Climate of Jánosháza
Vas County · monthly averages, precipitation, records and warming trend
Climate of Jánosháza in brief
Based on daily data from 2000–2025, the mean annual temperature in Jánosháza is 11.8 °C. Summer afternoons reach 27.3 °C on average in July, while January nights fall to -2.3 °C. The area receives about 715 mm of precipitation a year, spread over 119 days with at least 1 mm.
That makes Jánosháza the 171st warmest of 348 Hungarian towns: 0.1 °C warmer than the national town average (11.7 °C), and 30 mm wetter (91st by precipitation).
A typical year brings 21 hot days (at least 30 °C), 72 summer days (at least 25 °C) and 74 frost days (minimum below 0 °C). The warmest month is July, the coldest January.
The climate is warming: the 2000–2009 average was 11.5 °C, while 2016–2025 averaged 12.3 °C (+0.8 °C). The warmest year was 2024 (13.3 °C), the coldest 2005 (10.1 °C).
Records of the period: the highest daily maximum was 38.2 °C (20 July 2007), the lowest minimum -20.3 °C (10 February 2005), and the wettest day brought 55.4 mm (2 August 2019).
Current conditions: Jánosháza weather forecast · 7-day forecast · what to expect in September.
Climate table of Jánosháza
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 | 3.9 °C | -2.3 °C | 0.7 °C | 45 mm | 9 | 0.0 | 22.3 | 1.3 °C |
| February | 6.5 °C | -1.0 °C | 2.6 °C | 43 mm | 9 | 0.0 | 16.6 | 2.6 °C |
| March | 11.2 °C | 1.9 °C | 6.5 °C | 49 mm | 9 | 0.0 | 9.8 | 6.3 °C |
| April | 16.6 °C | 6.6 °C | 11.8 °C | 47 mm | 9 | 0.0 | 1.0 | 11.6 °C |
| May | 20.9 °C | 11.3 °C | 16.3 °C | 75 mm | 13 | 0.3 | 0.0 | 16.4 °C |
| June | 25.4 °C | 15.7 °C | 20.8 °C | 73 mm | 11 | 4.5 | 0.0 | 21.0 °C |
| July | 27.3 °C | 17.6 °C | 22.7 °C | 69 mm | 11 | 8.5 | 0.0 | 23.3 °C |
| August | 26.8 °C | 17.3 °C | 22.2 °C | 74 mm | 10 | 7.3 | 0.0 | 22.9 °C |
| September | 21.4 °C | 12.9 °C | 17.1 °C | 78 mm | 10 | 0.6 | 0.0 | 17.9 °C |
| October | 16.1 °C | 8.4 °C | 12.1 °C | 59 mm | 9 | 0.0 | 0.3 | 12.6 °C |
| November | 10.0 °C | 3.7 °C | 6.7 °C | 54 mm | 9 | 0.0 | 6.2 | 7.3 °C |
| December | 4.7 °C | -0.7 °C | 1.9 °C | 48 mm | 10 | 0.0 | 17.6 | 2.6 °C |
| Year | 15.9 °C | 7.7 °C | 11.8 °C | 715 mm | 119 | 21.2 | 73.8 | 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 Jánosháza
Annual mean temperature; red: above the 2000–2025 average, blue: below.
Records
Highest temperature
38.2 °C 20 July 2007Lowest temperature
-20.3 °C 10 February 2005Wettest day
55.4 mm 2 August 2019Compared with nearby towns
| Town | Mean | Precip./year | Hot days | Frost days |
|---|---|---|---|---|
| Jánosháza | 11.8 °C | 715 mm | 21 | 74 |
| Bük | 11.5 °C | 732 mm | 19 | 77 |
| Celldömölk | 11.8 °C | 696 mm | 22 | 72 |
| Csepreg | 11.2 °C | 744 mm | 17 | 83 |
| Körmend | 11.4 °C | 773 mm | 16 | 79 |
| Kőszeg | 10.5 °C | 758 mm | 10 | 91 |
| Répcelak | 11.7 °C | 706 mm | 20 | 74 |
| Szentgotthárd | 11.2 °C | 775 mm | 15 | 85 |
| Szombathely | 11.2 °C | 751 mm | 16 | 85 |
Weather in Jánosháza by month
Frequently asked questions
What is the climate like in Jánosháza?
The mean annual temperature is 11.8 °C with about 715 mm of precipitation a year. Summers are warm (27.3 °C average high in July), winters are cold (-2.3 °C average low in January).
What is the hottest month in Jánosháza?
July, with an average temperature of 22.7 °C and highs around 27.3 °C.
What is the wettest month in Jánosháza?
September, with 78 mm on average.
What was the highest temperature ever recorded in Jánosháza?
38.2 °C on 20 July 2007 (period 2000–2025).
When is the best time to visit Jánosháza?
Pleasant daytime temperatures (18–27 °C) are typical in May, June, 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.