Weather & Climate
Bonney Lake, Washington, United States
Overview
Available climate summaries for Bonney Lake. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
6.2°C
Summer Avg
13.9°C
Winter Avg
-0.9°C
Record High
35.6°C
Record Low
-22.2°C
Annual Precipitation
1596 mm
Avg Humidity
85%
Summer Humidity
77%
Winter Humidity
94%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.2° | -0.7° | -20.9° | 234.7 | 94% | 32 | 24.2 |
| Feb | 13.4° | -0.7° | -20.3° | 152.6 | 93% | 54 | 25.3 |
| Mar | 17.9° | 1.4° | -13.3° | 179.8 | 91% | 88 | 23.1 |
| Apr | 24.6° | 4.3° | -11.1° | 122.4 | 85% | 125 | 22.5 |
| May | 28.5° | 8.7° | -3.5° | 93 | 81% | 163 | 21.3 |
| Jun | 31.8° | 11.3° | 0.3° | 69.3 | 81% | 172 | 19.9 |
| Jul | 35.6° | 15° | 3.2° | 20.8 | 77% | 196 | 15.8 |
| Aug | 33.9° | 15.5° | 3.1° | 32.2 | 72% | 168 | 23.2 |
| Sep | 32.7° | 12.3° | -2.4° | 68.4 | 74% | 117 | 18.8 |
| Oct | 26.7° | 6.9° | -6.9° | 158.7 | 82% | 71 | 21.7 |
| Nov | 16.8° | 2° | -20.6° | 233.1 | 91% | 37 | 28.4 |
| Dec | 11.3° | -1.2° | -22.2° | 231 | 95% | 26 | 31 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.