Climate and monthly weather forecastCollege Place, WA
Climate and monthly weather forecast
Weather in January
January, like December, in College Place, Washington, is another cold winter month, with an average temperature fluctuating between 38.8°F (3.8°C) and 28°F (-2.2°C). The onset of January brings with it an average high-temperature of a still wintry 38.8°F (3.8°C), showing a negligible variation from the month before. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in College Place, Washington, with an average temperature fluctuating between 42.3°F (5.7°C) and 30.6°F (-0.8°C). College Place's average high-temperature marks a still icy 42.3°F (5.7°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in College Place, Washington, with an average temperature fluctuating between 35.2°F (1.8°C) and 49.5°F (9.7°C). March introduces a marginal temperature uplift, with average high-temperatures adjusting from February's icy 42.3°F (5.7°C) to a frosty 49.5°F (9.7°C). Weather in March »Weather in April
April is a mild spring month in College Place, Washington, with an average temperature ranging between max 56.8°F (13.8°C) and min 39°F (3.9°C). April's onset brings a subtle temperature rise, moving from a chilly 49.5°F (9.7°C) in March to a refreshing 56.8°F (13.8°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in College Place, Washington, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 66.2°F (19°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from 56.8°F (13.8°C) to a still refreshing 66.2°F (19°C). Weather in May »Weather in June
June, the first month of the summer in College Place, is a moderately hot month, with an average temperature fluctuating between 51.3°F (10.7°C) and 73.6°F (23.1°C). June brings a slight elevation in the average high-temperature, transitioning from May's comfortable 66.2°F (19°C) to a moderately hot 73.6°F (23.1°C). Weather in June »Weather in July
July, like June, in College Place, Washington, is another warm summer month, with an average temperature varying between 59.2°F (15.1°C) and 84.7°F (29.3°C). In College Place, the peak average temperatures are observed in July, with a high of 84.7°F (29.3°C) and a low of 59.2°F (15.1°C). In July, the heat index is evaluated at 84.2°F (29°C). Weather in July »Weather in August
August, the last month of the summer in College Place, is also a moderately hot month, with an average temperature fluctuating between 60.8°F (16°C) and 84.6°F (29.2°C). August registers an average high-temperature of a still moderately hot 84.6°F (29.2°C), slightly varied from July's 84.7°F (29.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in College Place, Washington, with an average temperature ranging between min 53.6°F (12°C) and max 74.3°F (23.5°C). September's onset brings a reduction in the average high-temperature, from a moderately hot 84.6°F (29.2°C) in August to a still warm 74.3°F (23.5°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in College Place, Washington, with an average temperature ranging between max 59.9°F (15.5°C) and min 44.1°F (6.7°C). In College Place, stepping into October signifies a significant temperature decrement, moving down from September's moderately hot 74.3°F (23.5°C) to a refreshing 59.9°F (15.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in College Place, Washington, with an average temperature ranging between min 34.9°F (1.6°C) and max 46.9°F (8.3°C). With November's arrival, College Place sees a decrease in average high-temperatures, moving from a moderate 59.9°F (15.5°C) in October to a frosty 46.9°F (8.3°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in College Place, Washington, with an average temperature ranging between min 27°F (-2.8°C) and max 37.4°F (3°C). College Place's coldest temperatures are experienced in December, with average high temperatures of 37.4°F (3°C) and lows of 27°F (-2.8°C). Weather in December »Updated: Feb 14, 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
The most humid month is January, with an average relative humidity of 81%.
Throughout the year, in College Place, there are 141.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.
January through April, September, November and December are months with snowfall.
In College Place, Washington, during the entire year, snow falls for 21.1 days and aggregates up to 9.09" (231mm) of snow.
January has the least sunshine of the year in College Place, Washington, with an average of 5.3h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 6.1 days and typically aggregates up to 2.91" (74mm) of snow.
March is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.01" (51mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in College Place, 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 College Place.
June has the longest days of the year, with an average of 15h and 42min of daylight.
July, noted for its average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 59.2°F (15.1°C), is considered the warmest month in College Place.
July is the month with the least rainfall in College Place. Rain falls for 4.9 days and accumulates 0.35" (9mm) of precipitation.
July is the month with the highest UV index in College Place, with an average maximum UV index of 7.
With an average relative humidity of 39%, August is the least humid month.
The month with the most sunshine is August, with an average of 12.1h of sunshine.
College Place's coldest month, December, generally records average temperatures ranging from a high of 37.4°F (3°C) to a low of 27°F (-2.8°C).
December has the shortest days of the year in College Place, with an average of 8h and 42min of daylight.
Average temperature
College Place, WA
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (37.4°F).
The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure
College Place, WA
- Average pressure in January:
30.2"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed
College Place, WA
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.6mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.7mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
5.9mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).
Average humidity
College Place, WA
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall
College Place, WA
- Average rainfall in January:
1.73" - Average rainfall in February:
1.61" - Average rainfall in March:
2.01" - Average rainfall in April:
1.26" - Average rainfall in May:
1.65" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.39" - Average rainfall in September:
0.55" - Average rainfall in October:
1.18" - Average rainfall in November:
1.38" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is March (2.01").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
College Place, WA
- Average rainfall days in January:
14.3 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
17.4 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
4.9 days - Average rainfall days in August:
5.6 days - Average rainfall days in September:
7.6 days - Average rainfall days in October:
12 days - Average rainfall days in November:
13.3 days - Average rainfall days in December:
13.9 days
The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is July (4.9 days).
Average snowfall
College Place, WA
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
College Place, WA
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
6.1 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.5 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
6.1 days
The months with the highest number of snowfall days are February and December (6.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
College Place, 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 18min - 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 30min - 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 18min - Average sunshine in February:
5h and 30min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 30min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days
College Place, WA
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
10 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
12 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
17.6 days
- Average sunshine days in July:
24.4 days - Average sunshine days in August:
21.8 days - Average sunshine days in September:
20.1 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
14.4 days - Average sunshine days in December:
13.1 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (10 days).
Average UV index
College Place, 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
College Place, WA
The months with the most cloud cover are January, February and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility
College Place, WA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
