Historical Climate Data for 842 Cities across 4 Nations • 1981–2025 • NASA POWER
°C / °F
4
Nations
842
Cities
45
Years of Data
1981–2025
Coverage
10°C
Avg Temp
834 mm
Avg Rain/yr
United Kingdom Climate Overview
The United Kingdom has a cool temperate climate with mild summers and cold, frosty winters, shaped by its position on the eastern Atlantic seaboard.
Across all 842 cities in the UK, the average annual temperature is
10°C,
with approximately 834 mm of annual precipitation
and average humidity of 86%.
Temperatures peak in July and fall lowest in January,
while rainfall is highest during October.
England
is the warmest nation (avg July high 26°C),
while Scotland
is the coldest (avg January low -3.6°C).
Scotland
receives the most rainfall (~1094 mm/yr), while
England
is relatively drier (~791 mm/yr).
Winter conditions require warm clothing and can bring occasional snow, particularly in Scotland and Wales.
Scotland receives the most annual rainfall in the UK with approximately 1094 mm per year on average. View Scotland weather history →
How many UK cities have weather history data?▼
TownPillar has historical weather data for 842 cities across 4 UK nations, covering 45 years of NASA POWER climate records from 1981 to 2025. Each city includes monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
What is the best time to visit the United Kingdom?▼
Late spring (May–June) and early autumn (September) generally offer the best weather across the UK, with longer daylight hours, moderate temperatures, and fewer crowds than peak summer. July and August are warmest but most crowded. Use this site to compare monthly weather data for specific cities before planning your trip.
Does the UK have a rainy season?▼
The UK does not have a sharply defined rainy season — rainfall is distributed throughout the year. However, autumn and winter months (October–January) tend to be wetter than spring and summer. Western areas such as Wales and Scotland receive significantly more rainfall than eastern England due to prevailing Atlantic weather systems.
Where does this UK climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It provides monthly temperature, precipitation, humidity, wind speed, and solar radiation at 0.5° × 0.625° spatial resolution from 1981 to 2025.
📚 About the Data
All weather history data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), which uses MERRA-2 satellite reanalysis to provide global climate records.
Data covers 45 years (1981–2025) at monthly resolution for 842 UK cities across 4 nations.