Keszthely weather in May
Averages, precipitation and records for every May since 2000
What is May like in Keszthely?
In May, daytime highs in Keszthely average 20.7 °C and night-time lows 11.6 °C, giving a monthly mean of 16.3 °C. Expect about 77 mm of precipitation on 13 wet days.
May is the 5th warmest month of the year here: 4.5 °C warmer than April and 4.4 °C cooler than June.
An average May brings 4.9 summer days (25 °C or more).
Compared with the May average of Hungarian towns (16.7 °C), Keszthely is 0.4 °C cooler — the 250th warmest of 348.
The warmest May was in 2003 (19.2 °C), the coolest in 2019 (13.0 °C). The wettest was 2019 (162 mm), the driest 2003 (36 mm). May in 2016–2025 averaged 15.8 °C, compared with 16.9 °C in 2000–2009 (-1.1 °C).
May records: 32.5 °C (28 May 2008) and 3.1 °C (10 May 2017). The average topsoil temperature (0–7 cm) is 16.3 °C.
Planning a trip? Check the 7-day forecast for Keszthely and the current weather. See also the full climate of Keszthely and Hungary in May.
May mean temperature by year
Red: warmer than the average (16.3 °C), blue: cooler.
May precipitation by year
Monthly total (mm).
Every May in Keszthely, 2000–2025
Highlighted: the warmest and the coolest year. Click a year for its daily data.
| Year | Mean | Highest | Lowest | Precip. |
|---|---|---|---|---|
| May 2025 | 14.6 °C | 26.7 °C | 6.3 °C | 61 mm |
| May 2024 | 17.3 °C | 24.9 °C | 9.9 °C | 84 mm |
| May 2023 | 15.2 °C | 25.6 °C | 8.6 °C | 104 mm |
| May 2022 | 17.8 °C | 29.2 °C | 8.5 °C | 62 mm |
| May 2021 | 13.9 °C | 25.4 °C | 4.2 °C | 106 mm |
| May 2020 | 14.8 °C | 24.2 °C | 6.1 °C | 53 mm |
| May 2019 | 13.0 °C | 24.1 °C | 3.5 °C | 162 mm |
| May 2018 | 18.9 °C | 27.9 °C | 9.7 °C | 90 mm |
| May 2017 | 16.7 °C | 28.3 °C | 3.1 °C | 52 mm |
| May 2016 | 15.6 °C | 27.5 °C | 5.1 °C | 114 mm |
| May 2015 | 16.4 °C | 28.1 °C | 6.5 °C | 90 mm |
| May 2014 | 15.1 °C | 27.6 °C | 6.0 °C | 112 mm |
| May 2013 | 15.8 °C | 27.4 °C | 8.8 °C | 104 mm |
| May 2012 | 16.9 °C | 29.1 °C | 5.3 °C | 72 mm |
| May 2011 | 16.5 °C | 28.7 °C | 3.8 °C | 44 mm |
| May 2010 | 15.6 °C | 25.9 °C | 6.2 °C | 135 mm |
| May 2009 | 17.2 °C | 28.5 °C | 7.3 °C | 36 mm |
| May 2008 | 17.1 °C | 32.5 °C | 8.1 °C | 38 mm |
| May 2007 | 17.6 °C | 29.0 °C | 7.4 °C | 93 mm |
| May 2006 | 15.0 °C | 25.9 °C | 5.9 °C | 105 mm |
| May 2005 | 16.0 °C | 30.6 °C | 3.9 °C | 58 mm |
| May 2004 | 14.0 °C | 25.0 °C | 5.6 °C | 67 mm |
| May 2003 | 19.2 °C | 30.5 °C | 7.9 °C | 36 mm |
| May 2002 | 18.0 °C | 27.1 °C | 8.8 °C | 42 mm |
| May 2001 | 17.4 °C | 28.2 °C | 6.4 °C | 43 mm |
| May 2000 | 17.7 °C | 28.1 °C | 6.6 °C | 49 mm |
May in nearby towns
| Town | Avg high | Avg low | Precip. | Wet days |
|---|---|---|---|---|
| Keszthely | 20.7 °C | 11.6 °C | 77 mm | 13 |
| Hévíz | 20.7 °C | 11.6 °C | 77 mm | 13 |
| Lenti | 20.9 °C | 11.3 °C | 94 mm | 14 |
| Letenye | 21.1 °C | 11.2 °C | 90 mm | 14 |
| Nagykanizsa | 20.9 °C | 11.6 °C | 84 mm | 13 |
| Pacsa | 20.8 °C | 11.4 °C | 82 mm | 14 |
| Zalaegerszeg | 20.6 °C | 11.4 °C | 86 mm | 14 |
| Zalakaros | 21.2 °C | 11.8 °C | 82 mm | 13 |
| Zalalövő | 20.7 °C | 11.4 °C | 90 mm | 14 |
Other months in Keszthely
Frequently asked questions
What is the weather like in Keszthely in May?
Average highs of 20.7 °C and lows of 11.6 °C, with about 77 mm of precipitation on 13 wet days.
How hot does it get in Keszthely in May?
The May record is 32.5 °C (28 May 2008); there are 0.2 days of 30 °C or more in an average May.
How much does it rain in Keszthely in May?
77 mm on average; the wettest May (2019) brought 162 mm.
What was the warmest May in Keszthely?
2003, with a mean of 19.2 °C (data 2000–2025).
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.