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Marysville Weather by Month
Average temperatures, rainfall and humidity for Marysville, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Marysville month looks like before you travel — then check the live Marysville forecast for the days ahead.
Warmest month
August
26°C average high
Coolest month
February
3°C average low
Wettest month
December
114 mm of rain
Driest month
July
13 mm of rain
Average temperature and rainfall in Marysville by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 8°C | 3°C | -11°C / 17°C | 109 mm | 84% | 10 km/h |
| February | 8°C | 3°C | -9°C / 18°C | 86 mm | 83% | 11 km/h |
| March | 12°C | 4°C | -5°C / 26°C | 83 mm | 78% | 12 km/h |
| April | 15°C | 6°C | -1°C / 31°C | 68 mm | 74% | 11 km/h |
| May | 19°C | 9°C | 3°C / 31°C | 50 mm | 74% | 9 km/h |
| June | 22°C | 11°C | 6°C / 40°C | 47 mm | 72% | 9 km/h |
| July | 25°C | 13°C | 8°C / 34°C | 13 mm | 70% | 9 km/h |
| August | 26°C | 14°C | 8°C / 36°C | 20 mm | 72% | 8 km/h |
| September | 21°C | 12°C | 3°C / 32°C | 70 mm | 77% | 8 km/h |
| October | 15°C | 8°C | -2°C / 29°C | 87 mm | 83% | 9 km/h |
| November | 10°C | 5°C | -7°C / 22°C | 104 mm | 83% | 10 km/h |
| December | 7°C | 3°C | -10°C / 15°C | 114 mm | 85% | 11 km/h |
Best time to visit Marysville
The most comfortable time to visit Marysville is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 853 mm a year.
Travellers who prefer heat should aim for August, when highs average 26°C. December is the month to avoid if rain would spoil your plans — it averages 114 mm, roughly 8× the rainfall of July.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Marysville forecast for what is happening now.