Jaroměř climate — normals and trends
Jaroměř (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 664 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 (18.1 °C on average) and the coldest is January (-2.0 °C). Rainfall peaks in July.
Jaroměř averages 98 frost days, 4 hot days (≥ 30 °C) and 133 rainy days per year.
Jaroměř has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 118 to 78 per year over the period.
The hottest day of the period reached 36.2 °C (on 10 August 1992) and the coldest -30.4 °C (on 9 February 1956).
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
JaroměřHradec Králové Region
- coords
- 50.36°, 15.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
12.1°C
Average daily low
4.6°C
Annual rainfall
664mm
Sunshine / day
7.6h
Mean relative humidity
78%
Average peak wind
15.5km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
98 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
61.4 cm
Average feels-like high
9.7 °C
Average feels-like low
1.9 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.53 · 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
36.2 °C
10 August 1992
Coldest day
-30.4 °C
9 February 1956
Wettest day
63 mm
13 August 1960
Windiest day
47.1 km/h
24 November 1984
Strongest gust
119.2 km/h
19 January 2007
Hottest feels-like
37.5 °C
5 July 1957
Coldest feels-like
-36.8 °C
9 February 1956
Snowiest day
12.6 cm
26 November 1969
Sunniest day
16.0 h
24 June 2005
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 | 3.3 °C | +3.0 °C | 42 mm | -3 mm |
| Feb | 3.6 °C | +1.3 °C | 9 mm | -33 mm |
| Mar | 11.4 °C | +4.4 °C | 32 mm | -14 mm |
| Apr | 16.1 °C | +3.4 °C | 40 mm | -7 mm |
| May | 16.7 °C | -0.8 °C | 44 mm | -23 mm |
| Jun | 23.8 °C | +2.9 °C | 75 mm | +3 mm |
| Jul | 23.8 °C | +1.0 °C | 98 mm | +19 mm |
| Aug | 24.4 °C | +1.7 °C | 60 mm | -10 mm |
| Sep | 19.4 °C | +1.1 °C | 91 mm | +38 mm |
| Oct | 11.8 °C | -0.7 °C | 48 mm | +5 mm |
| Nov | 6.2 °C | +0.2 °C | 57 mm | +7 mm |
| Dec | 3.6 °C | +1.6 °C | 20 mm | -30 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 Jaroměř?
Jaroměř has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 664 mm of precipitation per year.
What is the hottest day ever recorded in Jaroměř?
The hottest day measured in Jaroměř between 1940 and 2025 was 10 August 1992, reaching 36.2 °C.
What is the coldest day in Jaroměř?
The coldest day measured in Jaroměř between 1940 and 2025 was 9 February 1956, at -30.4 °C.
Does it snow in Jaroměř?
Yes. Jaroměř gets on average 61.4 cm of snow per year and has around 98 frost days.
Has the climate of Jaroměř warmed?
Yes: Jaroměř warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jaroměř?
The wettest day measured in Jaroměř between 1940 and 2025 was 13 August 1960, with 63 mm of rain in 24 hours.
What was the windiest day in Jaroměř?
The windiest day measured in Jaroměř between 1940 and 2025 was 24 November 1984, with winds reaching 47.1 km/h.
What is the warmest month in Jaroměř?
The warmest month in Jaroměř is July (18.1 °C on average); the coldest is January (-2.0 °C).
How much does it rain in Jaroměř?
Jaroměř receives on average 664 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Jaroměř?
Jaroměř gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jaroměř?
The heaviest 24-hour snowfall measured in Jaroměř between 1940 and 2025 was 26 November 1969, with 12.6 cm.
Are there tropical nights in Jaroměř?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Jaroměř.
What was the most extreme apparent temperature in Jaroměř?
In Jaroměř, between 1940 and 2025, the highest apparent temperature reached 37.5 °C on 5 July 1957, and the lowest was -36.8 °C on 9 February 1956.
Compare Jaroměř with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jaroměř