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Weather & Climate
Bothell, Washington, United States
Overview
Climate data and monthly weather averages for Bothell.
Key Metrics
Annual Avg
10.2°C
Summer Avg
16.9°C
Winter Avg
4°C
Record High
36.3°C
Record Low
-10.7°C
Annual Precipitation
1251.5 mm
Avg Humidity
83%
Summer Humidity
77%
Winter Humidity
90%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 15° | 4° | -9.3° | 178.6 | 91% | 32 | 25.5 |
| Feb | 17.3° | 4.3° | -9.6° | 110.3 | 87% | 54 | 28.3 |
| Mar | 20° | 6.3° | -4.2° | 141.7 | 85% | 88 | 27.1 |
| Apr | 29.4° | 8.8° | -1.5° | 94.5 | 81% | 125 | 26.2 |
| May | 32.3° | 12.5° | 0.9° | 68.2 | 79% | 163 | 22.2 |
| Jun | 32.3° | 14.9° | 5.3° | 50.7 | 79% | 172 | 17 |
| Jul | 36.3° | 17.8° | 8° | 20.5 | 76% | 196 | 13 |
| Aug | 35.3° | 18° | 8.5° | 30.7 | 75% | 168 | 27.3 |
| Sep | 34.1° | 15.1° | 4.9° | 59.7 | 78% | 117 | 25.1 |
| Oct | 24.7° | 10.4° | -2.2° | 130.2 | 84% | 71 | 29.2 |
| Nov | 18.1° | 6.3° | -9.2° | 194.7 | 89% | 37 | 31.6 |
| Dec | 14.7° | 3.6° | -10.7° | 171.7 | 91% | 26 | 32.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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