Climate of Isaszeg
Pest County · monthly averages, precipitation, records and warming trend
Climate of Isaszeg in brief
Based on daily data from 2000–2025, the mean annual temperature in Isaszeg is 11.4 °C. Summer afternoons reach 27.2 °C on average in July, while January nights fall to -2.9 °C. The area receives about 638 mm of precipitation a year, spread over 112 days with at least 1 mm.
That makes Isaszeg the 258th warmest of 348 Hungarian towns: 0.3 °C cooler than the national town average (11.7 °C), and 48 mm drier (291st by precipitation).
A typical year brings 20 hot days (at least 30 °C), 72 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 11.0 °C, while 2016–2025 averaged 11.9 °C (+0.9 °C). The warmest year was 2024 (13.0 °C), the coldest 2010 (9.9 °C).
Records of the period: the highest daily maximum was 38.0 °C (20 July 2007), the lowest minimum -22.8 °C (6 February 2012), and the wettest day brought 50.0 mm (16 July 2016).
Current conditions: Isaszeg weather forecast · 7-day forecast · what to expect in September.
Climate table of Isaszeg
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 | -2.9 °C | 0.0 °C | 40 mm | 9 | 0.0 | 23.1 | 0.7 °C |
| February | 5.8 °C | -2.0 °C | 1.8 °C | 40 mm | 9 | 0.0 | 18.2 | 2.0 °C |
| March | 10.6 °C | 1.1 °C | 5.8 °C | 44 mm | 9 | 0.0 | 12.3 | 5.7 °C |
| April | 16.5 °C | 6.1 °C | 11.6 °C | 44 mm | 9 | 0.0 | 1.5 | 11.6 °C |
| May | 21.1 °C | 11.2 °C | 16.4 °C | 67 mm | 13 | 0.4 | 0.0 | 16.6 °C |
| June | 25.3 °C | 15.4 °C | 20.7 °C | 68 mm | 11 | 3.9 | 0.0 | 21.1 °C |
| July | 27.2 °C | 17.4 °C | 22.6 °C | 67 mm | 11 | 8.3 | 0.0 | 23.4 °C |
| August | 27.0 °C | 17.1 °C | 22.2 °C | 56 mm | 8 | 7.2 | 0.0 | 23.2 °C |
| September | 21.5 °C | 12.6 °C | 17.0 °C | 63 mm | 8 | 0.6 | 0.0 | 18.1 °C |
| October | 15.8 °C | 7.6 °C | 11.5 °C | 52 mm | 8 | 0.0 | 0.6 | 12.3 °C |
| November | 9.5 °C | 3.1 °C | 6.1 °C | 51 mm | 9 | 0.0 | 6.9 | 6.8 °C |
| December | 3.9 °C | -1.5 °C | 1.1 °C | 46 mm | 9 | 0.0 | 18.8 | 2.0 °C |
| Year | 15.7 °C | 7.2 °C | 11.4 °C | 638 mm | 112 | 20.4 | 81.4 | 12.0 °C |
Temperature through the year
Bar: average low to average high; dot: monthly mean (°C).
Precipitation by month
Average monthly total (mm).
Warming in Isaszeg
Annual mean temperature; red: above the 2000–2025 average, blue: below.
Records
Highest temperature
38.0 °C 20 July 2007Lowest temperature
-22.8 °C 6 February 2012Wettest day
50.0 mm 16 July 2016Compared with nearby towns
| Town | Mean | Precip./year | Hot days | Frost days |
|---|---|---|---|---|
| Isaszeg | 11.4 °C | 638 mm | 20 | 81 |
| Abony | 12.3 °C | 644 mm | 30 | 71 |
| Albertirsa | 12.0 °C | 652 mm | 24 | 72 |
| Aszód | 11.4 °C | 646 mm | 22 | 86 |
| Biatorbágy | 11.2 °C | 677 mm | 18 | 85 |
| Budakalász | 11.1 °C | 677 mm | 17 | 86 |
| Budakeszi | 11.2 °C | 668 mm | 16 | 83 |
| Budaörs | 11.4 °C | 658 mm | 20 | 83 |
| Cegléd | 12.2 °C | 650 mm | 28 | 72 |
Weather in Isaszeg by month
Frequently asked questions
What is the climate like in Isaszeg?
The mean annual temperature is 11.4 °C with about 638 mm of precipitation a year. Summers are warm (27.2 °C average high in July), winters are cold (-2.9 °C average low in January).
What is the hottest month in Isaszeg?
July, with an average temperature of 22.6 °C and highs around 27.2 °C.
What is the wettest month in Isaszeg?
June, with 68 mm on average.
What was the highest temperature ever recorded in Isaszeg?
38.0 °C on 20 July 2007 (period 2000–2025).
When is the best time to visit Isaszeg?
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.