Karlsruhe, Germany Climate & Monthly Averages
Karlsruhe has an oceanic climate. July is the hottest month, averaging 80° by day; January is the coldest at 42°.
How weather changes through the year in Karlsruhe
Karlsruhe runs on a dry-summer rhythm: the warmest months are also the driest. July averages 2.0 inches (52 mm) while the wet season peaks in January at 3.4 inches (87 mm). Highs range from 42°F (6°C) to 80°F (26°C).
Karlsruhe climate quick facts
- Hottest month: July - highs near 80°F (26°C)
- Coldest month: January - highs near 42°F (6°C)
- Decade extremes (2015-2024): 100°F (38°C) high · 10°F (-12°C) low
- Wettest month: January (15 rainy days) · Sunniest: July (12.6 h sun/day)
- Climate type: oceanic
- Annual swing: 18°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 6 days a year
- Average humidity: 74%
Temperatures, rain and sunshine
At its warmest, in July, Karlsruhe runs to 80°F (26°C) in the afternoon and back to 61°F (16°C) by dawn. January is the coolest month, with highs of 42°F (6°C) and lows near 33°F (0°C). Snow falls on roughly 6 days a year, mostly November through February.
July is the brightest month at 12.6 hours of sun a day, against an annual average of 8.3 - duller than about 75% of the cities we track. The wettest month is January (3.4 inches (87 mm) across 15 days) and the driest July. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through September.
Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum 10°F (-12°C).
Where Karlsruhe sits among other climates
- 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 42° | 33° | 15 | 3.4 in | 4.1 h/day | 8.7 h | 49% | 83% |
| February | 47° | 34° | 12 | 2.6 in | 6.1 h/day | 10.1 h | 41% | 78% |
| March | 53° | 37° | 12 | 2.6 in | 8.0 h/day | 11.7 h | 40% | 73% |
| April | 60° | 42° | 11 | 2.4 in | 10.1 h/day | 13.6 h | 36% | 69% |
| May | 67° | 50° | 13 | 3.3 in | 11.0 h/day | 15.3 h | 42% | 70% |
| June | 77° | 59° | 12 | 2.8 in | 11.8 h/day | 16.2 h | 39% | 67% |
| July | 80° | 61° | 11 | 2.0 in | 12.6 h/day | 15.8 h | 34% | 62% |
| August | 80° | 62° | 10 | 2.1 in | 11.1 h/day | 14.4 h | 32% | 66% |
| September | 71° | 55° | 9 | 2.2 in | 9.7 h/day | 12.5 h | 30% | 70% |
| October | 62° | 48° | 12 | 2.9 in | 6.7 h/day | 10.7 h | 39% | 80% |
| November | 50° | 39° | 12 | 2.9 in | 4.8 h/day | 9.1 h | 41% | 85% |
| December | 45° | 36° | 14 | 3.1 in | 3.6 h/day | 8.2 h | 45% | 85% |
Karlsruhe month by month
Each card shows the average high and low. The bar places that month between Karlsruhe's coldest night and warmest afternoon.
January
- Rain
- 15 days
- Sunshine
- 4.1 h
- Daylight
- 8.7 h
- Snow
- 3 days
February
- Rain
- 12 days
- Sunshine
- 6.1 h
- Daylight
- 10.1 h
- Snow
- 1 day
March
- Rain
- 12 days
- Sunshine
- 8.0 h
- Daylight
- 11.7 h
April
- Rain
- 11 days
- Sunshine
- 10.1 h
- Daylight
- 13.6 h
May
- Rain
- 13 days
- Sunshine
- 11.0 h
- Daylight
- 15.3 h
June
- Rain
- 12 days
- Sunshine
- 11.8 h
- Daylight
- 16.2 h
July
- Rain
- 11 days
- Sunshine
- 12.6 h
- Daylight
- 15.8 h
August
- Rain
- 10 days
- Sunshine
- 11.1 h
- Daylight
- 14.4 h
September
- Rain
- 9 days
- Sunshine
- 9.7 h
- Daylight
- 12.5 h
October
- Rain
- 12 days
- Sunshine
- 6.7 h
- Daylight
- 10.7 h
November
- Rain
- 12 days
- Sunshine
- 4.8 h
- Daylight
- 9.1 h
December
- Rain
- 14 days
- Sunshine
- 3.6 h
- Daylight
- 8.2 h
- Snow
- 1 day
Looking for warmer alternatives? Browse warm places by month, or compare Karlsruhe's coolest part of the year: January, December, February.
A season-by-season guide to Karlsruhe
Spring (March through May)
Spring is crisp but comfortable here - highs near 60°F (16°C), nights near 43°F (6°C), and rain falls on around 36 of the 90 days.
Summer (June through August)
Summer settles into easy warmth here - highs near 79°F (26°C), nights near 61°F (16°C), and rain falls on around 32 of the 90 days. Daylight is generous - around 11.8 hours of sun a day.
Fall (September through November)
Fall is crisp but comfortable here - highs near 61°F (16°C), nights near 47°F (8°C), and rain falls on around 33 of the 90 days.
Winter (December through February)
Winter is chilly here - highs near 45°F (7°C), nights near 34°F (1°C), and rain falls on around 41 of the 90 days, plus about 5 snowy days.
Questions people ask about Karlsruhe's climate
Is Karlsruhe cold in winter?
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What is the average temperature in Karlsruhe?
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The most useful weather window for Karlsruhe
Best time to visit Karlsruhe
Aim for June to September and April if you get the choice: the dry season is running but the afternoons are still bearable, and highs average 74°F (23°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in June.
What to pack
Pack for Karlsruhe with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. July nights average 61°F (16°C), so evenings rarely match the afternoons.
Karlsruhe temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.