Climate and monthly weather forecastMaple Valley, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Maple Valley, Washington, is a wintry winter month, with an average temperature fluctuating between 32.7°F (0.4°C) and 42.4°F (5.8°C). Maple Valley's shift from December to January is accompanied by an average high-temperature of a still icy 42.4°F (5.8°C), a slight deviation from 40.8°F (4.9°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Maple Valley, Washington, with an average temperature ranging between min 31.6°F (-0.2°C) and max 43.3°F (6.3°C). February commences with an average high-temperature of a frosty 43.3°F (6.3°C), showing little deviation from January's 42.4°F (5.8°C). Weather in February »Weather in March
March, the first month of the spring in Maple Valley, is still a chilly month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 47.8°F (8.8°C). The advent of March sees the average high-temperature at a still frosty 47.8°F (8.8°C), subtly shifted from February's 43.3°F (6.3°C). Weather in March »Weather in April
April is a fresh spring month in Maple Valley, Washington, with an average temperature varying between 36.7°F (2.6°C) and 53.2°F (11.8°C). The beginning of April signals a minor rise in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a cool 53.2°F (11.8°C). Weather in April »Weather in May
May, the last month of the spring in Maple Valley, is a refreshing month, with an average temperature ranging between min 41.4°F (5.2°C) and max 62.2°F (16.8°C). Maple Valley sees an increase in average high-temperatures during May, moving from a cool 53.2°F (11.8°C) in April to an enjoyable 62.2°F (16.8°C). Weather in May »Weather in June
The first month of the summer, June, is also an enjoyable month in Maple Valley, Washington, with an average temperature varying between 67.1°F (19.5°C) and 44.2°F (6.8°C). Maple Valley's average high-temperature in June is a still enjoyable 67.1°F (19.5°C), marking an insignificant difference from the 62.2°F (16.8°C) of May. Weather in June »Weather in July
July is a warm summer month in Maple Valley, Washington, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 48.7°F (9.3°C). Maple Valley in July experiences a slight uptick in the average high-temperature, adjusting from June's comfortable 67.1°F (19.5°C) to a warm 74.7°F (23.7°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Maple Valley, Washington, with an average temperature fluctuating between 50.2°F (10.1°C) and 75.4°F (24.1°C). The average temperatures reach their apex in August, averaging 75.4°F (24.1°C) at the high end and 50.2°F (10.1°C) at the low end. Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Maple Valley, Washington, with an average temperature varying between 47.3°F (8.5°C) and 68.4°F (20.2°C). With the commencement of September, Maple Valley records a moderate temperature decline, with the average high easing from August's warm 75.4°F (24.1°C) to a pleasant 68.4°F (20.2°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Maple Valley, Washington, with an average temperature fluctuating between 57.2°F (14°C) and 41.9°F (5.5°C). With October's arrival, Maple Valley's weather changes as the average high-temperature falls from an agreeable 68.4°F (20.2°C) in September to a moderate 57.2°F (14°C). Weather in October »Weather in November
November, the last month of the autumn in Maple Valley, is another chilly month, with an average temperature fluctuating between 46.8°F (8.2°C) and 36.3°F (2.4°C). With the onset of November, Maple Valley's average high-temperature adjusts, receding from October's mild 57.2°F (14°C) to a frosty 46.8°F (8.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Maple Valley, Washington, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 32°F (0°C). In Maple Valley, the lowest temperatures are generally noted in December, averaging a high of 40.8°F (4.9°C) and a low of 32°F (0°C). Weather in December »Updated: Jul 20, 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
January and February, with an average relative humidity of 86%, are most humid months.
Throughout the year, there are 182.4 rainfall days, and 36.77" (934mm) of precipitation is accumulated.
January through April, November and December are months with snowfall.
Throughout the year, there are 19.7 snowfall days, and 11.5" (292mm) of snow is accumulated.
January and December, with an average of 4.1h of sunshine, are months with the least sunshine.
The month with the most snowfall is February, when snow falls for 6 days and typically aggregates up to 4.17" (106mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 October are months without snowfall.
June has the longest days of the year, with an average of 15h and 54min of daylight.
July is the least humid month, with an average relative humidity of 70%.
July is the month with the least rainfall. Rain falls for 7.9 days and accumulates 0.59" (15mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 5.
August is the month when Maple Valley sees the average highest temperatures, with a high of 75.4°F (24.1°C) and a low of 50.2°F (10.1°C).
With an average of 10.7h of sunshine, August has the most sunshine of the year in Maple Valley, Washington.
November is the month with the lowest UV index, with an average maximum UV index of 1.
Temperature readings reach their annual highs in December, averaging 40.8°F (4.9°C) and a minimum average of 32°F (0°C).
The month with the most rainfall is December, when the rain falls for 18.7 days and typically aggregates up to 5.43" (138mm) of precipitation.
With an average of 8h and 30min of daylight, December has the shortest days of the year.
Average temperature
Maple Valley, WA
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (40.8°F).
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (31.6°F).
Average pressure
Maple Valley, WA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30"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 (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed
Maple Valley, WA
- Average wind speed in January:
5.2mph - Average wind speed in February:
4.8mph - Average wind speed in March:
4.7mph - Average wind speed in April:
4.2mph - Average wind speed in May:
3.8mph - Average wind speed in June:
3.7mph
- Average wind speed in July:
3.6mph - Average wind speed in August:
3.5mph - Average wind speed in September:
3.7mph - 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 (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity
Maple Valley, WA
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Maple Valley, WA
- Average rainfall in January:
5.31" - Average rainfall in February:
3.9" - Average rainfall in March:
4.17" - Average rainfall in April:
2.95" - Average rainfall in May:
1.97" - Average rainfall in June:
1.57"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.71" - Average rainfall in September:
1.73" - Average rainfall in October:
3.9" - Average rainfall in November:
4.53" - Average rainfall in December:
5.43"
The wettest month (with the highest rainfall) is December (5.43").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days
Maple Valley, WA
- Average rainfall days in January:
18.2 days - Average rainfall days in February:
16.5 days - Average rainfall days in March:
20.5 days - Average rainfall days in April:
18.5 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
13.5 days
- Average rainfall days in July:
7.9 days - Average rainfall days in August:
6.7 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
19.1 days - Average rainfall days in December:
18.7 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall
Maple Valley, WA
The month with the highest snowfall is February (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Maple Valley, WA
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
1.1 days - Average snowfall days in May:
0.1 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:
3.9 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
Maple Valley, 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 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 30min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 24min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days
Maple Valley, WA
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
21.5 days - Average sunshine days in August:
22 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
10.3 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.4 days).
Average UV index
Maple Valley, WA
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Maple Valley, 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
Maple Valley, WA
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
