When to go · United Kingdom
When to go to London
When to go
What the averages say
On these averages, London has a mean high between 18°C and 32°C and under 150 mm of rain in June to September.
Of those months, it is also dry (under 50 mm of rain) and not humid in September.
- Cold months (a mean high under 10°C): December to February.
- The warmest month is July (23°C) and the coolest January (7°C). The wettest is November (74 mm) and the driest April (42 mm); about 710 mm of rain falls in a year.
How these sentences are worded
Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.
The year at a glance
- Mild to warm and dry
- Mild to warm, humid or showery
- Hot
- Cool
- Wet
- Cold
- JanCold
- FebCold
- MarCool
- AprCool
- MayCool
- JunMild–warm, mixed
- JulMild–warm, mixed
- AugMild–warm, mixed
- SeptMild–warm, dry
- OctCool
- NovCool
- DecCold
Month by month
Every month in London
| Month | High | Low | Rain | Humidity | Cloud | Sunlight (kWh/m²/day) | High in Dubai | What it is like |
|---|---|---|---|---|---|---|---|---|
| January | 7°C | 2°C | 65 mm | 93% | 75% | 0.8 | 23°C | Cold |
| February | 7°C | 1°C | 54 mm | 90% | 75% | 1.5 | 24°C | Cold |
| March | 10°C | 2°C | 50 mm | 86% | 73% | 2.6 | 27°C | Cool |
| April | 14°C | 4°C | 42 mm | 81% | 68% | 4 | 31°C | Cool |
| May | 17°C | 7°C | 55 mm | 79% | 71% | 4.9 | 35°C | Cool |
| June | 20°C | 11°C | 56 mm | 78% | 72% | 5.3 | 37°C | Mild to warm, humid or showery |
| July | 23°C | 13°C | 60 mm | 76% | 69% | 5.1 | 39°C | Mild to warm, humid or showery |
| August | 22°C | 12°C | 66 mm | 78% | 72% | 4.2 | 39°C | Mild to warm, humid or showery |
| September | 20°C | 10°C | 44 mm | 81% | 68% | 3.2 | 37°C | Mild to warm and dry |
| October | 15°C | 8°C | 73 mm | 87% | 73% | 1.9 | 34°C | Cool |
| November | 10°C | 4°C | 74 mm | 92% | 75% | 1 | 29°C | Cool |
| December | 7°C | 2°C | 71 mm | 94% | 76% | 0.7 | 25°C | Cold |
The Dubai column is Dubai's mean daily high, for comparison.
Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.
When to go nearby
When to go nearby
- Reading59 kmGood for going: June to September
- Southampton112 kmGood for going: June to September
- Coventry138 kmGood for going: June to September
- Leicester143 kmGood for going: June to September
- Bournemouth151 kmGood for going: July to September
- Norwich158 kmGood for going: June to September
- Birmingham163 kmGood for going: June to September
- Bristol171 kmGood for going: June to September
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