Karlsruhe, Baden-Wurttemberg Weather by Month and Climate Averages

How much rain does Karlsruhe get?

Karlsruhe gets 716 mm of precipitation in an average year, spread over about 155 days with measurable rain. That is fewer rainy days than 84% of Germany.

May is the wettest month, with 80 mm. March is the driest, with 40 mm. December has the most rainy days, about 18.

The longest dry spell in the last five years lasted 23 days, to June 7, 2023.

Karlsruhe weather by month

Karlsruhe weather in January

In January, Karlsruhe averages a high of 5°C and a low of -1°C. It gets 60 mm of precipitation over about 16 rainy days. The sun is out about 26% of daylight hours. The January record high is 18°C (2025) and the record low is -22°C (1985).

Karlsruhe weather in February

In February, Karlsruhe averages a high of 7°C and a low of -1°C. It gets 48 mm of precipitation over about 13 rainy days. The sun is out about 32% of daylight hours. The February record high is 22°C (2026) and the record low is -16°C (2012).

Karlsruhe weather in March

In March, Karlsruhe averages a high of 12°C and a low of 2°C. It gets 40 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The March record high is 26°C (2021) and the record low is -12°C (1970).

Karlsruhe weather in April

In April, Karlsruhe averages a high of 18°C and a low of 5°C. It gets 40 mm of precipitation over about 10 rainy days. The sun is out about 43% of daylight hours. The April record high is 31°C (2012) and the record low is -4°C (2020). April is one of the most comfortable months to visit.

Karlsruhe weather in May

In May, Karlsruhe averages a high of 21°C and a low of 9°C. It gets 80 mm of precipitation over about 14 rainy days. The sun is out about 39% of daylight hours. The May record high is 33°C (2009) and the record low is -1°C (1985).

Karlsruhe weather in June

In June, Karlsruhe averages a high of 24°C and a low of 13°C. It gets 64 mm of precipitation over about 12 rainy days. The sun is out about 43% of daylight hours. The June record high is 41°C (2026) and the record low is 2°C (1975). June is one of the most comfortable months to visit.

Karlsruhe weather in July

In July, Karlsruhe averages a high of 27°C and a low of 14°C. It gets 76 mm of precipitation over about 13 rainy days. The sun is out about 46% of daylight hours. The July record high is 39°C (2019) and the record low is 6°C (1977).

Karlsruhe weather in August

In August, Karlsruhe averages a high of 27°C and a low of 14°C. It gets 61 mm of precipitation over about 12 rainy days. The sun is out about 43% of daylight hours. The August record high is 39°C (2015) and the record low is 5°C (1980). August is one of the most comfortable months to visit.

Karlsruhe weather in September

In September, Karlsruhe averages a high of 22°C and a low of 11°C. It gets 47 mm of precipitation over about 9 rainy days. The sun is out about 45% of daylight hours. The September record high is 33°C (2016) and the record low is 0°C (1971). September is one of the most comfortable months to visit.

Karlsruhe weather in October

In October, Karlsruhe averages a high of 16°C and a low of 7°C. It gets 58 mm of precipitation over about 13 rainy days. The sun is out about 28% of daylight hours. The October record high is 29°C (1977) and the record low is -6°C (1972).

Karlsruhe weather in November

In November, Karlsruhe averages a high of 10°C and a low of 3°C. It gets 64 mm of precipitation over about 14 rainy days. The sun is out about 29% of daylight hours. The November record high is 22°C (2020) and the record low is -9°C (1983).

Karlsruhe weather in December

In December, Karlsruhe averages a high of 7°C and a low of 1°C. It gets 79 mm of precipitation over about 18 rainy days. The sun is out about 21% of daylight hours. The December record high is 19°C (2022) and the record low is -19°C (2010).

Sunshine, humidity and wind in Karlsruhe

July is the sunniest month in Karlsruhe, with sunshine about 46% of daylight hours. December is the cloudiest, at 21%. Over the year the sun shines about 36% of daylight hours. Karlsruhe is sunnier than 97% of Germany.

Humidity peaks in December at 86% and is lowest in July at 59%.

Karlsruhe has about 10 days a year above 32°C. Karlsruhe is hotter than 99% of Germany.

First and last freeze in Karlsruhe

The first fall freeze in Karlsruhe typically comes around October 31, and the last spring freeze around April 22. That leaves a frost-free growing season of about 192 days.

Karlsruhe weather records

The hottest temperature on record at the Karlsruhe station is 41°C, on June 27, 2026. The coldest is -22°C, on January 8, 1985.

The wettest day on record brought 98 mm of rain, on May 22, 1978.

47 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Karlsruhe

The most comfortable time to visit is typically April, June, and August to September, when daytime highs sit near 23°C.

Winter (December–February) is chilly, with average highs around 6°C and lows near 0°C.

Spring (March–May) is mild, with average highs around 17°C and lows near 5°C.

Summer (June–August) is warm, with average highs around 26°C and lows near 14°C.

Autumn (September–November) is mild, with average highs around 16°C and lows near 7°C.

Karlsruhe climate questions

How much rain does Karlsruhe get?

Karlsruhe gets 716 mm of precipitation in an average year, over about 155 rainy days.

What is the wettest month in Karlsruhe?

May is the wettest month in Karlsruhe, with 80 mm. March is the driest, with 40 mm.

How many rainy days does Karlsruhe have a year?

Karlsruhe has about 155 days with measurable rain in an average year. December has the most, about 18.

What is the hottest month in Karlsruhe?

July is the warmest month in Karlsruhe, with an average high of 27°C.

What is the coldest month in Karlsruhe?

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

What is the record high temperature in Karlsruhe?

The record high at the Karlsruhe station is 41°C, set on June 27, 2026. The record low is -22°C, on January 8, 1985.

What is the sunniest month in Karlsruhe?

July is the sunniest month in Karlsruhe, with sunshine about 46% of daylight hours. December is the cloudiest.

When is the first frost in Karlsruhe?

The first fall freeze in Karlsruhe typically comes around October 31. The last spring freeze is around April 22.

What is the best time to visit Karlsruhe?

The most comfortable time to visit is typically April, June, and August to September, when daytime highs sit near 23°C.