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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Stevenson, Washington, with temperature in the range of an average low of 28.9°F (-1.7°C) and an average high of 38.8°F (3.8°C). The arrival of January brings an average high-temperature of a still wintry 38.8°F (3.8°C), closely following the temperature pattern of December. Weather in January »
Weather in February
February, the last month of the winter in Stevenson, is also a wintry month, with an average temperature varying between 39.9°F (4.4°C) and 29.5°F (-1.4°C). February's average high-temperature stands at a still cold 39.9°F (4.4°C), showing little deviation from January's 38.8°F (3.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Stevenson, Washington, with an average temperature varying between 44.4°F (6.9°C) and 30.6°F (-0.8°C). The arrival of March marks a slight shift to an average high-temperature of a chilly 44.4°F (6.9°C) from February's 39.9°F (4.4°C). Weather in March »
Weather in April
April is a fresh spring month in Stevenson, Washington, with an average temperature fluctuating between 34.3°F (1.3°C) and 51.4°F (10.8°C). April's onset witnesses a minor shift in the average high-temperature, moving from a chilly 44.4°F (6.9°C) in March to a cool 51.4°F (10.8°C). Weather in April »
Weather in May
May, the last month of the spring in Stevenson, is a comfortable month, with an average temperature ranging between max 61.2°F (16.2°C) and min 39.4°F (4.1°C). Stevenson's transition into May is marked by a temperature shift, moving from a cool 51.4°F (10.8°C) in April to an enjoyable 61.2°F (16.2°C). Weather in May »
Weather in June
June, the first month of the summer in Stevenson, is still a refreshing month, with an average temperature fluctuating between 43.5°F (6.4°C) and 66.7°F (19.3°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from a refreshing 61.2°F (16.2°C) in May to a still enjoyable 66.7°F (19.3°C). Weather in June »
Weather in July
July is a moderately hot summer month in Stevenson, Washington, with an average temperature varying between 75.9°F (24.4°C) and 48°F (8.9°C). July brings a rise in Stevenson's average high-temperature, moving from a comfortable 66.7°F (19.3°C) in June to a moderately hot 75.9°F (24.4°C). Weather in July »
Weather in August
August, the last month of the summer in Stevenson, is also a moderately hot month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 49.5°F (9.7°C). Stevenson's warmest temperatures are experienced in August, with average high temperatures of 76.6°F (24.8°C) and lows of 49.5°F (9.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Stevenson, Washington, with an average temperature ranging between max 67.5°F (19.7°C) and min 46.2°F (7.9°C). In the transition to September, Stevenson observes a drop in the average high-temperature, moving from a warm 76.6°F (24.8°C) in August to an enjoyable 67.5°F (19.7°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Stevenson, Washington, with an average temperature varying between 40.6°F (4.8°C) and 55.8°F (13.2°C). October's onset corresponds with a shift in the average high-temperature, moving from a comfortable 67.5°F (19.7°C) in September to a moderate 55.8°F (13.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Stevenson, is also a frosty month, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 44.2°F (6.8°C). Stevenson's transition into November involves a shift in temperature, receding from a mild 55.8°F (13.2°C) in October to a chilly 44.2°F (6.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Stevenson, Washington, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 37.2°F (2.9°C). Stevenson's coldest month, December, registers temperatures that range from a high of 37.2°F (2.9°C) to a low of 27.7°F (-2.4°C). Weather in December »
Updated: Jul 28, 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
What is the rainiest month?
The month with the most rainfall is January, when the rain falls for 19.4 days and typically aggregates up to 7.48" (190mm) of precipitation.
How much does it rain?
In Stevenson, during the entire year, the rain falls for 181 days and collects up to 43.15" (1096mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall in Stevenson, Washington.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 2.6 days and typically aggregates up to 4.33" (110mm) of snow.
How many days does it snow?
In Stevenson, during the entire year, snow falls for 13.5 days and aggregates up to 12.95" (329mm) of snow.
When is the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
What is the most humid month?
February is the most humid month, with an average relative humidity of 89%.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 3.4h of sunshine.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 15h and 42min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What are the least humid months?
The months with the lowest humidity are July and August, with an average relative humidity of 66%.
What is the driest month?
July is the month with the least rainfall. Rain falls for 5.2 days and accumulates 0.31" (8mm) of precipitation.
What are the months with the most sunshine?
July and August, with an average of 11.1h of sunshine, are months with the most sunshine.
What is the warmest month?
August, known for its average high temperature of 76.6°F (24.8°C) and an average low temperature of 49.5°F (9.7°C), is the warmest month.
What time of the year is the coldest?
December, noted for its average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 27.7°F (-2.4°C), is considered the coldest month.
What is the month with the shortest days?
December has the shortest days of the year in Stevenson, with an average of 8h and 48min of daylight.
Average temperature
Stevenson, WA
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (37.2°F).
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).
Average pressure
Stevenson, WA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed
Stevenson, WA
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.1mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.6mph - Average wind speed in May:
4.9mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.4mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5mph - Average wind speed in November:
6mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity
Stevenson, WA
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall
Stevenson, WA
- Average rainfall in January:
7.48" - Average rainfall in February:
5.28" - Average rainfall in March:
4.92" - Average rainfall in April:
3.54" - Average rainfall in May:
2.17" - Average rainfall in June:
1.26"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.43" - Average rainfall in September:
1.69" - Average rainfall in October:
4.41" - Average rainfall in November:
4.72" - Average rainfall in December:
6.93"
The wettest month (with the highest rainfall) is January (7.48").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days
Stevenson, WA
- Average rainfall days in January:
19.4 days - Average rainfall days in February:
17.8 days - Average rainfall days in March:
21.7 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
12.2 days
- Average rainfall days in July:
5.2 days - Average rainfall days in August:
5 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
19.5 days - Average rainfall days in December:
19.9 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (5 days).
Average snowfall
Stevenson, WA
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Stevenson, WA
- Average snowfall days in January:
2.6 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.3 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:
0.8 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Stevenson, WA
- 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 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
3h and 3min - Average sunshine in February:
3h and 2min - Average sunshine in March:
4h and 4min - Average sunshine in April:
6h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 1min - Average sunshine in September:
9h and 0min - Average sunshine in October:
4h and 5min - Average sunshine in November:
3h and 5min - Average sunshine in December:
3h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days
Stevenson, WA
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
7.4 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
23.4 days - Average sunshine days in August:
24 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
8.5 days - Average sunshine days in December:
8.9 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (7.1 days).
Average UV index
Stevenson, WA
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Stevenson, WA
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Stevenson, WA
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).