Kassel, Hesse Weather by Month and Climate Averages

How much rain does Kassel get?

Kassel gets 649 mm of precipitation in an average year, spread over about 166 days with measurable rain. That is fewer rainy days than 54% of Germany.

July is the wettest month, with 72 mm. February is the driest, with 39 mm. December has the most rainy days, about 16.

The longest dry spell in the last five years lasted 19 days, to May 22, 2025.

Kassel weather by month

Kassel weather in January

In January, Kassel averages a high of 4°C and a low of -1°C. It gets 53 mm of precipitation over about 16 rainy days. The sun is out about 18% of daylight hours. The January record high is 14°C (2023) and the record low is -21°C (2009).

Kassel weather in February

In February, Kassel averages a high of 5°C and a low of -1°C. It gets 39 mm of precipitation over about 13 rainy days. The sun is out about 24% of daylight hours. The February record high is 19°C (2021) and the record low is -22°C (2021).

Kassel weather in March

In March, Kassel averages a high of 9°C and a low of 1°C. It gets 42 mm of precipitation over about 13 rainy days. The sun is out about 36% of daylight hours. The March record high is 24°C (2021) and the record low is -15°C (2013).

Kassel weather in April

In April, Kassel averages a high of 14°C and a low of 3°C. It gets 40 mm of precipitation over about 12 rainy days. The sun is out about 35% of daylight hours. The April record high is 27°C (2018) and the record low is -8°C (2003).

Kassel weather in May

In May, Kassel averages a high of 18°C and a low of 7°C. It gets 60 mm of precipitation over about 13 rainy days. The sun is out about 34% of daylight hours. The May record high is 31°C (2005) and the record low is -3°C (2011). May is one of the most comfortable months to visit.

Kassel weather in June

In June, Kassel averages a high of 22°C and a low of 10°C. It gets 62 mm of precipitation over about 13 rainy days. The sun is out about 38% of daylight hours. The June record high is 36°C (2026) and the record low is 0°C (1998). June is one of the most comfortable months to visit.

Kassel weather in July

In July, Kassel averages a high of 23°C and a low of 12°C. It gets 72 mm of precipitation over about 14 rainy days. The sun is out about 35% of daylight hours. The July record high is 38°C (2015) and the record low is 5°C (2019).

Kassel weather in August

In August, Kassel averages a high of 23°C and a low of 12°C. It gets 69 mm of precipitation over about 14 rainy days. The sun is out about 37% of daylight hours. The August record high is 37°C (2018) and the record low is 3°C (1999). August is one of the most comfortable months to visit.

Kassel weather in September

In September, Kassel averages a high of 19°C and a low of 9°C. It gets 52 mm of precipitation over about 12 rainy days. The sun is out about 39% of daylight hours. The September record high is 32°C (2016) and the record low is -1°C (2018). September is one of the most comfortable months to visit.

Kassel weather in October

In October, Kassel averages a high of 14°C and a low of 6°C. It gets 52 mm of precipitation over about 14 rainy days. The sun is out about 24% of daylight hours. The October record high is 26°C (2018) and the record low is -7°C (2003).

Kassel weather in November

In November, Kassel averages a high of 8°C and a low of 2°C. It gets 57 mm of precipitation over about 15 rainy days. The sun is out about 20% of daylight hours. The November record high is 21°C (2020) and the record low is -12°C (1998).

Kassel weather in December

In December, Kassel averages a high of 4°C and a low of 0°C. It gets 52 mm of precipitation over about 16 rainy days. The sun is out about 14% of daylight hours. The December record high is 17°C (2022) and the record low is -18°C (2009).

Sunshine, humidity and wind in Kassel

September is the sunniest month in Kassel, with sunshine about 39% of daylight hours. December is the cloudiest, at 14%. Over the year the sun shines about 30% of daylight hours. Kassel is cloudier than 94% of Germany.

Humidity peaks in December at 88% and is lowest in April at 67%.

Kassel has about 3 days a year above 32°C. Kassel is cooler than 66% of Germany.

First and last freeze in Kassel

The first fall freeze in Kassel typically comes around October 17, and the last spring freeze around May 2. That leaves a frost-free growing season of about 168 days.

Kassel weather records

The hottest temperature on record at the Kassel station is 38°C, on July 4, 2015. The coldest is -22°C, on February 10, 2021.

The wettest day on record brought 61 mm of rain, on August 14, 2020.

The best time to visit Kassel

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.

Winter (December–February) is cold, with average highs around 4°C and lows near -1°C.

Spring (March–May) is mild, with average highs around 14°C and lows near 4°C.

Summer (June–August) is warm, with average highs around 23°C and lows near 11°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 14°C and lows near 6°C.

Kassel climate questions

How much rain does Kassel get?

Kassel gets 649 mm of precipitation in an average year, over about 166 rainy days.

What is the wettest month in Kassel?

July is the wettest month in Kassel, with 72 mm. February is the driest, with 39 mm.

How many rainy days does Kassel have a year?

Kassel has about 166 days with measurable rain in an average year. December has the most, about 16.

What is the hottest month in Kassel?

July is the warmest month in Kassel, with an average high of 23°C.

What is the coldest month in Kassel?

January is the coldest month in Kassel, with an average low of -1°C.

What is the record high temperature in Kassel?

The record high at the Kassel station is 38°C, set on July 4, 2015. The record low is -22°C, on February 10, 2021.

What is the sunniest month in Kassel?

September is the sunniest month in Kassel, with sunshine about 39% of daylight hours. December is the cloudiest.

When is the first frost in Kassel?

The first fall freeze in Kassel typically comes around October 17. The last spring freeze is around May 2.

What is the best time to visit Kassel?

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.