Climate and monthly weather forecastWinston, OR
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Winston, Oregon, with an average temperature ranging between min 33.8°F (1°C) and max 48.7°F (9.3°C). In January, Winston experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 46.2°F (7.9°C) in December to a still frosty 48.7°F (9.3°C). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Winston, Oregon, with an average temperature fluctuating between 33.4°F (0.8°C) and 49.8°F (9.9°C). Winston records an average high-temperature of a still chilly 49.8°F (9.9°C) in February, maintaining a close correlation with January's 48.7°F (9.3°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Winston, Oregon, with an average temperature fluctuating between 53.1°F (11.7°C) and 34.2°F (1.2°C). March notes an average high-temperature of a fresh 53.1°F (11.7°C), subtly differing from February's 49.8°F (9.9°C). Weather in March »Weather in April
April is a mild spring month in Winston, Oregon, with an average temperature varying between 35.2°F (1.8°C) and 57.6°F (14.2°C). Winston's weather, upon April's arrival, documents an average high-temperature of a mild 57.6°F (14.2°C), nearly identical to the prior month. Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Winston, Oregon, with an average temperature varying between 65.3°F (18.5°C) and 38.7°F (3.7°C). The shift into May is characterized by a subtle rise in the average high-temperature, transitioning from April's moderate 57.6°F (14.2°C) to an enjoyable 65.3°F (18.5°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Winston, Oregon, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 71.2°F (21.8°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's enjoyable 65.3°F (18.5°C) to an agreeable 71.2°F (21.8°C). Weather in June »Weather in July
July is a warm summer month in Winston, Oregon, with an average temperature varying between 79.7°F (26.5°C) and 46.9°F (8.3°C). The beginning of July signals a minor rise in the average high-temperature, moving from a pleasant 71.2°F (21.8°C) in June to a moderately hot 79.7°F (26.5°C). Weather in July »Weather in August
August, the last month of the summer in Winston, is also a moderately hot month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 47.5°F (8.6°C). Temperature records mark August as the warmest month, with highs averaging 81°F (27.2°C) and lows at 47.5°F (8.6°C). For most parts of August, the heat index is computed to be 84.2°F (29°C). Weather in August »Weather in September
September, the first month of the autumn in Winston, is still a warm month, with an average temperature ranging between min 44.4°F (6.9°C) and max 74.8°F (23.8°C). September is characterized by a mild reduction in the average high-temperature, from a moderately hot 81°F (27.2°C) in August to a still warm 74.8°F (23.8°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Winston, Oregon, with an average temperature fluctuating between 64.2°F (17.9°C) and 40.8°F (4.9°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a warm 74.8°F (23.8°C) in September to an enjoyable 64.2°F (17.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Winston, Oregon, with an average temperature fluctuating between 37.2°F (2.9°C) and 53.4°F (11.9°C). Winston, Oregon, in November undergoes a mild reduction in the average high-temperature, shifting from October's refreshing 64.2°F (17.9°C) to a cool 53.4°F (11.9°C). Weather in November »Weather in December
December, the first month of the winter in Winston, is still a chilly month, with an average temperature varying between 46.2°F (7.9°C) and 32.9°F (0.5°C). Winston's coldest weather arrives in December, when temperatures average a high of 46.2°F (7.9°C) and a low of 32.9°F (0.5°C). Weather in December »Updated: Jul 31, 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
In Winston, during the entire year, the rain falls for 148.4 days and collects up to 25" (635mm) of precipitation.
January through March, November and December are months with snowfall.
Throughout the year, there are 4.7 snowfall days, and 3.03" (77mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February and December, with an average relative humidity of 87%, are most humid months.
February is the month with the most snowfall. Snow falls for 1.8 days and accumulates 1.26" (32mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
In Winston, snow does not fall in April through October.
With an average of 15h and 18min of daylight, June has the longest days of the year in Winston.
July and August, with an average relative humidity of 71%, are the least humid months.
The months with the most sunshine are July and August, with an average of 11h of sunshine.
With an average maximum UV index of 6, July is the month with the highest UV index.
The warmest period tends to be August, when average temperatures fluctuate between a high of 81°F (27.2°C) and a low of 47.5°F (8.6°C).
The month with the least rainfall is August, when the rain falls for 3.7 days and typically collects 0.2" (5mm) of precipitation.
With an average high-temperature of 46.2°F (7.9°C) and an average low-temperature of 32.9°F (0.5°C), December is the coldest month.
The month with the most rainfall is December, when the rain falls for 17 days and typically aggregates up to 3.74" (95mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
With an average of 4.2h of sunshine, December has the least sunshine of the year.
Average temperature
Winston, OR
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (46.2°F).
The month with the highest average low temperature is August (47.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure
Winston, OR
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.08"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Winston, OR
- Average wind speed in January:
4mph - Average wind speed in February:
3.7mph - Average wind speed in March:
3.9mph - Average wind speed in April:
3.8mph - Average wind speed in May:
3.7mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.4mph - Average wind speed in September:
3.2mph - Average wind speed in October:
3.2mph - Average wind speed in November:
3.7mph - Average wind speed in December:
3.9mph
The windiest month (with the highest average wind speed) is January (4mph).
The calmest months (with the lowest average wind speed) are September and October (3.2mph).
Average humidity
Winston, OR
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall
Winston, OR
- Average rainfall in January:
3.5" - Average rainfall in February:
3.23" - Average rainfall in March:
3.31" - Average rainfall in April:
2.44" - Average rainfall in May:
1.85" - Average rainfall in June:
0.98"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days
Winston, OR
- Average rainfall days in January:
15.4 days - Average rainfall days in February:
16 days - Average rainfall days in March:
19.4 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
3.5 days - Average rainfall days in August:
3.7 days - Average rainfall days in September:
6.6 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
15.3 days - Average rainfall days in December:
17 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is July (3.5 days).
Average snowfall
Winston, OR
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Winston, OR
- Average snowfall days in January:
0.9 days - Average snowfall days in February:
1.8 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Winston, OR
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 30min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days
Winston, OR
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
10.7 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
11 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
17.8 days
- Average sunshine days in July:
25.7 days - Average sunshine days in August:
26.2 days - Average sunshine days in September:
21.3 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
13.1 days - Average sunshine days in December:
12.4 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index
Winston, OR
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
Winston, OR
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Winston, OR
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
