Bielefeld, Germany Climate & Monthly Averages

Bielefeld has an oceanic climate. August is the hottest month, averaging 74° by day; January is the coldest at 41°.

Germany 🇩🇪 · oceanic climate
Annual avg
51°
Hottest month
August
Coldest month
January
Rainy days / yr
162
Sunshine
7.5 h/day
Right now: 45° and overcast - see live conditions

How weather changes through the year in Bielefeld

Bielefeld is a oceanic city - mild temperatures year-round with regular rainfall. August is the warmest month at 74°F (24°C) and January the coolest at 41°F (5°C), over 35.9 inches (911 mm) of precipitation a year.

Bielefeld climate quick facts

  • Hottest month: August - highs near 74°F (24°C)
  • Coldest month: January - highs near 41°F (5°C)
  • Decade extremes (2015-2024): 99°F (37°C) high · 1°F (-17°C) low
  • Wettest month: January (17 rainy days) · Sunniest: June (11.4 h sun/day)
  • Climate type: oceanic
  • Annual swing: 16°C between the average warmest and coolest month · day to night: 7°C
  • Snow: about 12 days a year
  • Average humidity: 77%

Temperatures, rain and sunshine

January is the coolest month, with highs of 41°F (5°C) and lows near 33°F (1°C). At its warmest, in August, Bielefeld runs to 74°F (24°C) in the afternoon and back to 59°F (15°C) by dawn. Precipitation concentrates in January - 3.6 inches (93 mm) on 17 days - and thins out by April.

Snow falls on roughly 12 days a year, mostly November through April. Days and nights are about 7°C apart on average - narrower than about 76% of the cities we track. June is the brightest month at 11.4 hours of sun a day, against an annual average of 7.5 - duller than all but 7% of the 3496 cities in our dataset.

Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June. The gridded 2015-2024 daily record for this location tops out at 99°F (37°C) and bottoms at 1°F (-17°C) - decade extremes, not all-time station records.

Where Bielefeld sits among other climates

  • Bielefeld sits close to the middle of our dataset on most measures: 51°F (11°C) as an annual average, 35.9 inches (911 mm) of precipitation and 7.5 hours of sun a day.

These comparisons use the same ten-year window for every city in the dataset.

Monthly climate table

Monthly averages for Bielefeld based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 41° 33° 17 3.6 in 2.9 h/day 8.2 h 55% 87%
February 44° 34° 14 3.4 in 5.0 h/day 9.8 h 48% 82%
March 50° 36° 14 2.9 in 6.9 h/day 11.7 h 44% 77%
April 56° 40° 12 2.2 in 9.6 h/day 13.8 h 40% 71%
May 65° 48° 12 2.3 in 11.0 h/day 15.7 h 38% 69%
June 72° 56° 12 2.8 in 11.4 h/day 16.7 h 39% 69%
July 74° 58° 14 3.0 in 11.2 h/day 16.3 h 45% 69%
August 74° 59° 14 3.2 in 10.7 h/day 14.6 h 44% 71%
September 67° 53° 11 2.6 in 9.0 h/day 12.6 h 37% 75%
October 58° 47° 13 3.1 in 5.7 h/day 10.5 h 43% 82%
November 48° 39° 15 3.1 in 4.0 h/day 8.7 h 50% 87%
December 44° 36° 16 3.6 in 2.6 h/day 7.8 h 52% 88%

Bielefeld month by month

Each card shows the average high and low. The bar places that month between Bielefeld's coldest night and warmest afternoon.

January

ColdestWettest
41°33°
Rain
17 days
Sunshine
2.9 h
Daylight
8.2 h
Snow
4 days

February

44°34°
Rain
14 days
Sunshine
5.0 h
Daylight
9.8 h
Snow
2 days

March

50°36°
Rain
14 days
Sunshine
6.9 h
Daylight
11.7 h
Snow
1 day

April

Driest
56°40°
Rain
12 days
Sunshine
9.6 h
Daylight
13.8 h

May

65°48°
Rain
12 days
Sunshine
11.0 h
Daylight
15.7 h

June

Sunniest
72°56°
Rain
12 days
Sunshine
11.4 h
Daylight
16.7 h

July

74°58°
Rain
14 days
Sunshine
11.2 h
Daylight
16.3 h

August

Hottest
74°59°
Rain
14 days
Sunshine
10.7 h
Daylight
14.6 h

September

67°53°
Rain
11 days
Sunshine
9.0 h
Daylight
12.6 h

October

58°47°
Rain
13 days
Sunshine
5.7 h
Daylight
10.5 h

November

48°39°
Rain
15 days
Sunshine
4.0 h
Daylight
8.7 h
Snow
2 days

December

44°36°
Rain
16 days
Sunshine
2.6 h
Daylight
7.8 h
Snow
2 days

Looking for warmer alternatives? Browse warm places by month, or compare Bielefeld's coolest part of the year: January, December, February.

A season-by-season guide to Bielefeld

Spring (March through May)

Through spring, Bielefeld is mild: 57°F (14°C) by day, 41°F (5°C) after dark, and rain falls on around 37 of the 90 days.

Summer (June through August)

Summer is pleasantly warm here - highs near 73°F (23°C), nights near 57°F (14°C), and rain falls on around 39 of the 90 days. Daylight is generous - around 11.1 hours of sun a day.

Fall (September through November)

Fall in Bielefeld runs cool rather than cold, with daytime highs averaging 58°F (14°C) and nights around 46°F (8°C); rain falls on around 39 of the 90 days.

Winter (December through February)

Winter in Bielefeld runs cold, with daytime highs averaging 43°F (6°C) and nights around 34°F (1°C); rain falls on around 47 of the 90 days, plus about 8 snowy days. Sun is scarce, averaging 3.5 hours a day.

Questions people ask about Bielefeld's climate

What is the average temperature in Bielefeld?
51°F (11°C) across all twelve months - about 58°F (14°C) by day and 45°F (7°C) after dark.
How sunny is Bielefeld?
7.5 hours a day averaged over the year, peaking in June at 11.4 hours.
Is Bielefeld cold in winter?
January nights average 33°F (1°C). Chilly rather than harsh - hard freezes are uncommon.
How many rainy days does Bielefeld get in a year?
About 162 days bring measurable precipitation, totalling 35.9 inches (911 mm). That works out at roughly 5.6 mm on an average wet day.
What should I pack for Bielefeld?
It depends on the month: August runs to 74°F (24°C) while January holds at 41°F (5°C). The full month-by-month breakdown is in the packing notes above.

The most useful weather window for Bielefeld

Best time to visit Bielefeld

April to June and September is the sweet spot for Bielefeld - warm days, manageable rainfall and plenty of daylight line up. Expect 65°F (18°C) in the afternoon and around 12 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in April.

What to pack

Pack for Bielefeld with a heavy insulated coat, hat and gloves for winter and proper waterproofs rather than an umbrella - wet days are the norm here. August nights average 59°F (15°C), so evenings rarely match the afternoons.

Bielefeld temperature extremes in the 2015–2024 dataset

Highest daily value
99°
in July
Lowest daily value
1°
in February
Annual precipitation
35.9"
Snowy days / yr
12

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.