Redmond, Washington Climate by Month
Redmond, Washington, United States
Warm summers and cool winters, with rain spread through the year.
Warm summers and cool winters, with rain spread through the year: that's Redmond's climate in short. Afternoon highs range from 45°F (7°C) in December to 77°F (25°C) in August, and December nights average 35°F (2°C). About 44 in (1106 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 77°F(25°C)
- Average high, August
- Coldest nights
- 35°F(2°C)
- Average low, December
- Rain per year
- 44 in(1106 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: July
Best and worst months in Redmond
Best for weatherJuly and August are the best time for weather in Redmond: highs near 77°F (25°C) and about 1.1 in (29 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 45°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Redmond weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 47°F(8°C) | 35°F(2°C) | 5.8 in(147 mm) | 81% | 1.0 |
| FebFebruary | 50°F(10°C) | 35°F(2°C) | 3.8 in(97 mm) | 75% | 1.9 |
| MarMarch | 54°F(12°C) | 38°F(3°C) | 4.9 in(124 mm) | 76% | 2.7 |
| AprApril | 59°F(15°C) | 41°F(5°C) | 3.6 in(91 mm) | 73% | 4.1 |
| MayMay | 66°F(19°C) | 47°F(8°C) | 2.4 in(61 mm) | 64% | 5.1 |
| JunJune | 71°F(21°C) | 52°F(11°C) | 2.0 in(52 mm) | 65% | 5.4 |
| JulJulyBest | 76°F(25°C) | 55°F(13°C) | 1.0 in(25 mm) | 65% | 6.0 |
| AugAugustBest | 77°F(25°C) | 55°F(13°C) | 1.3 in(32 mm) | 64% | 5.1 |
| SepSeptember | 71°F(22°C) | 51°F(10°C) | 2.0 in(52 mm) | 72% | 3.7 |
| OctOctober | 60°F(16°C) | 44°F(7°C) | 4.4 in(111 mm) | 83% | 1.9 |
| NovNovember | 51°F(11°C) | 38°F(3°C) | 6.3 in(160 mm) | 80% | 1.1 |
| DecDecember | 45°F(7°C) | 35°F(2°C) | 6.1 in(154 mm) | 84% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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