Climate of Szolnok
Jász-Nagykun-Szolnok County · monthly averages, precipitation, records and warming trend
Climate of Szolnok in brief
Based on daily data from 2000–2025, the mean annual temperature in Szolnok is 12.3 °C. Summer afternoons reach 28.4 °C on average in July, while January nights fall to -2.3 °C. The area receives about 639 mm of precipitation a year, spread over 115 days with at least 1 mm.
That makes Szolnok the 52nd warmest of 348 Hungarian towns: 0.6 °C warmer than the national town average (11.7 °C), and 47 mm drier (287th by precipitation).
A typical year brings 30 hot days (at least 30 °C), 88 summer days (at least 25 °C) and 72 frost days (minimum below 0 °C). The warmest month is July, the coldest January.
The climate is warming: the 2000–2009 average was 11.8 °C, while 2016–2025 averaged 12.8 °C (+1.0 °C). The warmest year was 2024 (13.9 °C), the coldest 2005 (10.6 °C).
Records of the period: the highest daily maximum was 38.7 °C (20 July 2007), the lowest minimum -20.5 °C (26 December 2002), and the wettest day brought 53.6 mm (16 July 2016).
Current conditions: Szolnok weather forecast · 7-day forecast · what to expect in September.
Climate table of Szolnok
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 | 3.7 °C | -2.3 °C | 0.5 °C | 42 mm | 10 | 0.0 | 21.0 | 1.4 °C |
| February | 6.4 °C | -1.4 °C | 2.3 °C | 41 mm | 9 | 0.0 | 16.9 | 2.8 °C |
| March | 11.5 °C | 2.0 °C | 6.7 °C | 43 mm | 9 | 0.0 | 9.6 | 6.7 °C |
| April | 17.5 °C | 7.0 °C | 12.4 °C | 46 mm | 9 | 0.0 | 0.9 | 12.5 °C |
| May | 22.3 °C | 12.0 °C | 17.4 °C | 64 mm | 12 | 0.6 | 0.0 | 17.7 °C |
| June | 26.4 °C | 16.4 °C | 21.7 °C | 72 mm | 11 | 6.1 | 0.0 | 22.2 °C |
| July | 28.4 °C | 18.4 °C | 23.6 °C | 69 mm | 11 | 10.7 | 0.0 | 24.5 °C |
| August | 28.3 °C | 18.1 °C | 23.3 °C | 55 mm | 8 | 10.9 | 0.0 | 24.4 °C |
| September | 22.7 °C | 13.6 °C | 18.1 °C | 60 mm | 9 | 1.5 | 0.0 | 19.3 °C |
| October | 16.8 °C | 8.3 °C | 12.4 °C | 50 mm | 8 | 0.0 | 0.3 | 13.3 °C |
| November | 10.3 °C | 3.7 °C | 6.8 °C | 49 mm | 9 | 0.0 | 5.7 | 7.6 °C |
| December | 4.5 °C | -0.9 °C | 1.7 °C | 49 mm | 10 | 0.0 | 17.2 | 2.7 °C |
| Year | 16.6 °C | 7.9 °C | 12.3 °C | 639 mm | 115 | 29.8 | 71.7 | 13.0 °C |
Temperature through the year
Bar: average low to average high; dot: monthly mean (°C).
Precipitation by month
Average monthly total (mm).
Warming in Szolnok
Annual mean temperature; red: above the 2000–2025 average, blue: below.
Records
Highest temperature
38.7 °C 20 July 2007Lowest temperature
-20.5 °C 26 December 2002Wettest day
53.6 mm 16 July 2016Compared with nearby towns
| Town | Mean | Precip./year | Hot days | Frost days |
|---|---|---|---|---|
| Szolnok | 12.3 °C | 639 mm | 30 | 72 |
| Abádszalók | 12.1 °C | 636 mm | 29 | 76 |
| Besenyszög | 12.3 °C | 650 mm | 31 | 74 |
| Fegyvernek | 12.3 °C | 658 mm | 29 | 72 |
| Jászapáti | 12.0 °C | 622 mm | 28 | 77 |
| Jászberény | 12.0 °C | 630 mm | 26 | 76 |
| Jászfényszaru | 11.9 °C | 621 mm | 26 | 78 |
| Jászkisér | 12.1 °C | 645 mm | 29 | 75 |
| Jászárokszállás | 12.1 °C | 602 mm | 30 | 78 |
Weather in Szolnok by month
Frequently asked questions
What is the climate like in Szolnok?
The mean annual temperature is 12.3 °C with about 639 mm of precipitation a year. Summers are warm (28.4 °C average high in July), winters are cold (-2.3 °C average low in January).
What is the hottest month in Szolnok?
July, with an average temperature of 23.6 °C and highs around 28.4 °C.
What is the wettest month in Szolnok?
June, with 72 mm on average.
What was the highest temperature ever recorded in Szolnok?
38.7 °C on 20 July 2007 (period 2000–2025).
When is the best time to visit Szolnok?
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.