Climate and monthly weather forecastSelah, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Selah, Washington, is another cold winter month, with an average temperature varying between 25.5°F (-3.6°C) and 36.1°F (2.3°C). Upon the onset of January, Selah witnesses an average high-temperature of a still cold 36.1°F (2.3°C), showing a close resemblance to the prior month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Selah, Washington, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 28°F (-2.2°C). February is marked by an average high-temperature of a still wintry 40.6°F (4.8°C), almost identical to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Selah, Washington, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 48.6°F (9.2°C). The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's icy 40.6°F (4.8°C) to a chilly 48.6°F (9.2°C). Weather in March »Weather in April
April is a moderate spring month in Selah, Washington, with an average temperature varying between 38.7°F (3.7°C) and 57.4°F (14.1°C). April's arrival brings a modest temperature shift, moving from a frosty 48.6°F (9.2°C) in March to a moderate 57.4°F (14.1°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Selah, Washington, with an average temperature fluctuating between 67.8°F (19.9°C) and 46.2°F (7.9°C). The rise of average high-temperatures is seen in May, with an increase from a refreshing 57.4°F (14.1°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »Weather in June
June, the first month of the summer in Selah, is a warm month, with an average temperature varying between 74.8°F (23.8°C) and 51.3°F (10.7°C). June's onset witnesses a minor shift in the average high-temperature, moving from an enjoyable 67.8°F (19.9°C) in May to a moderately hot 74.8°F (23.8°C). Weather in June »Weather in July
July, like June, in Selah, Washington, is another warm summer month, with an average temperature fluctuating between 57.7°F (14.3°C) and 84.7°F (29.3°C). With the arrival of July, the average high-temperature transitions from 74.8°F (23.8°C) in June to a still moderately hot 84.7°F (29.3°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Selah, Washington, with an average temperature fluctuating between 58.8°F (14.9°C) and 85.1°F (29.5°C). August, characterized by an average high temperature of 85.1°F (29.5°C) and a low temperature of 58.8°F (14.9°C), is generally the warmest month. During August, the heat index is estimated at 84.2°F (29°C). Weather in August »Weather in September
September, the first month of the autumn in Selah, is still a warm month, with an average temperature ranging between max 74.1°F (23.4°C) and min 51.8°F (11°C). The start of September involves a temperature drop, moving from a warm 85.1°F (29.5°C) in August to a still moderately hot 74.1°F (23.4°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Selah, Washington, with an average temperature varying between 41.7°F (5.4°C) and 59.2°F (15.1°C). Selah experiences a clear temperature downturn in October, with average high-temperatures moving from a moderately hot 74.1°F (23.4°C) in September to a mild 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Selah, is also a frosty month, with an average temperature ranging between min 32°F (0°C) and max 45.5°F (7.5°C). In Selah, the average high-temperature in November drops from a refreshing 59.2°F (15.1°C) in October to a frosty 45.5°F (7.5°C). Weather in November »Weather in December
December, the first month of the winter in Selah, is also an icy month, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 23.9°F (-4.5°C). December proves to be the coldest month, recording an average maximum temperature of 36°F (2.2°C) and a minimum temperature of 23.9°F (-4.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Selah, 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 (36°F).
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure
Selah, WA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed
Selah, WA
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.9mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
6.8mph - Average wind speed in September:
6.1mph - Average wind speed in October:
5.2mph - Average wind speed in November:
4.9mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity
Selah, WA
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall
Selah, WA
- Average rainfall in January:
0.83" - Average rainfall in February:
0.59" - Average rainfall in March:
0.75" - Average rainfall in April:
0.35" - Average rainfall in May:
0.67" - Average rainfall in June:
0.28"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.2" - Average rainfall in September:
0.28" - Average rainfall in October:
0.55" - Average rainfall in November:
0.51" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
Selah, WA
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
8 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
9 days - Average rainfall days in May:
7.5 days - Average rainfall days in June:
5 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2.6 days - Average rainfall days in September:
4.8 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall
Selah, WA
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Selah, WA
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
2.8 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
5.7 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Selah, 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 6min - 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 36min
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 36min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
6h and 12min - Average sunshine in March:
8h and 30min - Average sunshine in April:
11h and 0min - Average sunshine in May:
11h and 24min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 6min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 42min - Average sunshine in December:
5h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days
Selah, WA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
23.3 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
23.2 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index
Selah, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Selah, WA
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility
Selah, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





