UK average temperatures by month
In 1991 to 2020, the warmest summer afternoons in our 19 places were in London (average high in the warmest month 21.8°C) and the coldest winter nights in Glasgow (average low 1.2°C). The tables give every month, highs and lows, north to south.
Average daytime high, °C
| Place | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Edinburgh | 5.9 | 6.5 | 8.1 | 10.5 | 13.3 | 15.8 | 17.7 | 17.4 | 15.3 | 11.8 | 8.4 | 6.1 |
| Glasgow | 5.9 | 6.5 | 8.2 | 10.8 | 13.8 | 16.1 | 17.6 | 17.3 | 15.2 | 11.8 | 8.4 | 6.0 |
| Newcastle | 6.3 | 6.8 | 8.6 | 10.8 | 13.6 | 16.3 | 18.6 | 18.3 | 16.0 | 12.5 | 8.9 | 6.5 |
| Belfast | 7.5 | 7.7 | 9.0 | 10.9 | 13.6 | 16.0 | 17.5 | 17.3 | 15.7 | 12.7 | 9.8 | 7.9 |
| Leeds | 6.6 | 7.3 | 9.4 | 12.0 | 14.9 | 17.6 | 19.7 | 19.3 | 16.9 | 13.2 | 9.3 | 6.8 |
| Manchester | 6.5 | 7.2 | 9.3 | 12.1 | 15.1 | 17.6 | 19.3 | 18.9 | 16.6 | 13.0 | 9.2 | 6.8 |
| Liverpool | 7.0 | 7.4 | 9.2 | 11.6 | 14.6 | 17.0 | 18.7 | 18.5 | 16.6 | 13.3 | 9.7 | 7.4 |
| Birmingham | 6.6 | 7.3 | 9.6 | 12.3 | 15.4 | 18.2 | 20.3 | 19.9 | 17.3 | 13.4 | 9.4 | 6.9 |
| London | 7.4 | 8.0 | 10.5 | 13.5 | 16.7 | 19.6 | 21.8 | 21.4 | 18.7 | 14.7 | 10.4 | 7.7 |
| Cardiff | 7.6 | 7.9 | 9.8 | 12.4 | 15.3 | 17.9 | 19.6 | 19.4 | 17.3 | 13.9 | 10.4 | 8.0 |
| Bristol | 7.6 | 8.1 | 10.2 | 12.9 | 16.0 | 18.6 | 20.5 | 20.1 | 17.9 | 14.2 | 10.4 | 7.9 |
Average night-time low, °C
| Place | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Edinburgh | 1.9 | 1.7 | 2.4 | 4.0 | 6.6 | 9.5 | 11.4 | 11.3 | 9.6 | 7.0 | 4.1 | 2.0 |
| Glasgow | 1.3 | 1.2 | 2.0 | 3.5 | 6.2 | 9.2 | 11.0 | 10.8 | 9.0 | 6.3 | 3.5 | 1.3 |
| Newcastle | 2.0 | 1.9 | 2.6 | 4.1 | 6.8 | 9.7 | 11.8 | 11.8 | 9.8 | 7.3 | 4.4 | 2.3 |
| Belfast | 3.7 | 3.5 | 4.1 | 5.6 | 7.9 | 10.6 | 12.3 | 12.4 | 11.0 | 8.7 | 6.1 | 4.2 |
| Leeds | 1.8 | 1.5 | 2.4 | 4.0 | 6.9 | 9.9 | 12.1 | 12.0 | 9.9 | 7.3 | 4.3 | 2.1 |
| Manchester | 1.6 | 1.4 | 2.4 | 4.1 | 7.0 | 10.0 | 11.9 | 11.9 | 9.8 | 7.2 | 4.2 | 2.0 |
| Liverpool | 3.0 | 2.8 | 3.7 | 5.3 | 8.2 | 11.1 | 13.1 | 13.2 | 11.3 | 8.7 | 5.8 | 3.5 |
| Birmingham | 1.7 | 1.5 | 2.5 | 4.1 | 7.1 | 10.1 | 12.1 | 12.1 | 10.0 | 7.4 | 4.3 | 2.2 |
| London | 2.0 | 1.8 | 3.1 | 4.9 | 8.1 | 11.1 | 13.3 | 13.2 | 11.0 | 8.2 | 4.7 | 2.6 |
| Cardiff | 3.2 | 2.9 | 3.8 | 5.4 | 8.4 | 11.3 | 13.2 | 13.3 | 11.4 | 8.9 | 6.0 | 3.7 |
| Bristol | 2.7 | 2.3 | 3.4 | 5.1 | 8.1 | 11.0 | 13.0 | 13.0 | 10.9 | 8.4 | 5.2 | 3.1 |
Frost nights a month
Average number of nights with the temperature below 0°C.
Source: Copernicus ERA5 and Open-Meteo. ERA5 reanalysis grid values, 1991 to 2020; not Met Office station averages
Temperature: questions
What is the warmest month in the UK?
July in most places, with August close behind and sometimes ahead on the coast, where the sea is warmest late in summer.
What is the coldest month in the UK?
January or February. Coastal places often bottom out in February, because the sea goes on cooling through the winter.
What is the average temperature in November?
In London, an average high of 10.4°C and low of 4.7°C (1991 to 2020, ERA5). Further north and on high ground it is colder; the table gives each place.