Climate of Hatvan
Heves County · monthly averages, precipitation, records and warming trend
Climate of Hatvan in brief
Based on daily data from 2000–2025, the mean annual temperature in Hatvan is 11.8 °C. Summer afternoons reach 27.9 °C on average in July, while January nights fall to -3.0 °C. The area receives about 644 mm of precipitation a year, spread over 116 days with at least 1 mm.
That makes Hatvan the 171st warmest of 348 Hungarian towns: 0.1 °C warmer than the national town average (11.7 °C), and 42 mm drier (268th by precipitation).
A typical year brings 26 hot days (at least 30 °C), 82 summer days (at least 25 °C) and 81 frost days (minimum below 0 °C). The warmest month is July, the coldest January.
The climate is warming: the 2000–2009 average was 11.4 °C, while 2016–2025 averaged 12.2 °C (+0.8 °C). The warmest year was 2024 (13.1 °C), the coldest 2010 (10.3 °C).
Records of the period: the highest daily maximum was 39.0 °C (20 July 2007), the lowest minimum -23.8 °C (26 December 2002), and the wettest day brought 50.7 mm (16 July 2016).
Current conditions: Hatvan weather forecast · 7-day forecast · what to expect in September.
Climate table of Hatvan
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 | 3.1 °C | -3.0 °C | -0.1 °C | 40 mm | 10 | 0.0 | 23.0 | 0.7 °C |
| February | 6.0 °C | -1.9 °C | 1.9 °C | 40 mm | 9 | 0.0 | 18.2 | 2.0 °C |
| March | 11.2 °C | 1.2 °C | 6.2 °C | 44 mm | 9 | 0.0 | 11.8 | 5.9 °C |
| April | 17.3 °C | 6.3 °C | 12.1 °C | 45 mm | 10 | 0.0 | 1.3 | 11.9 °C |
| May | 21.9 °C | 11.4 °C | 16.9 °C | 67 mm | 13 | 0.6 | 0.0 | 16.9 °C |
| June | 26.0 °C | 15.7 °C | 21.2 °C | 69 mm | 12 | 4.9 | 0.0 | 21.4 °C |
| July | 27.9 °C | 17.7 °C | 23.1 °C | 72 mm | 11 | 10.0 | 0.0 | 23.8 °C |
| August | 27.7 °C | 17.4 °C | 22.8 °C | 58 mm | 9 | 9.0 | 0.0 | 23.5 °C |
| September | 22.2 °C | 12.9 °C | 17.5 °C | 60 mm | 8 | 1.1 | 0.0 | 18.5 °C |
| October | 16.1 °C | 7.6 °C | 11.7 °C | 52 mm | 8 | 0.0 | 0.6 | 12.4 °C |
| November | 9.6 °C | 3.0 °C | 6.1 °C | 50 mm | 9 | 0.0 | 7.1 | 6.8 °C |
| December | 3.9 °C | -1.6 °C | 1.0 °C | 45 mm | 9 | 0.0 | 19.2 | 1.9 °C |
| Year | 16.1 °C | 7.2 °C | 11.8 °C | 644 mm | 116 | 25.6 | 81.2 | 12.2 °C |
Temperature through the year
Bar: average low to average high; dot: monthly mean (°C).
Precipitation by month
Average monthly total (mm).
Warming in Hatvan
Annual mean temperature; red: above the 2000–2025 average, blue: below.
Records
Highest temperature
39.0 °C 20 July 2007Lowest temperature
-23.8 °C 26 December 2002Wettest day
50.7 mm 16 July 2016Compared with nearby towns
| Town | Mean | Precip./year | Hot days | Frost days |
|---|---|---|---|---|
| Hatvan | 11.8 °C | 644 mm | 26 | 81 |
| Bélapátfalva | 10.1 °C | 768 mm | 9 | 96 |
| Eger | 10.9 °C | 729 mm | 15 | 88 |
| Füzesabony | 11.5 °C | 676 mm | 23 | 85 |
| Gyöngyös | 10.6 °C | 712 mm | 14 | 93 |
| Gyöngyöspata | 10.8 °C | 703 mm | 16 | 90 |
| Heves | 12.0 °C | 595 mm | 28 | 77 |
| Kisköre | 12.1 °C | 628 mm | 30 | 76 |
| Lőrinci | 11.8 °C | 644 mm | 26 | 81 |
Weather in Hatvan by month
Frequently asked questions
What is the climate like in Hatvan?
The mean annual temperature is 11.8 °C with about 644 mm of precipitation a year. Summers are warm (27.9 °C average high in July), winters are cold (-3.0 °C average low in January).
What is the hottest month in Hatvan?
July, with an average temperature of 23.1 °C and highs around 27.9 °C.
What is the wettest month in Hatvan?
July, with 72 mm on average.
What was the highest temperature ever recorded in Hatvan?
39.0 °C on 20 July 2007 (period 2000–2025).
When is the best time to visit Hatvan?
Pleasant daytime temperatures (18–27 °C) are typical in May, June, 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.