Climate and monthly weather forecastEast Selah, WA
Climate and monthly weather forecast
Weather in January
January, like December, in East Selah, Washington, is another cold winter month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 36.1°F (2.3°C). The dawn of January sees an average high-temperature of a still cold 36.1°F (2.3°C), subtly contrasting with December's 36°F (2.2°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in East Selah, Washington, with an average temperature varying between 40.6°F (4.8°C) and 28°F (-2.2°C). The beginning of February reveals an average high-temperature of a still icy 40.6°F (4.8°C), showing minimal deviation from the previous month. Weather in February »Weather in March
March, the first month of the spring in East Selah, is a frosty month, with an average temperature fluctuating between 33.4°F (0.8°C) and 48.6°F (9.2°C). The arrival of March introduces a minor uplift in high-temperatures, adjusting from an icy 40.6°F (4.8°C) in February to a frosty 48.6°F (9.2°C). Weather in March »Weather in April
April in East Selah, Washington, is a refreshing spring month, with an average temperature varying between 38.7°F (3.7°C) and 57.4°F (14.1°C). The start of April brings a subtle rise in the average high-temperature, moving from a chilly 48.6°F (9.2°C) in March to a refreshing 57.4°F (14.1°C). Weather in April »Weather in May
May, the last month of the spring in East Selah, is a refreshing month, with an average temperature varying between 46.2°F (7.9°C) and 67.8°F (19.9°C). In May, the average high-temperature increases from a moderate 57.4°F (14.1°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in East Selah, Washington, with an average temperature ranging between max 74.8°F (23.8°C) and min 51.3°F (10.7°C). June brings a slight increase in the average high-temperature, progressing from a comfortable 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, the same as June, is another warm summer month in East Selah, Washington, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 57.7°F (14.3°C). With the onset of July, East Selah's average high-temperature experiences a rise, moving from June's moderately hot 74.8°F (23.8°C) to a still warm 84.7°F (29.3°C). Weather in July »Weather in August
August, the last month of the summer in East Selah, is also a moderately hot month, with an average temperature ranging between max 85.1°F (29.5°C) and min 58.8°F (14.9°C). The month of August sees the highest average temperatures, reaching 85.1°F (29.5°C) at the peak and 58.8°F (14.9°C) at the low. August's average heat index is appraised at 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in East Selah, Washington, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 51.8°F (11°C). A subtle decrease in the average high-temperature marks September, falling from August's moderately hot 85.1°F (29.5°C) to a still warm 74.1°F (23.4°C). Weather in September »Weather in October
October, the same as September, in East Selah, Washington, is another mild autumn month, with an average temperature fluctuating between 41.7°F (5.4°C) and 59.2°F (15.1°C). In October, the average high-temperature decreases considerably from a warm 74.1°F (23.4°C) in September to a moderate 59.2°F (15.1°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in East Selah, Washington, with an average temperature fluctuating between 45.5°F (7.5°C) and 32°F (0°C). With the onset of November, East Selah experiences a modest temperature adjustment, with the average high-temperature receding from a moderate 59.2°F (15.1°C) in October to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in East Selah, Washington, 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). In East Selah, the lowest temperatures are generally noted in December, averaging a high of 36°F (2.2°C) and a low 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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
East 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).





