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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Duvall, Washington, is a frosty winter month, with an average temperature varying between 33.3°F (0.7°C) and 43.2°F (6.2°C). The onset of January brings an average high-temperature of a chilly 43.2°F (6.2°C), nearly matching the December temperature. Weather in January »
Weather in February
February, the last month of the winter in Duvall, is another chilly month, with an average temperature ranging between max 44.2°F (6.8°C) and min 32.4°F (0.2°C). February's advent denotes a minor fluctuation in the average high-temperature to a still frosty 44.2°F (6.8°C) from January's 43.2°F (6.2°C). Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Duvall, Washington, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 48.7°F (9.3°C). As March unfolds, the average high-temperature reaches a still chilly 48.7°F (9.3°C), hinting at a slight fluctuation from the previous month. Weather in March »
Weather in April
April in Duvall, Washington, is a fresh spring month, with an average temperature ranging between min 37°F (2.8°C) and max 54.7°F (12.6°C). As April arrives, Duvall's weather shows a minor increase in high-temperatures, edging from March's frosty 48.7°F (9.3°C) to a fresh 54.7°F (12.6°C). Weather in April »
Weather in May
May, the last month of the spring in Duvall, is a refreshing month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 63.3°F (17.4°C). Duvall's transition into May is noticed by a slight rise in the average high-temperature, advancing from a fresh 54.7°F (12.6°C) in April to a comfortable 63.3°F (17.4°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Duvall, Washington, with an average temperature fluctuating between 44.8°F (7.1°C) and 68.2°F (20.1°C). Duvall experiences an average high-temperature of a pleasant 68.2°F (20.1°C) in June, subtly different from May's 63.3°F (17.4°C). Weather in June »
Weather in July
July is a moderately hot summer month in Duvall, Washington, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 75°F (23.9°C). July introduces a minor temperature shift, with average high-temperatures adjusting from June's agreeable 68.2°F (20.1°C) to a warm 75°F (23.9°C). Weather in July »
Weather in August
August, the last month of the summer in Duvall, is also a moderately hot month, with an average temperature ranging between max 75.7°F (24.3°C) and min 50.2°F (10.1°C). Duvall's warmest weather arrives in August, when temperatures average a high of 75.7°F (24.3°C) and a low of 50.2°F (10.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Duvall, Washington, with an average temperature ranging between min 47.3°F (8.5°C) and max 68.9°F (20.5°C). The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 75.7°F (24.3°C) to a pleasant 68.9°F (20.5°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Duvall, Washington, with an average temperature varying between 57.6°F (14.2°C) and 42.6°F (5.9°C). With October's arrival, Duvall sees a decrease in average high-temperatures, moving from a pleasant 68.9°F (20.5°C) in September to a mild 57.6°F (14.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Duvall, is another chilly month, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 47.3°F (8.5°C). A subtle decrease in the average high-temperature marks November, falling from October's moderate 57.6°F (14.2°C) to a chilly 47.3°F (8.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Duvall, Washington, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 32.2°F (0.1°C). The lowest temperatures are recorded in December, with averages reaching a high of 41.4°F (5.2°C) and a low of 32.2°F (0.1°C). Weather in December »
Updated: Aug 24, 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
What are the most humid months?
The months with the highest humidity in Duvall are January, February and December, with an average relative humidity of 86%.
How much does it rain?
In Duvall, during the entire year, the rain falls for 137.3 days and collects up to 16.65" (423mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
Throughout the year, there are 8.4 snowfall days, and 3.5" (89mm) of snow is accumulated.
What are the months with the lowest UV index in Duvall?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 2.7 days and typically aggregates up to 1.46" (37mm) of snow.
When is Daylight Saving Time (DST) in Duvall?
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.
When it does not snow?
In Duvall, snow does not fall in May through October.
When are the longest days?
With an average of 15h and 54min of daylight, June has the longest days of the year.
What is the least humid month?
The least humid month is July, with an average relative humidity of 71%.
What is the driest month?
The months with the least rainfall are July and August Rain falls for 5.8 days and accumulates 0.31" (8mm) of rain.
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 5.
What time of the year is the hottest in Duvall?
August is the warmest month, exhibiting average temperatures of 75.7°F (24.3°C) at the peak and 50.2°F (10.1°C) at the base.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.6h of sunshine.
What month is the coldest?
In Duvall, December registers the lowest temperatures, averaging 41.4°F (5.2°C) at the peak and 32.2°F (0.1°C) at the lowest.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 14.1 days and accumulates 2.6" (66mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 30min of daylight.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 3.9h of sunshine.
Average temperature
Duvall, WA
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure
Duvall, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"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:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.04"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
Duvall, WA
- Average wind speed in January:
5mph - Average wind speed in February:
4.4mph - Average wind speed in March:
4.7mph - Average wind speed in April:
4mph - Average wind speed in May:
3.7mph - Average wind speed in June:
3.5mph
- Average wind speed in July:
3.4mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.5mph - Average wind speed in October:
4mph - Average wind speed in November:
4.6mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity
Duvall, WA
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Duvall, WA
- Average rainfall in January:
2.4" - Average rainfall in February:
1.85" - Average rainfall in March:
1.73" - Average rainfall in April:
1.38" - Average rainfall in May:
0.94" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.31" - Average rainfall in September:
0.87" - Average rainfall in October:
1.69" - Average rainfall in November:
1.81" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is December (2.6").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days
Duvall, WA
- Average rainfall days in January:
14.4 days - Average rainfall days in February:
12.5 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
10.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
4.8 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
12 days - Average rainfall days in November:
14.3 days - Average rainfall days in December:
14.1 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (4.8 days).
Average snowfall
Duvall, WA
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Duvall, WA
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.4 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Duvall, WA
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
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 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days
Duvall, WA
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
17.1 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
23.1 days - Average sunshine days in August:
24.1 days - Average sunshine days in September:
19.5 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (12.6 days).
Average UV index
Duvall, 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
Duvall, WA
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Duvall, WA
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Duvall, Washington, USA
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