Batavia climate — normals and trends
Batavia (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.6 °C and it receives 1,024 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 (21.2 °C on average) and the coldest is January (-4.4 °C). Rainfall peaks in June.
Batavia averages 125 frost days, 11 hot days (≥ 30 °C) and 152 rainy days per year.
Batavia has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 136 to 114 per year over the period.
The hottest day of the period reached 36.9 °C (on 8 July 1988) and the coldest -27.8 °C (on 18 February 1979).
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
BataviaNew York
- coords
- 43.00°, -78.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.6°C
Average daily high
13.1°C
Average daily low
4.3°C
Annual rainfall
1,024mm
Sunshine / day
8.3h
Mean relative humidity
72%
Average peak wind
17.8km/h
Seasonal range
25.6°C
Frost days (< 0 °C)
125 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
131.9 cm
Average feels-like high
11.0 °C
Average feels-like low
1.1 °C
Average peak gust
41.8 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
36.9 °C
8 July 1988
Coldest day
-27.8 °C
18 February 1979
Wettest day
75 mm
17 July 2021
Windiest day
48.7 km/h
13 November 2003
Strongest gust
113.0 km/h
14 January 1940
Hottest feels-like
40.7 °C
3 September 1953
Coldest feels-like
-33.3 °C
18 February 1979
Snowiest day
28.6 cm
3 March 1942
Sunniest day
14.8 h
6 July 2025
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 | -1.2 °C | 58 mm | -13 mm |
| Feb | -0.6 °C | -0.8 °C | 80 mm | +13 mm |
| Mar | 9.9 °C | +4.5 °C | 55 mm | -27 mm |
| Apr | 13.3 °C | +0.8 °C | 97 mm | +2 mm |
| May | 17.6 °C | -1.3 °C | 135 mm | +41 mm |
| Jun | 25.0 °C | +1.2 °C | 98 mm | -0 mm |
| Jul | 28.0 °C | +1.8 °C | 66 mm | -31 mm |
| Aug | 25.4 °C | +0.2 °C | 62 mm | -25 mm |
| Sep | 23.2 °C | +1.8 °C | 33 mm | -52 mm |
| Oct | 15.9 °C | +0.9 °C | 102 mm | +15 mm |
| Nov | 7.3 °C | -0.7 °C | 78 mm | -5 mm |
| Dec | 0.9 °C | -0.9 °C | 84 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 Batavia?
Batavia has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.6 °C and it receives 1,024 mm of precipitation per year.
What is the hottest day ever recorded in Batavia?
The hottest day measured in Batavia between 1940 and 2025 was 8 July 1988, reaching 36.9 °C.
What is the coldest day in Batavia?
The coldest day measured in Batavia between 1940 and 2025 was 18 February 1979, at -27.8 °C.
Does it snow in Batavia?
Yes. Batavia gets on average 131.9 cm of snow per year and has around 125 frost days.
Has the climate of Batavia warmed?
Yes: Batavia warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Batavia?
The wettest day measured in Batavia between 1940 and 2025 was 17 July 2021, with 75 mm of rain in 24 hours.
What was the windiest day in Batavia?
The windiest day measured in Batavia between 1940 and 2025 was 13 November 2003, with winds reaching 48.7 km/h.
What is the warmest month in Batavia?
The warmest month in Batavia is July (21.2 °C on average); the coldest is January (-4.4 °C).
How much does it rain in Batavia?
Batavia receives on average 1,024 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Batavia?
Batavia gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Batavia?
The heaviest 24-hour snowfall measured in Batavia between 1940 and 2025 was 3 March 1942, with 28.6 cm.
Are there tropical nights in Batavia?
Yes: Batavia has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Batavia?
In Batavia, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 3 September 1953, and the lowest was -33.3 °C on 18 February 1979.
Compare Batavia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Batavia