Marysville climate — normals and trends
Marysville (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.7 °C and it receives 1,015 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (23.0 °C on average) and the coldest is January (-2.7 °C). Rainfall peaks in May.
Marysville averages 108 frost days, 23 hot days (≥ 30 °C) and 129 rainy days per year.
Marysville has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 120 to 96 per year over the period.
The hottest day of the period reached 38.5 °C (on 16 July 1988) and the coldest -30.8 °C (on 19 January 1994).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MarysvilleOhio
- coords
- 40.24°, -83.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.7°C
Average daily high
15.6°C
Average daily low
6.1°C
Annual rainfall
1,015mm
Sunshine / day
8.6h
Mean relative humidity
71%
Average peak wind
19.6km/h
Seasonal range
25.7°C
Frost days (< 0 °C)
108 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
61.2 cm
Average feels-like high
13.7 °C
Average feels-like low
3.3 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
26 d/yr
Solar radiation
14.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.5 °C
16 July 1988
Coldest day
-30.8 °C
19 January 1994
Wettest day
80 mm
14 September 1979
Windiest day
55.4 km/h
14 September 2008
Strongest gust
111.2 km/h
30 January 2013
Hottest feels-like
41.9 °C
22 July 2011
Coldest feels-like
-36.8 °C
19 January 1994
Snowiest day
24.4 cm
22 March 1968
Sunniest day
14.9 h
18 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.3 °C | -2.6 °C | 37 mm | -38 mm |
| Feb | 3.3 °C | +0.1 °C | 98 mm | +28 mm |
| Mar | 14.2 °C | +5.1 °C | 94 mm | -3 mm |
| Apr | 17.5 °C | +1.6 °C | 155 mm | +51 mm |
| May | 19.9 °C | -1.6 °C | 156 mm | +49 mm |
| Jun | 27.4 °C | +1.3 °C | 150 mm | +53 mm |
| Jul | 28.8 °C | +0.9 °C | 131 mm | +39 mm |
| Aug | 26.1 °C | -1.2 °C | 30 mm | -47 mm |
| Sep | 26.2 °C | +2.2 °C | 51 mm | -17 mm |
| Oct | 18.7 °C | +1.1 °C | 92 mm | +25 mm |
| Nov | 9.8 °C | -0.2 °C | 47 mm | -34 mm |
| Dec | 3.7 °C | 0.0 °C | 64 mm | -15 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Marysville?
Marysville has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 1,015 mm of precipitation per year.
What is the hottest day ever recorded in Marysville?
The hottest day measured in Marysville between 1940 and 2025 was 16 July 1988, reaching 38.5 °C.
What is the coldest day in Marysville?
The coldest day measured in Marysville between 1940 and 2025 was 19 January 1994, at -30.8 °C.
Does it snow in Marysville?
Yes. Marysville gets on average 61.2 cm of snow per year and has around 108 frost days.
Has the climate of Marysville warmed?
Yes: Marysville warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Marysville?
The wettest day measured in Marysville between 1940 and 2025 was 14 September 1979, with 80 mm of rain in 24 hours.
What was the windiest day in Marysville?
The windiest day measured in Marysville between 1940 and 2025 was 14 September 2008, with winds reaching 55.4 km/h.
What is the warmest month in Marysville?
The warmest month in Marysville is July (23.0 °C on average); the coldest is January (-2.7 °C).
How much does it rain in Marysville?
Marysville receives on average 1,015 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Marysville?
Marysville gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Marysville?
The heaviest 24-hour snowfall measured in Marysville between 1940 and 2025 was 22 March 1968, with 24.4 cm.
Are there tropical nights in Marysville?
Yes: Marysville has on average 26 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Marysville?
In Marysville, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 22 July 2011, and the lowest was -36.8 °C on 19 January 1994.
Compare Marysville with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Marysville