In general the best time to visit London is probably August, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
March, April, May, June, July, August, September usually provide good weather. Average maximum temperature reaches +22°C during July.
In January, February, October, November, December the weather is OK. Expect around 34 rainy days, and the precipitation amounts to approximately 67 mm in October.
Climate in London
Here is the detailed breakdown of the climate in London for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+16°C
+19°C
+23°C
+28°C
+32°C
+33°C
+39°C
+37°C
+32°C
+28°C
+18°C
+16°C
Maximum Average Temperature
+8°C
+8°C
+11°C
+14°C
+17°C
+20°C
+22°C
+22°C
+19°C
+15°C
+11°C
+8°C
Minimum Temperature
-11°C
-15°C
-5°C
-3°C
0°C
+3°C
+8°C
+7°C
+3°C
-2°C
-4°C
-13°C
Humidity, %
80
77
73
69
68
68
67
69
73
78
81
81
Rain, mm
53
44
46
47
55
58
53
58
46
67
60
58
Snow, mm
4
3
2
1
0
0
0
0
0
0
0
3
Average wind speed, m/s
3
3
3
3
3
3
3
3
3
3
3
3
Sunny Days
3
3
5
7
7
6
7
7
6
5
4
4
Cloud Days
20
19
20
16
17
17
18
18
18
18
19
20
Rainy Days
7
5
6
7
7
7
6
6
6
8
7
7
Snowy Days
1
1
0
0
0
0
0
0
0
0
0
0
Average Temperature
Here are the average maximum and minimum temperatures in London during the whole year:
The hottest month in London is August with average maximum temperature going up to +22°C. The coldest month is January with the lowest temperatures of +3°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in London looks throughout the year, in %:
The most humid month in London is December with average humidity going up to 81%. The least humid month is July with an average humidity of 67%.
Rain
Amount of rainfall in mm. in London during the whole year based on historical data:
The sunniest and driest month is April with approximately 7 sunny days and a total precipitation of around 47 mm. The rainiest and wettest month is October with approximately 8 days and 67 mm of total precipitation.
Snow
Amount of snow in mm. in London during the whole year based on historical data:
The snowiest month is January with approximately 1 days.
FAQ
Frequently asked questions about the weather in London:
What is the hottest month in London?
The hottest month in London is August with average maximum temperature going up to +22°C.
What is the coldest month in London?
if you're looking to visit London when it rains the least, you should plan your trip for October, November, December. During this time, rainfall is rare with the driest month being February with only 44 mm of rain.
Is London worth visiting in winter?
Winter in London could be a good time to visit, as the weather is generally ok.
When does it rain the least in London?
if you're looking to visit London when it rains the least, you should plan your trip for October, November, December. During this time, rainfall is rare with the driest month being February with only 44 mm of rain.
Other cities in United Kingdom
Check out the weather in the other cities in United Kingdom.
For this page, we’ve analyzed the typical weather in London, based on historical hourly weather data and a model taken from January 1, 1979, to December 31, 2022.
For past dates, we are showing actual recorded data at the location at that time. For future dates we are using the recorded weather during that day of the year averaged over all the years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day