WEATHERblaze

North Rhine-Westphalia Historical Weather Data & Climate

Historical Climate Data for 359 Cities
1981–2025
Germany

Quick Climate Facts

(19812025)
Hottest City
🔥
Odenthal
Jul High 31.7°C
Coldest City
❄️
Winterberg
Jan Low -10.9°C
Wettest City
🌧
Brand
967 mm/yr
Driest City
🏜️
Minden
730 mm/yr
Hottest Month
🌡
August
Avg 19.4°C
Max 30.4°C
Coldest Month
🧊
January
Avg 0.4°C
Min -8.9°C
Cities With Data
🏙️
359
cities in North Rhine-Westphalia
Data Coverage
📅
45 yrs
19812025

North Rhine-Westphalia Climate Overview

North Rhine-Westphalia has a temperate climate with warm summers and cold winters.

North Rhine-Westphalia has an average annual temperature of 10.0°C across all 359 cities, with approximately 850 mm of annual precipitation and average humidity of 84%. Temperatures peak in August and drop to their lowest in January, while rainfall is highest during winter months.

The warmest city is Odenthal with average July highs of 31.7°C, while Winterberg is the coldest with average January lows of -10.9°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 North Rhine-Westphalia — Weather History

📊 North Rhine-Westphalia Monthly Climate Data

Monthly Climate Data
Month🌤️HighLowAvgHumid %Rain (mm)Wind (m/s)Solar (kWh/m²)
January9.7°C-8.9°C0.4°C93%823.80.80
February🌤️11.1°C-8.1°C1.5°C91%603.71.40
March🌤️16.2°C-4.5°C5.9°C86%663.42.50
April🌤️20.9°C-2.4°C9.2°C81%532.84.00
May🌤️24.7°C1.8°C13.2°C78%682.74.90
June☀️28.2°C5.8°C17.0°C77%752.65.20
July☀️30.3°C8.6°C19.4°C75%782.65.00
August☀️30.4°C8.3°C19.4°C74%712.54.30
September☀️25.9°C5.2°C15.6°C79%692.73.10
October🌤️20.9°C0.2°C10.6°C86%723.11.80
November🌤️14.6°C-3.5°C5.5°C92%733.20.90
December10.5°C-7.3°C1.6°C94%843.50.60

Showing average climate conditions across 45 years (1981–2025) · averaged across all 359 cities in North Rhine-Westphalia

🌦 Weather in North Rhine-Westphalia Across Seasons

❄️ Winter in North Rhine-Westphalia

January is North Rhine-Westphalia's coldest month, with average lows reaching -8.9°C.
🌡️December to February (avg) · -8.1°C10.4°C

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

☀️ Summer in North Rhine-Westphalia

Summer temperatures in North Rhine-Westphalia peak in August, climbing to 30.4°C.
🌡️June to August (avg) · 7.6°C29.6°C

🌤️ Early mornings and evenings are most comfortable during this Hot Summer season.

🌧️ Rainy Season in North Rhine-Westphalia

North Rhine-Westphalia sees its highest rainfall in December, receiving approximately 84 mm of precipitation.
🌧️July to January (avg) ·  up to 84 mm

☔ Moderate Rainfall expected — carry rain gear and plan outdoor activities around these months.

📈 North Rhine-Westphalia Monthly Averages

🌡️ Temperature Patterns

Region-wide monthly averages across 359 cities · 19812025 · °C

🌡️ North Rhine-Westphalia Monthly Temperature Guide

August is the hottest month in North Rhine-Westphalia, with average highs reaching 30.4°C, while January is the coldest with lows dropping to -8.9°C.

Temperatures rise steadily from spring, peak in August, 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 North Rhine-Westphalia

North Rhine-Westphalia receives its highest rainfall in December, while humidity peaks during winter months.
🌧️ Wettest: December84 mm☀️ Driest: April53 mm

💧 Humidity peaks at 94% in December · annual avg 84%

📅 North Rhine-Westphalia Yearly Climate Trends

The warmest year on record was 2022 (avg: 11.8°C), while the coldest year was 1987 (avg: 7.8°C).

📊 Key Climate Trends

  • 🌡️ North Rhine-Westphalia'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 359 cities in North Rhine-Westphalia · Last 10 years · °C

North Rhine-Westphalia's temperature shows a slight warming trend over the past decade. The region-wide average sits at 10.0°C with annual rainfall averaging 850 mm.

🌧️ Annual Precipitation

View Range:

Averaged across all 359 cities in North Rhine-Westphalia · Last 10 years · mm/year

Annual rainfall in North Rhine-Westphalia 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 359 cities in North Rhine-Westphalia for each year.

YearMin TempAvg TempMax TempRainfall (mm)Avg HumidityAvg Wind
2025
0.8°C11.6°C22.4°C70782%2.8 m/s
2024
1.6°C11.4°C21.1°C111287%3.0 m/s
2023 🌧️
0.8°C11.1°C21.3°C115183%3.3 m/s
2022 🔥
0.9°C11.8°C22.7°C71279%3.0 m/s
2021
-0.1°C10.2°C20.5°C86385%2.8 m/s
2020
1.1°C11.7°C22.2°C76980%3.1 m/s
2019
0.6°C11.5°C22.4°C78179%3.0 m/s
2018
0.0°C11.2°C22.3°C61679%2.9 m/s
2017
1.0°C11.0°C21.0°C90183%2.9 m/s
2016
0.4°C10.2°C20.0°C79384%2.8 m/s

Showing 1 to 10 of 45 years

🏙️ Explore More Cities in North Rhine-Westphalia

❓ Frequently Asked Questions

What is the hottest city in North Rhine-Westphalia?
Odenthal is the hottest city in North Rhine-Westphalia with an average July high of 31.7°C based on 45 years of data. View Odenthal weather history →
What is the coldest city in North Rhine-Westphalia?
Winterberg is the coldest city with average January lows of -10.9°C. View Winterberg weather history →
Which city in North Rhine-Westphalia gets the most rain?
Brand is the wettest city in North Rhine-Westphalia with approximately 967 mm of annual precipitation on average.
What is the warmest month in North Rhine-Westphalia?
August is the warmest month in North Rhine-Westphalia, with region-wide average highs of 30.4°C and average lows of 8.3°C.
What is the coldest month in North Rhine-Westphalia?
January is the coldest month in North Rhine-Westphalia with average lows of -8.9°C and average highs of 9.7°C.
What is the rainiest month in North Rhine-Westphalia?
December is the rainiest month in North Rhine-Westphalia with approximately 84 mm on average, while April is the driest with 53 mm.
How many cities in North Rhine-Westphalia have weather data?
WeatherBlaze has historical weather data for 359 cities in North Rhine-Westphalia, 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: 359 in North Rhine-Westphalia