Marysville, Washington Climate by Month
Marysville, Washington, United States
Warm summers and cool winters, with rain spread through the year.
The climate in Marysville is one of warm summers and cool winters, with rain spread through the year. August is the warmest month, with highs around 75°F (24°C); December is the coolest at 46°F (8°C), and nights dip to 35°F (2°C). It gets 38 in (973 mm) of rain a year, spread across the months.
- Warmest month
- 75°F(24°C)
- Average high, August
- Coldest nights
- 35°F(2°C)
- Average low, February
- Rain per year
- 38 in(973 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: July
Best and worst months in Marysville
Best for weatherJuly and August are the best time for weather in Marysville: highs near 75°F (24°C) and about 1.1 in (27 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 46°F (8°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 August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Marysville weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 47°F(8°C) | 36°F(2°C) | 4.8 in(122 mm) | 79% | 0.9 |
| FebFebruary | 50°F(10°C) | 35°F(2°C) | 2.9 in(74 mm) | 76% | 1.9 |
| MarMarch | 54°F(12°C) | 38°F(4°C) | 4.3 in(109 mm) | 76% | 2.6 |
| AprApril | 58°F(15°C) | 42°F(6°C) | 3.1 in(79 mm) | 73% | 4.2 |
| MayMay | 65°F(18°C) | 47°F(9°C) | 2.4 in(60 mm) | 72% | 5.1 |
| JunJune | 69°F(20°C) | 52°F(11°C) | 2.2 in(57 mm) | 67% | 5.4 |
| JulJulyBest | 74°F(24°C) | 55°F(13°C) | 0.9 in(24 mm) | 67% | 6.0 |
| AugAugustBest | 75°F(24°C) | 55°F(13°C) | 1.2 in(30 mm) | 71% | 5.1 |
| SepSeptember | 70°F(21°C) | 51°F(10°C) | 2.2 in(55 mm) | 73% | 3.7 |
| OctOctober | 60°F(16°C) | 44°F(7°C) | 4.1 in(103 mm) | 84% | 1.9 |
| NovNovember | 51°F(11°C) | 39°F(4°C) | 5.3 in(135 mm) | 78% | 1.1 |
| DecDecember | 46°F(8°C) | 35°F(2°C) | 4.9 in(125 mm) | 81% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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