Wiesbaden climate: monthly averages: annual mean temperature 9.7 C; warmest month Jul (19.9 C); coldest month Jan (0.1 C).
Annual mean temperature: 9.7 C
Warmest month: Jul (19.9 C)
Coldest month: Jan (0.1 C)
Wettest month: May (2.27 mm/day)
All-time record high: 39.2 C
All-time record low: -18.6 C
Wiesbaden’s long-term climate averages show a mild but variable year-round pattern, with an annual mean temperature of **9.7°C**. July is the warmest month at **19.9°C**, while January dips to **0.1°C**, and rainfall averages **701 mm yearly** (about **1.92 mm/day**). May is the wettest month, with daily averages peaking at **2.27 mm**. Extreme temperatures range from **-18.6°C** in winter to **39.2°C** in summer, reflecting occasional heatwaves and cold snaps.
Annual mean temperature 9.7 C
Warmest month Jul (19.9 C)
Coldest month Jan (0.1 C)
Wettest month May (2.27 mm/day)
All-time record high 39.2 C
All-time record low -18.6 C
Annual precipitation 701 mm / year
Coordinates 50.08601, 8.24435
Population 288,850
Average monthly temperature and rainfall in Wiesbaden
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
0.1
1.92
12.4
-18.6
Feb
1.0
1.73
16.2
-18.5
Mar
4.5
1.62
19.8
-12.0
Apr
9.2
1.42
25.7
-5.2
May
13.4
2.27
31.5
-1.4
Jun
17.5
2.07
37.3
4.2
Jul
19.9
2.15
39.2
6.5
Aug
19.3
2.16
38.6
5.4
Sep
14.9
1.65
32.1
1.9
Oct
9.7
1.81
25.9
-5.4
Nov
4.7
1.98
20.2
-5.7
Dec
1.1
2.20
13.4
-14.3
What the Wiesbaden climate table shows
Values are multi-decadal climatological averages for the 50.08601, 8.24435 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
**What’s Wiesbaden’s coldest month?**?
January averages **0.1°C**, with record lows dropping to **-18.6°C** in severe winters.
**Does Wiesbaden get much rain?**?
Annual rainfall totals **701 mm**, with May being the wettest month at **2.27 mm/day** on average.