Climate of Balassagyarmat
Nógrád County · monthly averages, precipitation, records and warming trend
Climate of Balassagyarmat in brief
Based on daily data from 2000–2025, the mean annual temperature in Balassagyarmat is 10.7 °C. Summer afternoons reach 26.6 °C on average in July, while January nights fall to -3.9 °C. The area receives about 735 mm of precipitation a year, spread over 125 days with at least 1 mm.
That makes Balassagyarmat the 324th warmest of 348 Hungarian towns: 1.0 °C cooler than the national town average (11.7 °C), and 50 mm wetter (56th by precipitation).
A typical year brings 16 hot days (at least 30 °C), 66 summer days (at least 25 °C) and 97 frost days (minimum below 0 °C). The warmest month is July, the coldest January.
The climate is warming: the 2000–2009 average was 10.2 °C, while 2016–2025 averaged 11.2 °C (+0.9 °C). The warmest year was 2024 (12.2 °C), the coldest 2005 (9.3 °C).
Records of the period: the highest daily maximum was 36.9 °C (20 July 2007), the lowest minimum -23.5 °C (25 January 2000), and the wettest day brought 51.8 mm (19 August 2015).
Current conditions: Balassagyarmat weather forecast · 7-day forecast · what to expect in September.
Climate table of Balassagyarmat
Click a month for the detailed monthly page.
| Month | Avg high | Avg low | Mean | Precip. | Wet days | Hot days | Frost days | Soil 0–7 cm |
|---|---|---|---|---|---|---|---|---|
| January | 2.2 °C | -3.9 °C | -0.9 °C | 47 mm | 11 | 0.0 | 25.0 | -0.1 °C |
| February | 5.0 °C | -2.9 °C | 1.0 °C | 45 mm | 10 | 0.0 | 21.3 | 0.9 °C |
| March | 10.2 °C | 0.2 °C | 5.3 °C | 49 mm | 9 | 0.0 | 15.7 | 4.4 °C |
| April | 16.3 °C | 4.9 °C | 11.0 °C | 49 mm | 10 | 0.0 | 2.6 | 10.5 °C |
| May | 20.7 °C | 10.0 °C | 15.8 °C | 82 mm | 14 | 0.2 | 0.0 | 15.5 °C |
| June | 24.7 °C | 14.2 °C | 20.0 °C | 77 mm | 12 | 2.9 | 0.0 | 19.8 °C |
| July | 26.6 °C | 16.2 °C | 21.8 °C | 85 mm | 12 | 6.8 | 0.0 | 22.0 °C |
| August | 26.3 °C | 15.8 °C | 21.4 °C | 71 mm | 10 | 5.6 | 0.0 | 21.7 °C |
| September | 21.0 °C | 11.4 °C | 16.3 °C | 68 mm | 9 | 0.4 | 0.0 | 16.8 °C |
| October | 14.9 °C | 6.4 °C | 10.6 °C | 55 mm | 9 | 0.0 | 1.5 | 11.0 °C |
| November | 8.5 °C | 2.1 °C | 5.2 °C | 57 mm | 10 | 0.0 | 9.3 | 5.7 °C |
| December | 3.1 °C | -2.2 °C | 0.3 °C | 49 mm | 10 | 0.0 | 21.2 | 1.3 °C |
| Year | 15.0 °C | 6.1 °C | 10.7 °C | 735 mm | 125 | 16.0 | 96.6 | 10.8 °C |
Temperature through the year
Bar: average low to average high; dot: monthly mean (°C).
Precipitation by month
Average monthly total (mm).
Warming in Balassagyarmat
Annual mean temperature; red: above the 2000–2025 average, blue: below.
Records
Highest temperature
36.9 °C 20 July 2007Lowest temperature
-23.5 °C 25 January 2000Wettest day
51.8 mm 19 August 2015Compared with nearby towns
| Town | Mean | Precip./year | Hot days | Frost days |
|---|---|---|---|---|
| Balassagyarmat | 10.7 °C | 735 mm | 16 | 97 |
| Bátonyterenye | 10.0 °C | 760 mm | 9 | 100 |
| Pásztó | 10.5 °C | 722 mm | 13 | 94 |
| Rétság | 10.6 °C | 731 mm | 14 | 97 |
| Salgótarján | 10.2 °C | 758 mm | 11 | 98 |
| Szécsény | 10.7 °C | 723 mm | 16 | 95 |
Weather in Balassagyarmat by month
Frequently asked questions
What is the climate like in Balassagyarmat?
The mean annual temperature is 10.7 °C with about 735 mm of precipitation a year. Summers are warm (26.6 °C average high in July), winters are cold (-3.9 °C average low in January).
What is the hottest month in Balassagyarmat?
July, with an average temperature of 21.8 °C and highs around 26.6 °C.
What is the wettest month in Balassagyarmat?
July, with 85 mm on average.
What was the highest temperature ever recorded in Balassagyarmat?
36.9 °C on 20 July 2007 (period 2000–2025).
When is the best time to visit Balassagyarmat?
Pleasant daytime temperatures (18–27 °C) are typical in May, June, July, August, September.
Source: Meteon's own daily dataset built from the ERA5-Land reanalysis (Copernicus / ECMWF), 2000–2025, about 9 km grid resolution. Values describe the town's surroundings and can differ slightly from a single weather station. Hot day: maximum ≥ 30 °C; summer day: ≥ 25 °C; frost day: minimum < 0 °C; wet day: ≥ 1 mm.