Climate and monthly weather forecastAsotin, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Asotin, Washington, with temperature in the range of an average high of 37.4°F (3°C) and an average low of 26.6°F (-3°C). Asotin's weather in January indicates an average high-temperature of a still wintry 37.4°F (3°C), nearly consistent with the 35.8°F (2.1°C) of December. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Asotin, Washington, with an average temperature ranging between max 40.6°F (4.8°C) and min 28.8°F (-1.8°C). The transition into February notes an average high-temperature of a still cold 40.6°F (4.8°C), revealing a mild distinction from the 37.4°F (3°C) in January. Weather in February »Weather in March
March, the first month of the spring in Asotin, is a chilly month, with an average temperature varying between 32.9°F (0.5°C) and 48°F (8.9°C). As March sets, the average high-temperature shows a slight increase, moving up from a cold 40.6°F (4.8°C) in February to a chilly 48°F (8.9°C). Weather in March »Weather in April
April in Asotin, Washington, is a moderate spring month, with an average temperature varying between 36.9°F (2.7°C) and 56.3°F (13.5°C). April's onset is marked by a subtle temperature increase, moving from a frosty 48°F (8.9°C) in March to a refreshing 56.3°F (13.5°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Asotin, Washington, with an average temperature ranging between max 64.9°F (18.3°C) and min 42.3°F (5.7°C). The beginning of May marks a minor shift in the average high-temperature, moving from April's refreshing 56.3°F (13.5°C) to an enjoyable 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Asotin, is a pleasant month, with an average temperature ranging between max 72°F (22.2°C) and min 47.8°F (8.8°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from an enjoyable 64.9°F (18.3°C) to an agreeable 72°F (22.2°C). Weather in June »Weather in July
July in Asotin, Washington, is a warm summer month, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 56.1°F (13.4°C). In Asotin, the onset of July comes with an increased average high-temperature, moving from June's pleasant 72°F (22.2°C) to a warm 84°F (28.9°C). Weather in July »Weather in August
August, the last month of the summer in Asotin, is also a moderately hot month, with an average temperature fluctuating between 85.1°F (29.5°C) and 59.2°F (15.1°C). In Asotin, the month of August registers the highest temperatures, averaging 85.1°F (29.5°C) at the peak and 59.2°F (15.1°C) at the lowest. Weather in August »Weather in September
September, the first month of the autumn in Asotin, is still a warm month, with an average temperature ranging between min 52.5°F (11.4°C) and max 75.2°F (24°C). September brings a minor decrease, with the average high-temperature reducing from a moderately hot 85.1°F (29.5°C) in August to a still warm 75.2°F (24°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Asotin, Washington, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 42.4°F (5.8°C). The arrival of October signals a clear decrease in the average high-temperature, falling from a moderately hot 75.2°F (24°C) in September to a mild 59.5°F (15.3°C). Weather in October »Weather in November
November, the last month of the autumn in Asotin, is another chilly month, with an average temperature fluctuating between 45.7°F (7.6°C) and 32.9°F (0.5°C). November brings a minor decrease, with the average high-temperature reducing from a refreshing 59.5°F (15.3°C) in October to a frosty 45.7°F (7.6°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Asotin, Washington, with an average temperature varying between 35.8°F (2.1°C) and 24.3°F (-4.3°C). The coldest month is December, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 24.3°F (-4.3°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Asotin, WA
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (35.8°F).
The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure
Asotin, WA
- Average pressure in January:
30.2"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.18"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed
Asotin, WA
- Average wind speed in January:
5.1mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.7mph - Average wind speed in May:
4.7mph - Average wind speed in June:
4.6mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.2mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.1mph - Average wind speed in December:
5mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity
Asotin, WA
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (39%).
Average rainfall
Asotin, WA
- Average rainfall in January:
0.79" - Average rainfall in February:
0.83" - Average rainfall in March:
1.06" - Average rainfall in April:
1.02" - Average rainfall in May:
1.3" - Average rainfall in June:
1.02"
- Average rainfall in July:
0.39" - Average rainfall in August:
0.31" - Average rainfall in September:
0.35" - Average rainfall in October:
0.63" - Average rainfall in November:
0.59" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days
Asotin, WA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
13 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
11 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
4.7 days - Average rainfall days in September:
5.3 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (4.7 days).
Average snowfall
Asotin, WA
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Asotin, WA
- Average snowfall days in January:
4 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is December (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Asotin, WA
- 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 42min
- 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 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 12min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 12min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 24min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days
Asotin, WA
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
15.9 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
23.5 days - Average sunshine days in August:
23.2 days - Average sunshine days in September:
23.5 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18.3 days
The months with the most sunshine days are July and September (23.5 days).
The months with the least sunshine days are February and April (13.8 days).
Average UV index
Asotin, WA
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Asotin, WA
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 12).
Average visibility
Asotin, WA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





