Climate Insights for DuPont

Pierce County, Washington, United States

Hottest
August
25°C peak
Coldest
February
3°C low
Wettest
December
213mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in DuPont is temperate. The average annual temperature is 11°C and approximately 1363mm of precipitation falls per year. December is the wettest month, receiving around 213mm of rainfall. DuPont is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to 3°C. Light snow can occur between January and December.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 8° Average: 5° Min: 3° Feb Max: 9° Average: 5° Min: 3° Mar Max: 12° Average: 7° Min: 4° Apr Max: 15° Average: 10° Min: 6° May Max: 19° Average: 13° Min: 9° Jun Max: 22° Average: 16° Min: 11° Jul Max: 25° Average: 19° Min: 13° Aug Max: 25° Average: 19° Min: 13° Sep Max: 21° Average: 15° Min: 11° Oct Max: 16° Average: 11° Min: 8° Nov Max: 10° Average: 7° Min: 5° Dec Max: 7° Average: 5° Min: 3°
Max
Average
Min

Temperatures in DuPont vary considerably across the year, with a 22°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 19°C. February is the coolest month, with minimum temperatures around 3°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 202mm Snow: 6mm Feb Precipitation: 157mm Snow: 15mm Mar Precipitation: 136mm Snow: 4mm Apr Precipitation: 111mm Snow: 2mm May Precipitation: 62mm Snow: 0mm Jun Precipitation: 52mm Snow: 0mm Jul Precipitation: 10mm Snow: 0mm Aug Precipitation: 18mm Snow: 0mm Sep Precipitation: 64mm Snow: 0mm Oct Precipitation: 139mm Snow: 0mm Nov Precipitation: 200mm Snow: 2mm Dec Precipitation: 213mm Snow: 9mm
Precipitation
Snow

DuPont is a fairly wet location, receiving approximately 1363mm of precipitation annually, which averages out to around 114mm per month. The wettest month is December, averaging 213mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 10mm. That's 203mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 38cm annually. February is the snowiest month with approximately 15cm.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 15km/h Feb Wind Speed: 15km/h Mar Wind Speed: 14km/h Apr Wind Speed: 15km/h May Wind Speed: 13km/h Jun Wind Speed: 13km/h Jul Wind Speed: 12km/h Aug Wind Speed: 12km/h Sep Wind Speed: 12km/h Oct Wind Speed: 14km/h Nov Wind Speed: 15km/h Dec Wind Speed: 15km/h
Wind Speed

DuPont is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 14km/h in spring, 12km/h in summer, 13km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Summer

It is currently spring in DuPont, which began on March 20, 2026. DuPont is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 25°C, while the coldest stretch bottoms out in February near 3°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

Spring

Temperatures range from 4 to 19°C. Rainfall is heavy, totalling around 309mm across the season with a monthly average of 103mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 11 to 25°C. Rainfall is relatively light, with around 79mm over the season and a monthly average of 26mm. Winds are generally light, averaging 12km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 5 to 21°C. Rainfall is heavy, totalling around 403mm across the season with a monthly average of 134mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 3 to 9°C. Rainfall is heavy, totalling around 571mm across the season with a monthly average of 190mm. Expect around 30cm of snow accumulation during this period. Winds are generally light, averaging 15km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar
Apr 10°
May 13°
Jun 16°
Jul 19°
Aug 19°
Sep 15°
Oct 11°
Nov
Dec

The best time to visit DuPont is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 36mm per month. By contrast, February can be quite cold with temperatures dropping to 3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for DuPont based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
3 °C
8 °C
15 km/h
202 mm
6 cm
Feb
3 °C
9 °C
15 km/h
157 mm
15 cm
Mar Current
4 °C
12 °C
14 km/h
136 mm
4 cm
Apr
6 °C
15 °C
15 km/h
111 mm
2 cm
May
9 °C
19 °C
13 km/h
62 mm
0 cm
Jun
11 °C
22 °C
13 km/h
52 mm
0 cm
Jul
13 °C
25 °C
12 km/h
10 mm
0 cm
Aug
13 °C
25 °C
12 km/h
18 mm
0 cm
Sep
11 °C
21 °C
12 km/h
64 mm
0 cm
Oct
8 °C
16 °C
14 km/h
139 mm
0 cm
Nov
5 °C
10 °C
15 km/h
200 mm
2 cm
Dec
3 °C
7 °C
15 km/h
213 mm
9 cm
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