Bielefeld

Summer (June to August):

• Summers in North Rhine-Westphalia are generally mild to moderately warm.
• Daytime temperatures typically range from 20-25°C (68-77°F) on average.

Fall (September to November):

• Fall brings cooler temperatures.
• Daytime highs range from 13-18°C (55-64°F) in September, gradually dropping to 5-10°C (41-50°F) in November.

Winter (December to February):

• Winters in North Rhine-Westphalia can be relatively mild but with occasional cold snaps.
• Daytime temperatures often average around 0-5°C (32-41°F), and temperatures can drop below freezing, especially at night.

Spring (March to May):

• Spring gradually warms up the region.
• Daytime highs range from 10-15°C (50-59°F) in March to 15-20°C (59-68°F) in May.