Wiesbaden, Germany Climate & Monthly Averages
Wiesbaden has an oceanic climate. August is the hottest month, averaging 78° by day; January is the coldest at 41°.
How weather changes through the year in Wiesbaden
Weather in Wiesbaden follows a oceanic pattern. The warmest and coolest months, August and January, average 78°F (26°C) and 41°F (5°C) by day; nights in those months run 62°F (17°C) and 33°F (1°C).
Wiesbaden climate quick facts
- Hottest month: August - highs near 78°F (26°C)
- Coldest month: January - highs near 41°F (5°C)
- Decade extremes (2015-2024): 102°F (39°C) high · 15°F (-10°C) low
- Wettest month: December (14 rainy days) · Sunniest: July (12.2 h sun/day)
- Climate type: oceanic
- Annual swing: 18°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 9 days a year
- Average humidity: 76%
Temperatures, rain and sunshine
At its warmest, in August, Wiesbaden runs to 78°F (26°C) in the afternoon and back to 62°F (17°C) by dawn. January bottoms out at 41°F (5°C) in daylight, 33°F (1°C) after dark. The gridded 2015-2024 daily record for this location tops out at 102°F (39°C) and bottoms at 15°F (-10°C) - decade extremes, not all-time station records. Precipitation concentrates in December - 2.9 inches (74 mm) on 14 days - and thins out by April.
Days and nights are about 7°C apart on average - narrower than about 76% of the cities we track. Five of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through September. Snow falls on roughly 9 days a year, mostly November through April. July is the brightest month at 12.2 hours of sun a day, against an annual average of 8.0 - duller than about 83% of the cities we track.
Where Wiesbaden sits among other climates
- 28% of the year's precipitation falls in its wettest three months - more evenly spread than almost every other city 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 | 41° | 33° | 14 | 2.8 in | 3.6 h/day | 8.5 h | 45% | 86% |
| February | 46° | 35° | 11 | 2.1 in | 5.7 h/day | 10.0 h | 40% | 81% |
| March | 52° | 38° | 13 | 2.3 in | 7.6 h/day | 11.7 h | 42% | 76% |
| April | 59° | 43° | 11 | 2.0 in | 10.1 h/day | 13.7 h | 37% | 68% |
| May | 67° | 51° | 12 | 2.8 in | 11.1 h/day | 15.4 h | 37% | 68% |
| June | 75° | 59° | 11 | 2.6 in | 11.9 h/day | 16.4 h | 37% | 66% |
| July | 78° | 61° | 11 | 2.4 in | 12.2 h/day | 16.0 h | 34% | 64% |
| August | 78° | 62° | 10 | 2.3 in | 11.1 h/day | 14.5 h | 32% | 67% |
| September | 70° | 55° | 9 | 2.2 in | 9.5 h/day | 12.5 h | 31% | 72% |
| October | 59° | 48° | 12 | 2.6 in | 6.0 h/day | 10.6 h | 37% | 83% |
| November | 49° | 40° | 14 | 2.5 in | 4.0 h/day | 8.9 h | 47% | 88% |
| December | 44° | 36° | 14 | 2.9 in | 2.8 h/day | 8.1 h | 44% | 90% |
Wiesbaden month by month
Each card shows the average high and low. The bar places that month between Wiesbaden's coldest night and warmest afternoon.
January
- Rain
- 14 days
- Sunshine
- 3.6 h
- Daylight
- 8.5 h
- Snow
- 3 days
February
- Rain
- 11 days
- Sunshine
- 5.7 h
- Daylight
- 10.0 h
March
- Rain
- 13 days
- Sunshine
- 7.6 h
- Daylight
- 11.7 h
April
- Rain
- 11 days
- Sunshine
- 10.1 h
- Daylight
- 13.7 h
May
- Rain
- 12 days
- Sunshine
- 11.1 h
- Daylight
- 15.4 h
June
- Rain
- 11 days
- Sunshine
- 11.9 h
- Daylight
- 16.4 h
July
- Rain
- 11 days
- Sunshine
- 12.2 h
- Daylight
- 16.0 h
August
- Rain
- 10 days
- Sunshine
- 11.1 h
- Daylight
- 14.5 h
September
- Rain
- 9 days
- Sunshine
- 9.5 h
- Daylight
- 12.5 h
October
- Rain
- 12 days
- Sunshine
- 6.0 h
- Daylight
- 10.6 h
November
- Rain
- 14 days
- Sunshine
- 4.0 h
- Daylight
- 8.9 h
- Snow
- 1 day
December
- Rain
- 14 days
- Sunshine
- 2.8 h
- Daylight
- 8.1 h
- Snow
- 2 days
Looking for warmer alternatives? Browse warm places by month, or compare Wiesbaden's coolest part of the year: January, December, February.
A season-by-season guide to Wiesbaden
Spring (March through May)
Spring stays on the cool side of mild here - highs near 59°F (15°C), nights near 44°F (7°C), and rain falls on around 36 of the 90 days.
Summer (June through August)
Summer in Wiesbaden brings comfortable warmth, with daytime highs averaging 77°F (25°C) and nights around 61°F (16°C); rain falls on around 32 of the 90 days. Daylight is generous - around 11.7 hours of sun a day.
Fall (September through November)
Fall in Wiesbaden is mild, with daytime highs averaging 59°F (15°C) and nights around 48°F (9°C); rain falls on around 35 of the 90 days.
Winter (December through February)
Winter runs cold here - highs near 43°F (6°C), nights near 35°F (2°C), and rain falls on around 39 of the 90 days, plus about 7 snowy days.
Questions people ask about Wiesbaden's climate
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The most useful weather window for Wiesbaden
Best time to visit Wiesbaden
The best time to visit Wiesbaden is generally April to September, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 71°F (22°C), with rain on about 11 days a month. For the same question asked the other way round, see where else is warm in April.
What to pack
Pack for Wiesbaden with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: August pairs 78°F (26°C) with 62°F (17°C).
Wiesbaden 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.