
Months with snowfall in Winston are January through May, September through December.
Throughout the year, in Winston, there are 72.8 snowfall days, and 26.22" (666mm) of snow is accumulated.
The month with the least sunshine in Winston, Montana, is January, with an average of 5.5h of sunshine.
February is the month with the most snowfall in Winston. Snow falls for 15.4 days and accumulates 5.71" (145mm) of snow.
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Winston, Montana.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Winston, Montana, 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.
June is the month with the most rainfall in Winston, Montana. Rain falls for 13.5 days and accumulates 1.65" (42mm) of precipitation.
June through August are months without snowfall.
With an average of 15h and 48min of daylight, June has the longest days of the year in Winston, Montana.
July, with average temperatures reaching a high of 81.3°F (27.4°C) and a low of 49.3°F (9.6°C), is the warmest month.
July has the most sunshine of the year in Winston, Montana, with an average of 11.7h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index in Winston.
With an average relative humidity of 46%, August is the least humid month.
December proves to be the coldest month in Winston, recording an average maximum temperature of 27.1°F (-2.7°C) and a minimum temperature of 13.1°F (-10.5°C).
The month with the least rainfall is December, when the rain falls for 6.3 days and typically collects 0.51" (13mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 42min of daylight.
Average temperature
Winston, MT
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (27.1°F).
The months with the highest average low temperature are July and August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure
Winston, MT
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.17"Hg
The months with the highest atmospheric pressure are January and December (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Winston, MT
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.1mph - Average wind speed in March:
6.1mph - Average wind speed in April:
6.3mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.9mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity
Winston, MT
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall
Winston, MT
- Average rainfall in January:
0.59" - Average rainfall in February:
0.79" - Average rainfall in March:
0.91" - Average rainfall in April:
1.14" - Average rainfall in May:
1.14" - Average rainfall in June:
1.65"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.63" - Average rainfall in September:
0.79" - Average rainfall in October:
0.71" - Average rainfall in November:
0.67" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is June (1.65").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days
Winston, MT
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
8.8 days - Average rainfall days in August:
7.5 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is April (14.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall
Winston, MT
- Average snowfall in January:
4.13" - Average snowfall in February:
5.71" - Average snowfall in March:
3.35" - Average snowfall in April:
2.48" - Average snowfall in May:
0.55" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Winston, MT
- Average snowfall days in January:
13 days - Average snowfall days in February:
15.4 days - Average snowfall days in March:
10.4 days - Average snowfall days in April:
6.8 days - Average snowfall days in May:
1.5 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:
0.4 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
8.7 days - Average snowfall days in December:
13.1 days
The month with the highest number of snowfall days is February (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Winston, 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 48min
- Average daylight in July:
15h and 24min - 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 24min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 48min - Average sunshine in March:
7h and 54min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 30min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Winston, MT
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
19.3 days - Average sunshine days in August:
19.6 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is April (10.5 days).
Average UV index
Winston, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Winston, MT
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Winston, MT
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
