WEATHERblaze

Bremen Historical Weather Data & Climate

Historical Climate Data for 3 Cities
1981–2025
Germany

Quick Climate Facts

(19812025)
Hottest City
🔥
Ritterhude
Jul High 29.1°C
Coldest City
❄️
Ritterhude
Jan Low -8.9°C
Wettest City
🌧
Bremerhaven
794 mm/yr
Driest City
🏜️
Ritterhude
771 mm/yr
Hottest Month
🌡
July
Avg 19.0°C
Max 28.8°C
Coldest Month
🧊
January
Avg 0.4°C
Min -8.7°C
Cities With Data
🏙️
3
cities in Bremen
Data Coverage
📅
45 yrs
19812025

Bremen Climate Overview

Bremen has a temperate climate with warm summers and cold winters.

Bremen has an average annual temperature of 9.8°C across all 3 cities, with approximately 778 mm of annual precipitation and average humidity of 86%. Temperatures peak in July and drop to their lowest in January, while rainfall is highest during summer months.

The warmest city is Ritterhude with average July highs of 29.1°C, while Ritterhude is the coldest with average January lows of -8.9°C. Humidity remains high throughout the year, especially during winter months, creating cold and damp conditions. These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🏙️ Cities in Bremen — Weather History

📊 Bremen Monthly Climate Data

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January🌤️9.4°C-8.7°C0.4°C94%734.00.60
February🌤️10.4°C-7.5°C1.4°C91%533.91.30
March🌤️15.5°C-4.4°C5.6°C87%583.62.40
April🌤️20.3°C-2.0°C9.2°C82%453.14.00
May🌤️24.2°C2.3°C13.2°C80%572.95.10
June☀️27.3°C6.6°C16.9°C80%722.95.30
July☀️28.8°C9.2°C19.0°C79%772.85.10
August☀️28.7°C9.0°C18.9°C79%682.74.30
September☀️24.5°C6.0°C15.3°C82%642.93.00
October🌤️19.7°C0.7°C10.2°C88%703.31.70
November🌤️13.8°C-3.1°C5.4°C93%673.30.80
December🌤️10.2°C-6.7°C1.8°C95%753.60.50

Showing average climate conditions across 45 years (1981–2025) · averaged across all 3 cities in Bremen

🌦 Weather in Bremen Across Seasons

❄️ Winter in Bremen

January is Bremen's coldest month, with average lows reaching -8.7°C.
🌡️December to February (avg) · -7.6°C10.0°C

🧥 Expect frosty nights and below-freezing temperatures during this Cold Winter period.

☀️ Summer in Bremen

Summer temperatures in Bremen peak in July, climbing to 28.8°C.
🌡️June to August (avg) · 8.3°C28.3°C

🌤️ Conditions are ideal for outdoor activities throughout the day in this Mild Summer.

🌧️ Rainiest Period in Bremen

Bremen sees its highest rainfall in July, receiving approximately 77 mm of precipitation.
🌧️July to January (avg) ·  up to 77 mm

☔ Rainfall is spread across the year with no sharply defined wet season.

📈 Bremen Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 3 cities · 19812025 · °C

🌡️ Bremen Monthly Temperature Guide

July is the hottest month in Bremen, with average highs reaching 28.8°C, while January is the coldest with lows dropping to -8.7°C.

Temperatures rise steadily from spring, peak in July, and gradually decline through autumn into winter.

These seasonal patterns make summer pleasant for travel, while winters can bring frost and occasional snowfall.

🌧️ Rainfall Distribution

Region-wide monthly rainfall · 19812025 · mm/month

💨 Humidity & Wind Speed

Monthly averages · 19812025

🌧 Rainfall & Humidity in Bremen

Bremen receives its highest rainfall in July, while humidity peaks during winter months.
🌧️ Wettest: July77 mm☀️ Driest: April45 mm

💧 Humidity peaks at 95% in December · annual avg 86%

📅 Bremen Yearly Climate Trends

The warmest year on record was 2024 (avg: 11.5°C), while the coldest year was 1987 (avg: 7.4°C).

📊 Key Climate Trends

  • 🌡️ Bremen's temperature shows a slight warming trend over the past decade
  • 📈 Minimum temperatures show a slight warming trend in recent years
  • 🌧️ Rainfall has increased noticeably in recent years compared to earlier periods

🌡️ Annual Temperature Trend

View Range:

Averaged across all 3 cities in Bremen · Last 10 years · °C

Bremen's temperature shows a slight warming trend over the past decade. The region-wide average sits at 9.8°C with annual rainfall averaging 778 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 3 cities in Bremen · Last 10 years · mm/year

Annual rainfall in Bremen shows noticeable variation. Rainfall has increased noticeably in recent years compared to earlier periods.
📅 Yearly Climate Data Overview

🔥 hottest  ·  ❄️ coldest  ·  🌧️ wettest

ℹ️ Values are averages across all 3 cities in Bremen for each year.

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025
1.0°C11.0°C20.9°C63685%3.1 m/s
2024
2.4°C11.5°C20.7°C103088%3.3 m/s
2023 🌧️
1.4°C11.0°C20.7°C109085%3.4 m/s
2022
1.5°C11.5°C21.4°C68682%3.3 m/s
2021
0.4°C10.1°C19.8°C80687%3.0 m/s
2020
1.6°C11.1°C20.5°C74283%3.3 m/s
2019
1.3°C11.3°C21.2°C73482%3.3 m/s
2018 🔥
-0.2°C10.7°C21.6°C52882%3.2 m/s
2017
1.3°C10.4°C19.4°C88486%3.2 m/s
2016
0.9°C10.3°C19.6°C66386%3.0 m/s

Showing 1 to 10 of 45 years

🏙️ Explore More Cities in Bremen

❓ Frequently Asked Questions

What is the hottest city in Bremen?
Ritterhude is the hottest city in Bremen with an average July high of 29.1°C based on 45 years of data. View Ritterhude weather history →
What is the coldest city in Bremen?
Ritterhude is the coldest city with average January lows of -8.9°C. View Ritterhude weather history →
Which city in Bremen gets the most rain?
Bremerhaven is the wettest city in Bremen with approximately 794 mm of annual precipitation on average.
What is the warmest month in Bremen?
July is the warmest month in Bremen, with region-wide average highs of 28.8°C and average lows of 9.2°C.
What is the coldest month in Bremen?
January is the coldest month in Bremen with average lows of -8.7°C and average highs of 9.4°C.
What is the rainiest month in Bremen?
July is the rainiest month in Bremen with approximately 77 mm on average, while April is the driest with 45 mm.
How many cities in Bremen have weather data?
WeatherBlaze has historical weather data for 3 cities in Bremen, covering 45 years of climate records from 1981 to 2025.
Where does this climate data come from?
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation.

📡 Data Source

All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.

Parameters included:
  • Temperature (Min, Max)
  • Precipitation
  • Relative Humidity
  • Wind Speed
  • Solar Radiation
Data specifications:
  • Resolution: Monthly
  • Spatial: 0.5° × 0.625°
  • Source: MERRA-2
  • Coverage: 19812025
  • Cities: 3 in Bremen