Climate · 2000–2025

Climate of Keszthely

Zala County · monthly averages, precipitation, records and warming trend

11.8 °CMean annual temperature

731 mmPrecipitation per year

19Hot days (≥30 °C) / year

70Frost days / year

37.3 °CRecord high (2013)

171. / 348Warmth rank among towns

Climate of Keszthely in brief

Based on daily data from 2000–2025, the mean annual temperature in Keszthely is 11.8 °C. Summer afternoons reach 27.0 °C on average in July, while January nights fall to -2.1 °C. The area receives about 731 mm of precipitation a year, spread over 116 days with at least 1 mm.

That makes Keszthely the 171st warmest of 348 Hungarian towns: 0.1 °C warmer than the national town average (11.7 °C), and 46 mm wetter (61st by precipitation).

A typical year brings 19 hot days (at least 30 °C), 69 summer days (at least 25 °C) and 70 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 12.3 °C (+0.8 °C). The warmest year was 2024 (13.4 °C), the coldest 2005 (10.2 °C).

Records of the period: the highest daily maximum was 37.3 °C (8 August 2013), the lowest minimum -20.6 °C (10 February 2005), and the wettest day brought 45.2 mm (30 July 2023).

Current conditions: Keszthely weather forecast · 7-day forecast · what to expect in September.

Climate table of Keszthely

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	-2.1 °C	0.8 °C	46 mm	9	0.0	21.8	1.3 °C
February	6.5 °C	-1.0 °C	2.6 °C	46 mm	9	0.0	16.0	2.6 °C
March	11.1 °C	2.2 °C	6.6 °C	50 mm	9	0.0	8.8	6.4 °C
April	16.4 °C	7.0 °C	11.8 °C	48 mm	9	0.0	0.9	11.7 °C
May	20.7 °C	11.6 °C	16.3 °C	77 mm	13	0.2	0.0	16.3 °C
June	25.1 °C	16.0 °C	20.7 °C	73 mm	11	3.9	0.0	20.8 °C
July	27.0 °C	17.8 °C	22.5 °C	73 mm	11	7.5	0.0	22.9 °C
August	26.6 °C	17.6 °C	22.1 °C	70 mm	10	6.8	0.0	22.7 °C
September	21.2 °C	13.1 °C	17.1 °C	79 mm	10	0.5	0.0	17.7 °C
October	16.1 °C	8.7 °C	12.2 °C	60 mm	8	0.0	0.2	12.6 °C
November	10.0 °C	4.0 °C	6.8 °C	58 mm	9	0.0	5.1	7.4 °C
December	4.7 °C	-0.5 °C	2.0 °C	52 mm	10	0.0	16.7	2.6 °C
Year	15.8 °C	7.9 °C	11.8 °C	731 mm	116	18.9	69.7	12.1 °C

Temperature through the year

Bar: average low to average high; dot: monthly mean (°C).

Precipitation by month

Average monthly total (mm).

Warming in Keszthely

Annual mean temperature; red: above the 2000–2025 average, blue: below.

Records

Highest temperature

37.3 °C 8 August 2013

Lowest temperature

-20.6 °C 10 February 2005

Wettest day

45.2 mm 30 July 2023

Warmest and coldest year

2024: 13.4 °C
2005: 10.2 °C

Compared with nearby towns

Town	Mean	Precip./year	Hot days	Frost days
Keszthely	11.8 °C	731 mm	19	70
Hévíz	11.8 °C	731 mm	19	70
Lenti	11.9 °C	819 mm	20	73
Letenye	12.0 °C	823 mm	22	72
Nagykanizsa	12.1 °C	783 mm	21	66
Pacsa	11.9 °C	770 mm	20	71
Zalaegerszeg	11.8 °C	796 mm	19	70
Zalakaros	12.2 °C	768 mm	22	66
Zalalövő	11.8 °C	808 mm	19	71

Weather in Keszthely by month

Frequently asked questions

What is the climate like in Keszthely?

The mean annual temperature is 11.8 °C with about 731 mm of precipitation a year. Summers are warm (27.0 °C average high in July), winters are cold (-2.1 °C average low in January).

What is the hottest month in Keszthely?

July, with an average temperature of 22.5 °C and highs around 27.0 °C.

What is the wettest month in Keszthely?

September, with 79 mm on average.

What was the highest temperature ever recorded in Keszthely?

37.3 °C on 8 August 2013 (period 2000–2025).

When is the best time to visit Keszthely?

Pleasant daytime temperatures (18–27 °C) are typical in May, June, July, August, September.

← Climate of all Hungarian towns

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.