Hudson climate — normals and trends
Hudson (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 1,087 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 (22.3 °C on average) and the coldest is January (-3.2 °C). Rainfall peaks in June.
Hudson averages 110 frost days, 17 hot days (≥ 30 °C) and 148 rainy days per year.
Hudson has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 123 to 97 per year over the period.
The hottest day of the period reached 38.4 °C (on 25 June 1988) and the coldest -29.8 °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
HudsonOhio
- coords
- 41.24°, -81.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
14.6°C
Average daily low
5.7°C
Annual rainfall
1,087mm
Sunshine / day
8.7h
Mean relative humidity
73%
Average peak wind
17.5km/h
Seasonal range
25.5°C
Frost days (< 0 °C)
110 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
95.4 cm
Average feels-like high
12.8 °C
Average feels-like low
2.9 °C
Average peak gust
37.8 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
14.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
38.4 °C
25 June 1988
Coldest day
-29.8 °C
19 January 1994
Wettest day
104 mm
14 September 1979
Windiest day
46.0 km/h
3 April 1975
Strongest gust
103.0 km/h
14 January 1940
Hottest feels-like
42.4 °C
15 July 1995
Coldest feels-like
-35.9 °C
19 January 1994
Snowiest day
26.0 cm
25 November 1950
Sunniest day
15.0 h
27 June 1940
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 | -2.1 °C | -2.7 °C | 51 mm | -28 mm |
| Feb | 1.6 °C | -0.6 °C | 91 mm | +19 mm |
| Mar | 12.7 °C | +5.1 °C | 69 mm | -27 mm |
| Apr | 16.1 °C | +1.6 °C | 141 mm | +33 mm |
| May | 19.0 °C | -1.3 °C | 152 mm | +45 mm |
| Jun | 26.8 °C | +1.7 °C | 136 mm | +28 mm |
| Jul | 28.4 °C | +1.2 °C | 101 mm | +1 mm |
| Aug | 25.9 °C | -0.4 °C | 35 mm | -53 mm |
| Sep | 25.1 °C | +2.4 °C | 49 mm | -34 mm |
| Oct | 17.6 °C | +1.2 °C | 108 mm | +32 mm |
| Nov | 8.6 °C | -0.6 °C | 63 mm | -24 mm |
| Dec | 2.5 °C | -0.5 °C | 77 mm | -6 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 Hudson?
Hudson has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 1,087 mm of precipitation per year.
What is the hottest day ever recorded in Hudson?
The hottest day measured in Hudson between 1940 and 2025 was 25 June 1988, reaching 38.4 °C.
What is the coldest day in Hudson?
The coldest day measured in Hudson between 1940 and 2025 was 19 January 1994, at -29.8 °C.
Does it snow in Hudson?
Yes. Hudson gets on average 95.4 cm of snow per year and has around 110 frost days.
Has the climate of Hudson warmed?
Yes: Hudson warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hudson?
The wettest day measured in Hudson between 1940 and 2025 was 14 September 1979, with 104 mm of rain in 24 hours.
What was the windiest day in Hudson?
The windiest day measured in Hudson between 1940 and 2025 was 3 April 1975, with winds reaching 46.0 km/h.
What is the warmest month in Hudson?
The warmest month in Hudson is July (22.3 °C on average); the coldest is January (-3.2 °C).
How much does it rain in Hudson?
Hudson receives on average 1,087 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Hudson?
Hudson gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hudson?
The heaviest 24-hour snowfall measured in Hudson between 1940 and 2025 was 25 November 1950, with 26.0 cm.
Are there tropical nights in Hudson?
Yes: Hudson has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hudson?
In Hudson, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 15 July 1995, and the lowest was -35.9 °C on 19 January 1994.
Compare Hudson with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hudson