Climate and monthly weather forecastKapowsin, WA
Climate and monthly weather forecast
Weather in January
January is a chilly winter month in Kapowsin, Washington, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 43°F (6.1°C). During January, Kapowsin observes a subtle ascent to a chilly 43°F (6.1°C) from December's 41.2°F (5.1°C) in the average high-temperature. Weather in January »Weather in February
February, the last month of the winter in Kapowsin, is also a frosty month, with an average temperature ranging between max 43.3°F (6.3°C) and min 31.6°F (-0.2°C). February's beginning signals an average high-temperature of a still frosty 43.3°F (6.3°C), barely different from January's 43°F (6.1°C). Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Kapowsin, Washington, with an average temperature ranging between min 33.4°F (0.8°C) and max 48°F (8.9°C). The commencement of March brings an average high-temperature of a still chilly 48°F (8.9°C), marking an inconsequential divergence from February. Weather in March »Weather in April
April in Kapowsin, Washington, is a cool spring month, with an average temperature fluctuating between 36.3°F (2.4°C) and 53.2°F (11.8°C). April's weather displays an average high-temperature of a fresh 53.2°F (11.8°C), slightly varied from March's 48°F (8.9°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Kapowsin, Washington, with an average temperature fluctuating between 62.1°F (16.7°C) and 40.6°F (4.8°C). May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's cool 53.2°F (11.8°C) to a comfortable 62.1°F (16.7°C). Weather in May »Weather in June
The first month of the summer, June, is still a comfortable month in Kapowsin, Washington, with an average temperature fluctuating between 66.7°F (19.3°C) and 43.9°F (6.6°C). The shift into June reveals an average high-temperature of a still refreshing 66.7°F (19.3°C), closely mirroring May's climate. Weather in June »Weather in July
July is a warm summer month in Kapowsin, Washington, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 74.8°F (23.8°C). Kapowsin perceives a slight temperature ascent during July, with average high-temperatures adjusting from a refreshing 66.7°F (19.3°C) in June to a moderately hot 74.8°F (23.8°C). Weather in July »Weather in August
August, the last month of the summer in Kapowsin, is another warm month, with an average temperature fluctuating between 75°F (23.9°C) and 49.5°F (9.7°C). Kapowsin experiences its highest average temperatures in August, reaching a peak of 75°F (23.9°C) and a minimum of 49.5°F (9.7°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Kapowsin, Washington, with an average temperature varying between 46°F (7.8°C) and 68.2°F (20.1°C). The transition to September results in a modest reduction in average high-temperature, moving from a warm 75°F (23.9°C) in August to a pleasant 68.2°F (20.1°C). Weather in September »Weather in October
October, the same as September, in Kapowsin, Washington, is a moderate autumn month, with an average temperature fluctuating between 41.5°F (5.3°C) and 57.6°F (14.2°C). The onset of October comes with a shift in the average high-temperature, falling from an agreeable 68.2°F (20.1°C) in September to a mild 57.6°F (14.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Kapowsin, Washington, with an average temperature ranging between max 47.3°F (8.5°C) and min 36.3°F (2.4°C). The move into November indicates a reduction in the average high-temperature, down from October's moderate 57.6°F (14.2°C) to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Kapowsin, Washington, with an average temperature fluctuating between 41.2°F (5.1°C) and 31.1°F (-0.5°C). December, noted for its average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 31.1°F (-0.5°C), is considered the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Kapowsin, WA
The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°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 (31.1°F).
Average pressure
Kapowsin, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
30.02"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:
30.04"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed
Kapowsin, WA
- Average wind speed in January:
5mph - Average wind speed in February:
4.7mph - Average wind speed in March:
4.8mph - Average wind speed in April:
4.3mph - Average wind speed in May:
3.9mph - Average wind speed in June:
3.9mph
- Average wind speed in July:
3.8mph - Average wind speed in August:
3.6mph - Average wind speed in September:
3.8mph - Average wind speed in October:
4.2mph - Average wind speed in November:
4.8mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity
Kapowsin, WA
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Kapowsin, WA
- Average rainfall in January:
5.63" - Average rainfall in February:
3.78" - Average rainfall in March:
4.06" - Average rainfall in April:
3.03" - Average rainfall in May:
2.24" - Average rainfall in June:
1.57"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.59" - Average rainfall in September:
1.93" - Average rainfall in October:
4.25" - Average rainfall in November:
4.61" - Average rainfall in December:
5.71"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Kapowsin, WA
- Average rainfall days in January:
18.3 days - Average rainfall days in February:
16.8 days - Average rainfall days in March:
20.2 days - Average rainfall days in April:
19.4 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
7 days - Average rainfall days in August:
6.1 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
16.4 days - Average rainfall days in November:
19.5 days - Average rainfall days in December:
18.6 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).
Average snowfall
Kapowsin, WA
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Kapowsin, WA
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
6 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
1.4 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight / Average sunshine
Kapowsin, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - 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 12min - 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:
4h and 12min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 30min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days
Kapowsin, WA
- Average sunshine days in January:
10.8 days - Average sunshine days in February:
8 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
8.6 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
22.3 days - Average sunshine days in August:
22.9 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
9.2 days - Average sunshine days in December:
10.6 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).
Average UV index
Kapowsin, WA
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Kapowsin, WA
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Kapowsin, WA
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).





