Climate and monthly weather forecastCowiche, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Cowiche, Washington, with an average temperature varying between 25.5°F (-3.6°C) and 36.1°F (2.3°C). Cowiche, Washington, notes an average high-temperature of a still wintry 36.1°F (2.3°C) in January, hardly diverging from December. Weather in January »Weather in February
February, the last month of the winter in Cowiche, is also a wintry month, with an average temperature varying between 28°F (-2.2°C) and 40.6°F (4.8°C). As January transitions into February, the average high-temperature rests at a still icy 40.6°F (4.8°C), maintaining a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Cowiche, Washington, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 33.4°F (0.8°C). March sees a marginal temperature increase, moving from a cold 40.6°F (4.8°C) in February to a chilly 48.6°F (9.2°C). Weather in March »Weather in April
April is a mild spring month in Cowiche, Washington, with an average temperature ranging between min 38.7°F (3.7°C) and max 57.4°F (14.1°C). The beginning of April signals a minor rise in the average high-temperature, moving from a chilly 48.6°F (9.2°C) in March to a moderate 57.4°F (14.1°C). Weather in April »Weather in May
May, the last month of the spring in Cowiche, is an enjoyable month, with an average temperature ranging between min 46.2°F (7.9°C) and max 67.8°F (19.9°C). May witnesses an increase in the average high-temperature, moving from 57.4°F (14.1°C) in April to a still refreshing 67.8°F (19.9°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Cowiche, Washington, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 51.3°F (10.7°C). Cowiche's weather shows a minor temperature rise with the arrival of June, moving from an enjoyable 67.8°F (19.9°C) in May to a warm 74.8°F (23.8°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Cowiche, Washington, with an average temperature fluctuating between 84.7°F (29.3°C) and 57.7°F (14.3°C). July brings a temperature change, with average high-temperatures moving from June's warm 74.8°F (23.8°C) to a still moderately hot 84.7°F (29.3°C). Weather in July »Weather in August
August, the last month of the summer in Cowiche, is another warm month, with an average temperature varying between 85.1°F (29.5°C) and 58.8°F (14.9°C). Cowiche's August weather, with an average high temperature of 85.1°F (29.5°C) and an average low temperature of 58.8°F (14.9°C), tends to be the warmest of the year. August's average heat index is calculated to be 84.2°F (29°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Cowiche, Washington, with an average temperature fluctuating between 74.1°F (23.4°C) and 51.8°F (11°C). Cowiche's September weather comes with a decrease in average high-temperatures, moving from 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, the same as September, in Cowiche, Washington, is another mild autumn month, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 41.7°F (5.4°C). The onset of October marks a clear decrease in the average high-temperature, dropping from a moderately hot 74.1°F (23.4°C) in September to a refreshing 59.2°F (15.1°C). Weather in October »Weather in November
November, the last month of the autumn in Cowiche, is another chilly month, with an average temperature fluctuating between 45.5°F (7.5°C) and 32°F (0°C). A subtle decrease in the average high-temperature marks November, falling from October's mild 59.2°F (15.1°C) to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
December, the first month of the winter in Cowiche, is also a wintry month, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 36°F (2.2°C). In Cowiche, December records the lowest average temperatures, peaking at 36°F (2.2°C) and reaching a low of 23.9°F (-4.5°C). Weather in December »Updated: Aug 31, 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
With an average relative humidity of 83%, January is the most humid month in Cowiche.
Throughout the year, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.
January through April, September, November and December are months with snowfall.
In Cowiche, during the entire year, snow falls for 19.9 days and aggregates up to 8.62" (219mm) of snow.
The month with the least sunshine is January, with an average of 5.5h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cowiche, Washington, 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.
May through August and October are months without snowfall in Cowiche.
June has the longest days of the year, with an average of 15h and 48min of daylight.
The months with the lowest humidity are July and August, with an average relative humidity of 41%.
The month with the least rainfall is July, when the rain falls for 2.3 days and typically collects 0.08" (2mm) of precipitation.
July and August, with an average of 12.1h of sunshine, are months with the most sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
August temperatures tend to peak at an average high of 85.1°F (29.5°C) and dip to a low of 58.8°F (14.9°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).
The month with the most rainfall is December, when the rain falls for 9.2 days and typically aggregates up to 0.87" (22mm) of precipitation.
The month with the most snowfall in Cowiche is December, when snow falls for 5.7 days and typically aggregates up to 3.07" (78mm) of snow.
December has the shortest days of the year, with an average of 8h and 36min of daylight.
Average temperature
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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
Cowiche, 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).
