+47.6062° · -122.3321° · ELEV 0m
Seattle
United States · Washington
Monthly weather averages for Seattle, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
August → FebruaryClimate Overview
Seattle has a temperate climate. The warmest month is August (25°C average high) and the coolest is December (7°C).
№ 02
1238 mm / yearRainfall by Month
Seattle sees 1238 mm of rain a year. The wettest month is December (186 mm); the driest is July (16 mm).
№ 03
May–SeptemberBest Time to Visit
May–September
10°C – 25°C · 11.1h sun
The best time to visit Seattle is May–September, when temperatures average 10°C–25°C with 11.1 sunshine hours per day.
Some visitors prefer April for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 8.1°C | 2.6°C | 176 mm | 4.3 h | 07:52 | 16:44 |
|---|---|---|---|---|---|---|
| February | 8.0°C | 2.3°C | 130 mm | 5.3 h | 07:15 | 17:32 |
| March | 11.0°C | 3.6°C | 126 mm | 7.3 h | 07:22 | 19:14 |
| April | 13.8°C | 5.7°C | 94 mm | 9.3 h | 06:20 | 19:58 |
| May | 18.0°C | 9.5°C | 56 mm | 10.3 h | 05:31 | 20:39 |
| June | 21.0°C | 12.2°C | 50 mm | 11.7 h | 05:11 | 21:08 |
| July | 24.5°C | 14.6°C | 16 mm | 12.7 h | 05:26 | 21:03 |
| August | 24.9°C | 15.1°C | 25 mm | 11.7 h | 06:05 | 20:22 |
| September | 20.6°C | 12.6°C | 65 mm | 9.3 h | 06:46 | 19:22 |
| October | 15.3°C | 9.0°C | 134 mm | 6.5 h | 07:27 | 18:21 |
| November | 10.2°C | 5.0°C | 180 mm | 4.9 h | 07:14 | 16:33 |
| December | 7.3°C | 2.8°C | 186 mm | 3.6 h | 07:50 | 16:18 |