DuPont, Washington Climate
United States
Pop. 9,356 Elev. 73 m / 240 ft
TZ: America/Los_Angeles (UTC-7) ·
DuPont sees mild summers peaking at 78°F (26°C) in July, and cool winters that bottom out around 36°F (2°C) in January. Precipitation occurs on roughly 80 days per year (49.5 in / 1258 mm total), with 10 in (244 mm) of annual snowfall. The city averages 72 sunny days per year and around 30 thunderstorm days. Ocean water temperatures reach 61°F (16°C) in summer.
| Temperature | 78°F (25°C) high | 36°F (2°C) low |
| Feels like | 36°F (2°C) low | |
| Rain | 80 days | 49.5 in (1258 mm) /yr |
| Snow | 0 days | 9.6 in (244 mm) /yr |
| Sky | 72 sunny | 30 stormy |
| Wind | 2.8 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
60
Jan 73
Feb 87
Mar 57
Apr 63
May 53
Jun 42
Jul 56
Aug 54
Sep 62
Oct 86
Nov 86
Dec Humidity (%)
86
Jan 83
Feb 81
Mar 67
Apr 67
May 67
Jun 65
Jul 70
Aug 76
Sep 81
Oct 89
Nov 91
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 12 mi Tacoma Narrows Airport (TIW)
Ski resort 55 mi Crystal Mountain
National park 96 mi Discovery Island Marine Provincial Park
Mountain peak
(5,105 ft) 34 mi Poch Peak
Hospital 4 mi American Lake VA Medical Center
Hiking trail 15 mi Outside Loop Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 46°F 8°C | 36°F 2°C | 2.7 in 69 mm | 0.1 in2 mm | 8 |
| February | 46°F 8°C | 37°F 3°C | 5.7 in 145 mm | 8.5 in217 mm | 4 |
| March | 54°F 12°C | 42°F 6°C | 7.8 in 198 mm | 0.7 in17 mm | 1 |
| April | 61°F 16°C | 45°F 7°C | 3.1 in 79 mm | — | 7 |
| May | 66°F 19°C | 49°F 9°C | 1.7 in 44 mm | — | 6 |
| June | 72°F 22°C | 53°F 12°C | 0.8 in 20 mm | — | 9 |
| July | 78°F 25°C | 56°F 14°C | 0.1 in 2 mm | — | 15 |
| August | 77°F 25°C | 59°F 15°C | 1.6 in 40 mm | — | 7 |
| September | 72°F 22°C | 55°F 13°C | 1.3 in 34 mm | — | 9 |
| October | 59°F 15°C | 47°F 8°C | 5.8 in 148 mm | — | 6 |
| November | 53°F 12°C | 45°F 7°C | 7.4 in 189 mm | — | 0 |
| December | 49°F 10°C | 42°F 5°C | 11.4 in 290 mm | 0.3 in8 mm | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 8 | 0 |
| February | 4 | 4 |
| March | 1 | 5 |
| April | 7 | 2 |
| May | 6 | 1 |
| June | 9 | 1 |
| July | 15 | 0 |
| August | 7 | 0 |
| September | 9 | 1 |
| October | 6 | 6 |
| November | 0 | 4 |
| December | 0 | 6 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 48°F 9°C | 41°F 5°C |
| February | 47°F 8°C | 38°F 3°C |
| March | 48°F 9°C | 42°F 5°C |
| April | 53°F 11°C | 48°F 9°C |
| May | 55°F 13°C | 55°F 13°C |
| June | 60°F 16°C | 62°F 16°C |
| July | 60°F 16°C | 67°F 19°C |
| August | 61°F 16°C | 68°F 20°C |
| September | 61°F 16°C | 66°F 19°C |
| October | 57°F 14°C | 55°F 13°C |
| November | 52°F 11°C | 49°F 9°C |
| December | 50°F 10°C | 46°F 8°C |