Siófok weather in May
Averages, precipitation and records for every May since 2000
What is May like in Siófok?
In May, daytime highs in Siófok average 21.1 °C and night-time lows 11.7 °C, giving a monthly mean of 16.6 °C. Expect about 71 mm of precipitation on 12 wet days.
May is the 5th warmest month of the year here: 4.7 °C warmer than April and 4.4 °C cooler than June.
An average May brings 5.7 summer days (25 °C or more).
Compared with the May average of Hungarian towns (16.7 °C), Siófok is 0.1 °C cooler — the 204th warmest of 348.
The warmest May was in 2003 (19.5 °C), the coolest in 2019 (13.5 °C). The wettest was 2019 (159 mm), the driest 2003 (28 mm). May in 2016–2025 averaged 16.1 °C, compared with 17.3 °C in 2000–2009 (-1.2 °C).
May records: 32.4 °C (28 May 2008) and 3.6 °C (4 May 2011). The average topsoil temperature (0–7 cm) is 16.8 °C.
Planning a trip? Check the 7-day forecast for Siófok and the current weather. See also the full climate of Siófok and Hungary in May.
May mean temperature by year
Red: warmer than the average (16.6 °C), blue: cooler.
May precipitation by year
Monthly total (mm).
Every May in Siófok, 2000–2025
Highlighted: the warmest and the coolest year. Click a year for its daily data.
| Year | Mean | Highest | Lowest | Precip. |
|---|---|---|---|---|
| May 2025 | 14.8 °C | 26.6 °C | 5.8 °C | 52 mm |
| May 2024 | 17.9 °C | 25.5 °C | 9.9 °C | 73 mm |
| May 2023 | 15.7 °C | 25.7 °C | 7.0 °C | 104 mm |
| May 2022 | 17.9 °C | 29.0 °C | 9.4 °C | 52 mm |
| May 2021 | 14.1 °C | 26.2 °C | 5.2 °C | 107 mm |
| May 2020 | 14.9 °C | 24.0 °C | 6.5 °C | 50 mm |
| May 2019 | 13.5 °C | 24.5 °C | 4.3 °C | 159 mm |
| May 2018 | 19.4 °C | 28.8 °C | 10.2 °C | 53 mm |
| May 2017 | 16.8 °C | 27.9 °C | 4.9 °C | 64 mm |
| May 2016 | 15.9 °C | 28.2 °C | 5.9 °C | 86 mm |
| May 2015 | 16.6 °C | 28.3 °C | 7.5 °C | 87 mm |
| May 2014 | 15.4 °C | 27.5 °C | 6.1 °C | 123 mm |
| May 2013 | 16.1 °C | 27.3 °C | 8.7 °C | 102 mm |
| May 2012 | 17.4 °C | 29.4 °C | 5.4 °C | 56 mm |
| May 2011 | 16.7 °C | 28.0 °C | 3.6 °C | 35 mm |
| May 2010 | 15.8 °C | 25.1 °C | 6.8 °C | 147 mm |
| May 2009 | 17.7 °C | 28.5 °C | 7.2 °C | 35 mm |
| May 2008 | 17.2 °C | 32.4 °C | 7.0 °C | 33 mm |
| May 2007 | 17.9 °C | 29.7 °C | 5.3 °C | 76 mm |
| May 2006 | 15.4 °C | 25.9 °C | 6.0 °C | 91 mm |
| May 2005 | 16.4 °C | 30.8 °C | 4.2 °C | 50 mm |
| May 2004 | 14.4 °C | 25.3 °C | 6.2 °C | 59 mm |
| May 2003 | 19.5 °C | 30.7 °C | 7.5 °C | 28 mm |
| May 2002 | 18.3 °C | 27.1 °C | 7.8 °C | 46 mm |
| May 2001 | 17.8 °C | 28.2 °C | 7.1 °C | 38 mm |
| May 2000 | 18.2 °C | 29.2 °C | 8.4 °C | 38 mm |
May in nearby towns
| Town | Avg high | Avg low | Precip. | Wet days |
|---|---|---|---|---|
| Siófok | 21.1 °C | 11.7 °C | 71 mm | 12 |
| Balatonboglár | 20.8 °C | 13.5 °C | 75 mm | 12 |
| Balatonföldvár | 20.8 °C | 12.8 °C | 73 mm | 12 |
| Balatonlelle | 20.8 °C | 12.5 °C | 74 mm | 12 |
| Barcs | 21.6 °C | 11.5 °C | 78 mm | 13 |
| Csurgó | 21.2 °C | 11.7 °C | 83 mm | 13 |
| Fonyód | 21.0 °C | 12.1 °C | 75 mm | 12 |
| Igal | 21.1 °C | 11.5 °C | 77 mm | 12 |
| Kadarkút | 21.2 °C | 11.5 °C | 83 mm | 13 |
Other months in Siófok
Frequently asked questions
What is the weather like in Siófok in May?
Average highs of 21.1 °C and lows of 11.7 °C, with about 71 mm of precipitation on 12 wet days.
How hot does it get in Siófok in May?
The May record is 32.4 °C (28 May 2008); there are 0.1 days of 30 °C or more in an average May.
How much does it rain in Siófok in May?
71 mm on average; the wettest May (2019) brought 159 mm.
What was the warmest May in Siófok?
2003, with a mean of 19.5 °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.