Hamm weather by month
Warmest month
August
24°C average high
Coolest month
January
1°C average low
Wettest month
December
82 mm of rain
Driest month
April
50 mm of rain
Average temperature and rainfall in Hamm by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 5°C | 1°C | -11°C / 13°C | 74 mm | 86% | 15 km/h |
| February | 8°C | 2°C | -7°C / 19°C | 54 mm | 78% | 16 km/h |
| March | 10°C | 3°C | -6°C / 18°C | 60 mm | 76% | 14 km/h |
| April | 14°C | 5°C | -1°C / 24°C | 50 mm | 73% | 14 km/h |
| May | 18°C | 8°C | 1°C / 27°C | 60 mm | 71% | 11 km/h |
| June | 23°C | 13°C | 8°C / 36°C | 65 mm | 72% | 11 km/h |
| July | 24°C | 15°C | 9°C / 40°C | 60 mm | 72% | 12 km/h |
| August | 24°C | 15°C | 7°C / 34°C | 67 mm | 71% | 11 km/h |
| September | 21°C | 12°C | 4°C / 33°C | 65 mm | 77% | 12 km/h |
| October | 15°C | 9°C | 3°C / 26°C | 74 mm | 83% | 14 km/h |
| November | 10°C | 5°C | -1°C / 17°C | 65 mm | 86% | 14 km/h |
| December | 7°C | 3°C | -6°C / 13°C | 82 mm | 85% | 16 km/h |
Frost and snow-likely months in Hamm
Nights in Hamm average 2°C or below in 2 months (January and February). No month combines freezing average lows with 10 mm or more of precipitation, so snow is uncommon. The coldest month is January with an average low of 1°C and a record low of -11°C.
- January: average low 1°C, record low -11°C, 74 mm of precipitation
- February: average low 2°C, record low -7°C, 54 mm of precipitation
These records carry temperature and precipitation, not snowfall totals.
Best time to visit Hamm
The most comfortable time to visit Hamm is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around December, totalling about 775 mm a year.
Travellers who prefer heat should aim for August, when highs average 24°C. December is the month to avoid if rain would spoil your plans — it averages 82 mm, roughly 2× the rainfall of the driest month (April).
Hamm climate: your questions
Does Hamm get snow?
Rarely: nights dip to 2°C or below only in January and February, and the coldest month, January, averages a low of 1°C (record low -11°C), so snow is uncommon. Our records carry temperature and precipitation, not snowfall totals. What is falling now: Hamm weather today.
When is it going to snow in Hamm this month?
Hamm's winter months average lows of 3°C in December, 1°C in January and 2°C in February, with about 210 mm of precipitation across the three; 0 of them sit at or below 0°C, so snow is unlikely. The records hold no snowfall totals. The next 15 days: Hamm 10-day forecast.
When is the best time to visit Hamm?
June to August are the most comfortable months in Hamm, with highs near 24°C. August is the warmest month, averaging 24°C by day; December is the wettest, with 82 mm; and January is the coolest, with lows near 1°C. What it is doing today: Hamm weather today.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Hamm forecast for what is happening now.
Weather across Germany right now
- Aachen8°C
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