Climate and monthly weather forecastDuPont, WA
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in DuPont, Washington, with an average temperature fluctuating between 34.7°F (1.5°C) and 45.5°F (7.5°C). The advent of January presents an average high-temperature of a still frosty 45.5°F (7.5°C), maintaining a close correlation with the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in DuPont, Washington, with an average temperature ranging between max 46.4°F (8°C) and min 34°F (1.1°C). With February's arrival, DuPont's weather records an average high-temperature of a still chilly 46.4°F (8°C), marking little difference from January's 45.5°F (7.5°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in DuPont, Washington, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 36.3°F (2.4°C). March's climate shows a minor adjustment in average high-temperatures to a fresh 51.4°F (10.8°C) from February's 46.4°F (8°C). Weather in March »Weather in April
April is a refreshing spring month in DuPont, Washington, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 57°F (13.9°C). April brings a slight rise in DuPont's average high-temperature, moving from a fresh 51.4°F (10.8°C) in March to a moderate 57°F (13.9°C). Weather in April »Weather in May
May, the last month of the spring in DuPont, is a comfortable month, with an average temperature ranging between min 43.2°F (6.2°C) and max 65.8°F (18.8°C). May brings a slight elevation in the average high-temperature, transitioning from April's refreshing 57°F (13.9°C) to a comfortable 65.8°F (18.8°C). Weather in May »Weather in June
June, the first month of the summer in DuPont, is a pleasant month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 70.2°F (21.2°C). The advent of June denotes an average high-temperature of a pleasant 70.2°F (21.2°C), subtly different from May's 65.8°F (18.8°C). Weather in June »Weather in July
July in DuPont, Washington, is a moderately hot summer month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 77.5°F (25.3°C). The onset of July marks a slight increase in the average high-temperature, moving from a pleasant 70.2°F (21.2°C) in June to a warm 77.5°F (25.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in DuPont, Washington, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 52.2°F (11.2°C). In DuPont, August is the month with the highest recorded average temperatures, measuring a high of 78.4°F (25.8°C) and a low of 52.2°F (11.2°C). Weather in August »Weather in September
September, the first month of the autumn in DuPont, is also an agreeable month, with an average temperature ranging between min 48.9°F (9.4°C) and max 70.7°F (21.5°C). The arrival of September corresponds with a light shift in temperature, down from a moderately hot 78.4°F (25.8°C) in August to an agreeable 70.7°F (21.5°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in DuPont, Washington, with temperature in the range of an average high of 58.8°F (14.9°C) and an average low of 43.3°F (6.3°C). October weather is marked by a drop in the average high-temperature, falling from a pleasant 70.7°F (21.5°C) in September to a refreshing 58.8°F (14.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in DuPont, Washington, with an average temperature ranging between min 38.3°F (3.5°C) and max 49.6°F (9.8°C). In DuPont, entering November brings a temperature decrement, reducing from October's refreshing 58.8°F (14.9°C) to a chilly 49.6°F (9.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in DuPont, Washington, with an average temperature ranging between min 34.2°F (1.2°C) and max 43.5°F (6.4°C). In DuPont, December is the month with the lowest recorded average temperatures, measuring a high of 43.5°F (6.4°C) and a low of 34.2°F (1.2°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
January is the most humid month in DuPont, with an average relative humidity of 88%.
Throughout the year, there are 174.2 rainfall days, and 31.06" (789mm) of precipitation is accumulated.
Months with snowfall in DuPont are January through April, November and December.
In DuPont, during the entire year, snow falls for 7.9 days and aggregates up to 4.45" (113mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall. Snow falls for 2.8 days and accumulates 1.73" (44mm) 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.
In DuPont, snow does not fall in May through October.
June has the longest days of the year, with an average of 15h and 48min of daylight.
July is the least humid month, with an average relative humidity of 69%.
The month with the least rainfall is July, when the rain falls for 6 days and typically collects 0.35" (9mm) of precipitation.
July is the month with the highest UV index, with an average maximum UV index of 6.
DuPont's August weather, marked by an average high temperature of 78.4°F (25.8°C) and an average low temperature of 52.2°F (11.2°C), is the warmest in the year.
With an average of 10.6h of sunshine, August has the most sunshine of the year in DuPont.
The coldest period in DuPont, Washington, is December, when temperatures fluctuate between an average high of 43.5°F (6.4°C) and a low of 34.2°F (1.2°C).
The month with the most rainfall is December, when the rain falls for 18.6 days and typically aggregates up to 4.96" (126mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 36min of daylight.
December has the least sunshine of the year, with an average of 3.9h of sunshine.
Average temperature
DuPont, WA
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is February (34°F).
Average pressure
DuPont, WA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.04"Hg - Average pressure in August:
30.01"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:
30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed
DuPont, WA
- Average wind speed in January:
4.8mph - Average wind speed in February:
4.8mph - Average wind speed in March:
5mph - Average wind speed in April:
4.7mph - Average wind speed in May:
4.2mph - Average wind speed in June:
4.2mph
- Average wind speed in July:
3.9mph - Average wind speed in August:
3.7mph - Average wind speed in September:
3.9mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.9mph - Average wind speed in December:
4.5mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity
DuPont, WA
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (69%).
Average rainfall
DuPont, WA
- Average rainfall in January:
4.61" - Average rainfall in February:
2.83" - Average rainfall in March:
3.07" - Average rainfall in April:
2.36" - Average rainfall in May:
1.69" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.51" - Average rainfall in September:
1.65" - Average rainfall in October:
3.78" - Average rainfall in November:
4.09" - Average rainfall in December:
4.96"
The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
DuPont, WA
- Average rainfall days in January:
18 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
19.7 days - Average rainfall days in April:
17.8 days - Average rainfall days in May:
13.4 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
6 days - Average rainfall days in August:
5.2 days - Average rainfall days in September:
12 days - Average rainfall days in October:
15.9 days - Average rainfall days in November:
19.1 days - Average rainfall days in December:
18.6 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (5.2 days).
Average snowfall
DuPont, WA
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
DuPont, WA
- Average snowfall days in January:
1.6 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.4 days - Average snowfall days in April:
0.2 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:
1.4 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
DuPont, 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 30min - 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 6min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 24min - Average sunshine in December:
3h and 54min
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
DuPont, WA
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.4 days - Average sunshine days in March:
9.3 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
16 days - Average sunshine days in June:
16 days
- Average sunshine days in July:
22.5 days - Average sunshine days in August:
22.9 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
13 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
10.1 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is November (9.1 days).
Average UV index
DuPont, 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
DuPont, WA
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
DuPont, WA
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
