Siófok weather in December
Averages, precipitation and records for every December since 2000
What is December like in Siófok?
In December, daytime highs in Siófok average 4.6 °C and night-time lows -0.8 °C, giving a monthly mean of 1.8 °C. Expect about 52 mm of precipitation on 10 wet days.
December is the 11th warmest month of the year here: 4.9 °C cooler than November and 1.3 °C warmer than January.
An average December brings 16.9 frost days (minimum below 0 °C), 3.7 ice days (maximum below 0 °C).
Compared with the December average of Hungarian towns (1.5 °C), Siófok is 0.3 °C warmer — the 127th warmest of 348.
The warmest December was in 2019 (4.0 °C), the coolest in 2001 (-5.2 °C). The wettest was 2023 (104 mm), the driest 2016 (5 mm). December in 2016–2025 averaged 2.6 °C, compared with 1.0 °C in 2000–2009 (+1.6 °C).
December records: 15.5 °C (25 December 2009) and -19.8 °C (15 December 2001). The average topsoil temperature (0–7 cm) is 2.4 °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 December.
December mean temperature by year
Red: warmer than the average (1.8 °C), blue: cooler.
December precipitation by year
Monthly total (mm).
Every December in Siófok, 2000–2025
Highlighted: the warmest and the coolest year. Click a year for its daily data.
| Year | Mean | Highest | Lowest | Precip. |
|---|---|---|---|---|
| December 2025 | 3.4 °C | 10.8 °C | -3.2 °C | 29 mm |
| December 2024 | 2.3 °C | 10.3 °C | -3.6 °C | 31 mm |
| December 2023 | 2.8 °C | 11.6 °C | -5.1 °C | 104 mm |
| December 2022 | 2.8 °C | 11.4 °C | -5.3 °C | 66 mm |
| December 2021 | 2.0 °C | 12.5 °C | -5.1 °C | 64 mm |
| December 2020 | 3.6 °C | 12.0 °C | -4.0 °C | 55 mm |
| December 2019 | 4.0 °C | 14.8 °C | -4.5 °C | 84 mm |
| December 2018 | 1.8 °C | 9.4 °C | -4.7 °C | 34 mm |
| December 2017 | 2.9 °C | 14.5 °C | -4.0 °C | 72 mm |
| December 2016 | 0.0 °C | 8.2 °C | -5.8 °C | 5 mm |
| December 2015 | 3.4 °C | 11.3 °C | -5.6 °C | 8 mm |
| December 2014 | 3.2 °C | 12.1 °C | -9.9 °C | 58 mm |
| December 2013 | 2.5 °C | 10.4 °C | -3.3 °C | 9 mm |
| December 2012 | 0.7 °C | 11.1 °C | -10.3 °C | 75 mm |
| December 2011 | 3.2 °C | 12.5 °C | -5.0 °C | 64 mm |
| December 2010 | -0.6 °C | 14.3 °C | -15.2 °C | 59 mm |
| December 2009 | 1.9 °C | 15.5 °C | -17.6 °C | 80 mm |
| December 2008 | 3.3 °C | 12.9 °C | -7.1 °C | 67 mm |
| December 2007 | -0.3 °C | 9.6 °C | -6.6 °C | 61 mm |
| December 2006 | 3.6 °C | 15.2 °C | -4.4 °C | 13 mm |
| December 2005 | 0.8 °C | 9.3 °C | -12.2 °C | 87 mm |
| December 2004 | 1.3 °C | 10.9 °C | -5.6 °C | 46 mm |
| December 2003 | 1.0 °C | 10.0 °C | -7.7 °C | 22 mm |
| December 2002 | -0.2 °C | 9.0 °C | -9.4 °C | 58 mm |
| December 2001 | -5.2 °C | 6.2 °C | -19.8 °C | 35 mm |
| December 2000 | 3.4 °C | 13.1 °C | -7.2 °C | 58 mm |
December in nearby towns
| Town | Avg high | Avg low | Precip. | Wet days |
|---|---|---|---|---|
| Siófok | 4.6 °C | -0.8 °C | 52 mm | 10 |
| Balatonboglár | 4.1 °C | 0.4 °C | 52 mm | 9 |
| Balatonföldvár | 4.2 °C | -0.1 °C | 52 mm | 10 |
| Balatonlelle | 4.6 °C | -0.1 °C | 52 mm | 9 |
| Barcs | 5.6 °C | -0.5 °C | 60 mm | 10 |
| Csurgó | 5.3 °C | -0.1 °C | 57 mm | 9 |
| Fonyód | 4.8 °C | -0.3 °C | 53 mm | 10 |
| Igal | 5.1 °C | -0.5 °C | 56 mm | 10 |
| Kadarkút | 5.2 °C | -0.4 °C | 58 mm | 10 |
Other months in Siófok
Frequently asked questions
What is the weather like in Siófok in December?
Average highs of 4.6 °C and lows of -0.8 °C, with about 52 mm of precipitation on 10 wet days.
How hot does it get in Siófok in December?
The December record is 15.5 °C (25 December 2009); there are 0.0 days of 30 °C or more in an average December.
How much does it rain in Siófok in December?
52 mm on average; the wettest December (2023) brought 104 mm.
What was the warmest December in Siófok?
2019, with a mean of 4.0 °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.