Seattle weather by month & the best time to visit
🇺🇸 United States · major city break · Mediterranean climate
The best time to visit Seattle is July — its sunniest month (Sunshine Score 86/100), with August and June close behind. Seattle averages about 1,896 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 19 mm of rain in July.
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- Sun hours / year
- 1,896
- Sunniest month
- July
- Peak score
- 86/100
- Rain / year
- 1,230 mm
- Snow / year
- ≈12 cm
- Midday UV at peak
- 7 (high)
- Population
- 3.1M
- Elevation
- 118 m
When is the best time to visit Seattle?
For sunshine, the best time to visit Seattle is July, then August and June. The dullest month is January (0/100, 174 mm of rain). The full month-by-month picture is in the table below.
How sunny is Seattle?
Seattle gets a moderate 1,896 hours of sunshine a year. 86 Sunshine Score points separate July (86) from January (0), so the month you pick matters. It ranks #443 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around December, carries about 44% of the annual 1,230 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 7° / 45°F | 2° / 36°F | 174 mm | 1 |
| February | 0 | 8° / 46°F | 1° / 34°F | 108 mm | 1 |
| March | 11 | 10° / 50°F | 3° / 37°F | 138 mm | 2 |
| April | 30 | 13° / 55°F | 5° / 41°F | 95 mm | 4 |
| May | 58 | 17° / 63°F | 8° / 46°F | 70 mm | 5 |
| June | 80 | 20° / 68°F | 11° / 52°F | 51 mm | 6 |
| July | 86 | 23° / 73°F | 13° / 55°F | 19 mm | 7 |
| August | 84 | 23° / 73°F | 13° / 55°F | 29 mm | 6 |
| September | 79 | 20° / 68°F | 11° / 52°F | 58 mm | 4 |
| October | 39 | 15° / 59°F | 7° / 45°F | 125 mm | 2 |
| November | 10 | 10° / 50°F | 4° / 39°F | 188 mm | 1 |
| December | 0 | 6° / 43°F | 1° / 34°F | 175 mm | 0 |
See Seattle on the interactive sunshine globe →
Nearby places for sunshine
- Bellingham United States · 150 km · best in Jul · 2,005 h sun/yr
- Victoria (British Columbia) Canada · 157 km · best in Jul · 2,004 h sun/yr
- Abbotsford Canada · 175 km · best in Jul · 1,738 h sun/yr
- Vancouver Canada · 205 km · best in Jul · 1,739 h sun/yr
- Portland United States · 208 km · best in Jul · 2,058 h sun/yr
- Nanaimo Canada · 213 km · best in Jul · 1,738 h sun/yr
Nearest destinations
- Tacoma United States · 28 km · 1,895 h sun/yr · best in Jul
- Seattle United States · 51 km · 1,898 h sun/yr · best in Jul
- Olympia United States · 70 km · 1,894 h sun/yr · best in Jul
- Anacortes United States · 120 km · 2,003 h sun/yr · best in Jul
- Center United States · 122 km · 2,003 h sun/yr · best in Jul
Head-to-head
How Seattle compares month by month: Seattle vs Portland · Seattle vs Victoria (British Columbia) · Seattle vs Abbotsford · Seattle vs Bellingham · all comparisons
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