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Darmstadt, Hesse Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Darmstadt, Hesse?
Darmstadt, Hesse gets 714 mm of precipitation a year over about 165 rainy days. July is the warmest month (average high 26°C) and January the coldest (average low -1°C).
Oceanic climate
Darmstadt, Hesse has warm summers and chilly winters. Daytime highs range from about 5°C in January to 26°C in July. July is usually the wettest month. The most comfortable time to visit is typically April to June and August to September, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | -1° | 6° |
| Spring | Mar–May | 4° | 16° |
| Summer | Jun–Aug | 13° | 25° |
| Autumn | Sep–Nov | 6° | 15° |
How much rain does Darmstadt get?
Darmstadt gets 714 mm of precipitation in an average year, spread over about 165 days with measurable rain. That is fewer rainy days than 56% of Germany.
July is the wettest month, with 76 mm. April is the driest, with 42 mm. December has the most rainy days, about 17.
The longest dry spell in the last five years lasted 21 days, to August 26, 2025.
From October 2025 to September 2026 Darmstadt got 453 mm of rain, against a normal of 714 mm for those months. January 2026 had the most, with 73 mm.
Darmstadt weather by month
Darmstadt weather in January
In January, Darmstadt averages a high of 4°C and a low of -1°C. It gets 50 mm of precipitation over about 15 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The January record high is 16°C (1999) and the record low is -19°C (2009).
Darmstadt weather in February
In February, Darmstadt averages a high of 7°C and a low of -1°C. It gets 50 mm of precipitation over about 14 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The February record high is 19°C (2021) and the record low is -18°C (2012).
Darmstadt weather in March
In March, Darmstadt averages a high of 12°C and a low of 1°C. It gets 52 mm of precipitation over about 14 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The March record high is 26°C (2021) and the record low is -16°C (2005).
Darmstadt weather in April
In April, Darmstadt averages a high of 17°C and a low of 4°C. It gets 42 mm of precipitation over about 12 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (2012) and the record low is -8°C (2003). April is one of the most comfortable months to visit.
Darmstadt weather in May
In May, Darmstadt averages a high of 21°C and a low of 8°C. It gets 74 mm of precipitation over about 14 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The May record high is 33°C (2017) and the record low is -2°C (2011). May is one of the most comfortable months to visit.
Darmstadt weather in June
In June, Darmstadt averages a high of 24°C and a low of 12°C. It gets 60 mm of precipitation over about 13 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The June record high is 41°C (2026) and the record low is 2°C (2005). June is one of the most comfortable months to visit.
Darmstadt weather in July
In July, Darmstadt averages a high of 26°C and a low of 13°C. It gets 76 mm of precipitation over about 14 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2019) and the record low is 4°C (2019).
Darmstadt weather in August
In August, Darmstadt averages a high of 26°C and a low of 13°C. It gets 70 mm of precipitation over about 13 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (2015) and the record low is 4°C (2016). August is one of the most comfortable months to visit.
Darmstadt weather in September
In September, Darmstadt averages a high of 21°C and a low of 9°C. It gets 56 mm of precipitation over about 12 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The September record high is 33°C (2016) and the record low is 1°C (2008). September is one of the most comfortable months to visit.
Darmstadt weather in October
In October, Darmstadt averages a high of 15°C and a low of 6°C. It gets 60 mm of precipitation over about 14 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The October record high is 27°C (2018) and the record low is -7°C (2003).
Darmstadt weather in November
In November, Darmstadt averages a high of 9°C and a low of 2°C. It gets 58 mm of precipitation over about 15 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The November record high is 23°C (2020) and the record low is -9°C (2025).
Darmstadt weather in December
In December, Darmstadt averages a high of 6°C and a low of 0°C. It gets 65 mm of precipitation over about 17 rainy days. Estimated sunshine is 17% of daylight hours, derived from ERA5 cloud cover. The December record high is 18°C (2022) and the record low is -19°C (2009).
Sunshine, humidity and wind in Darmstadt
September is the sunniest month in Darmstadt, with estimated sunshine of 44% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 17%. The annual cloud-cover estimate is 34% of daylight hours; it is not a measurement of sunshine duration. Darmstadt is sunnier than 81% of Germany.
Humidity peaks in December at 88% and is lowest in July at 58%.
Darmstadt has about 8 days a year above 32°C. Darmstadt is hotter than 97% of Germany.
First and last freeze in Darmstadt
The first fall freeze in Darmstadt typically comes around October 20, and the last spring freeze around April 24. That leaves a frost-free growing season of about 179 days.
Darmstadt weather records
These records cover DARMSTADT during 1995–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Darmstadt station is 41°C, on June 27, 2026. The coldest is -19°C, on December 19, 2009.
The wettest day in the available station history brought 58 mm of precipitation, on July 28, 2012.
41 all-time records have been set at the station since 1995.
The annual mean temperature has changed by +0.4°C per decade since 1996.
The best time to visit Darmstadt
The most comfortable time to visit is typically April to June and August to September, when daytime highs sit near 22°C.
Winter (December–February) is chilly, with average highs around 6°C and lows near -1°C.
Spring (March–May) is mild, with average highs around 16°C and lows near 4°C.
Summer (June–August) is warm, with average highs around 25°C and lows near 13°C.
Autumn (September–November) is mild, with average highs around 15°C and lows near 6°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -1° | 4° | 50 mm | 15 | 85% | 21% | 16° | -19° |
| February | -1° | 7° | 50 mm | 14 | 78% | 29% | 19° | -18° |
| March | 1° | 12° | 52 mm | 14 | 68% | 40% | 26° | -16° |
| April | 4° | 17° | 42 mm | 12 | 63% | 42% | 32° | -8° |
| May | 8° | 21° | 74 mm | 14 | 65% | 39% | 33° | -2° |
| June | 12° | 24° | 60 mm | 13 | 61% | 42% | 41° | 2° |
| July | 13° | 26° | 76 mm | 14 | 58% | 42% | 39° | 4° |
| August | 13° | 26° | 70 mm | 13 | 63% | 42% | 39° | 4° |
| September | 9° | 21° | 56 mm | 12 | 70% | 44% | 33° | 1° |
| October | 6° | 15° | 60 mm | 14 | 82% | 27% | 27° | -7° |
| November | 2° | 9° | 58 mm | 15 | 86% | 24% | 23° | -9° |
| December | 0° | 6° | 65 mm | 17 | 88% | 17% | 18° | -19° |
Station: DARMSTADT, 2 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1995–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Darmstadt climate questions
How much rain does Darmstadt get?
Darmstadt gets 714 mm of precipitation in an average year, over about 165 rainy days.
What is the wettest month in Darmstadt?
July is the wettest month in Darmstadt, with 76 mm. April is the driest, with 42 mm.
How many rainy days does Darmstadt have a year?
Darmstadt has about 165 days with measurable rain in an average year. December has the most, about 17.
What is the hottest month in Darmstadt?
July is the warmest month in Darmstadt, with an average high of 26°C.
What is the coldest month in Darmstadt?
January is the coldest month in Darmstadt, with an average low of -1°C.
What is the record high temperature in Darmstadt?
Within the available 1995–2026 station history, the record high at the Darmstadt station is 41°C, set on June 27, 2026. The record low is -19°C, on December 19, 2009.
What is the sunniest month in Darmstadt?
September is the sunniest month in Darmstadt, with estimated sunshine of 44% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Darmstadt?
The first fall freeze in Darmstadt typically comes around October 20. The last spring freeze is around April 24.
What is the best time to visit Darmstadt?
The most comfortable time to visit is typically April to June and August to September, when daytime highs sit near 22°C.