Balassagyarmat climate — normals and trends
Balassagyarmat (Hungary) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.6 °C and it receives 657 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 (20.3 °C on average) and the coldest is January (-2.3 °C). Rainfall peaks in June.
Balassagyarmat averages 100 frost days, 12 hot days (≥ 30 °C) and 112 rainy days per year.
Balassagyarmat has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 114 to 86 per year over the period.
The hottest day of the period reached 37.9 °C (on 18 July 2007) and the coldest -28.8 °C (on 21 January 1940).
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
BalassagyarmatNógrád
- coords
- 48.07°, 19.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.6°C
Average daily high
14.1°C
Average daily low
5.3°C
Annual rainfall
657mm
Sunshine / day
8.3h
Mean relative humidity
75%
Average peak wind
14.0km/h
Seasonal range
22.6°C
Frost days (< 0 °C)
100 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
112 d/yr
Annual snowfall
50.6 cm
Average feels-like high
12.1 °C
Average feels-like low
2.9 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.48 · 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
37.9 °C
18 July 2007
Coldest day
-28.8 °C
21 January 1940
Wettest day
59 mm
19 August 2015
Windiest day
50.5 km/h
1 March 1990
Strongest gust
102.6 km/h
1 March 1990
Hottest feels-like
39.3 °C
24 June 2021
Coldest feels-like
-34.3 °C
21 January 1940
Snowiest day
17.0 cm
30 November 2017
Sunniest day
15.2 h
30 June 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 | 4.2 °C | +3.6 °C | 21 mm | -16 mm |
| Feb | 4.6 °C | +1.0 °C | 22 mm | -17 mm |
| Mar | 13.4 °C | +4.2 °C | 75 mm | +34 mm |
| Apr | 18.2 °C | +2.9 °C | 56 mm | +2 mm |
| May | 18.5 °C | -1.5 °C | 56 mm | -18 mm |
| Jun | 28.4 °C | +4.9 °C | 16 mm | -63 mm |
| Jul | 27.7 °C | +2.1 °C | 74 mm | +5 mm |
| Aug | 28.3 °C | +2.9 °C | 75 mm | +13 mm |
| Sep | 22.8 °C | +1.9 °C | 73 mm | +22 mm |
| Oct | 14.3 °C | -0.4 °C | 46 mm | -3 mm |
| Nov | 8.1 °C | +0.6 °C | 94 mm | +37 mm |
| Dec | 4.6 °C | +2.3 °C | 10 mm | -35 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 Balassagyarmat?
Balassagyarmat has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.6 °C and it receives 657 mm of precipitation per year.
What is the hottest day ever recorded in Balassagyarmat?
The hottest day measured in Balassagyarmat between 1940 and 2025 was 18 July 2007, reaching 37.9 °C.
What is the coldest day in Balassagyarmat?
The coldest day measured in Balassagyarmat between 1940 and 2025 was 21 January 1940, at -28.8 °C.
Does it snow in Balassagyarmat?
Yes. Balassagyarmat gets on average 50.6 cm of snow per year and has around 100 frost days.
Has the climate of Balassagyarmat warmed?
Yes: Balassagyarmat warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Balassagyarmat?
The wettest day measured in Balassagyarmat between 1940 and 2025 was 19 August 2015, with 59 mm of rain in 24 hours.
What was the windiest day in Balassagyarmat?
The windiest day measured in Balassagyarmat between 1940 and 2025 was 1 March 1990, with winds reaching 50.5 km/h.
What is the warmest month in Balassagyarmat?
The warmest month in Balassagyarmat is July (20.3 °C on average); the coldest is January (-2.3 °C).
How much does it rain in Balassagyarmat?
Balassagyarmat receives on average 657 mm of precipitation per year, spread over about 112 rainy days.
Is it sunny in Balassagyarmat?
Balassagyarmat 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 Balassagyarmat?
The heaviest 24-hour snowfall measured in Balassagyarmat between 1940 and 2025 was 30 November 2017, with 17.0 cm.
Are there tropical nights in Balassagyarmat?
Yes: Balassagyarmat has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Balassagyarmat?
In Balassagyarmat, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 24 June 2021, and the lowest was -34.3 °C on 21 January 1940.
Compare Balassagyarmat with another city
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Nearby cities
The climate around Balassagyarmat