Weather for London in May is typically good with an average maximum temperature of +17°C during the day, and approximately 5 sunny days monthly. Typically, there are about 16 rainy days with the total average precipitation that falls in May around 55 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+17°C
Avg. max. temperature
0°C
Min.
+32°C
Max.
55 mm
Total precipitation
69%
Avg. humidity
3 m/s
Avg. wind
5 ☀️
Sunny Days
9 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: London has good weather in May.
Average temperature in London in May
Here are the expected maximum, average and minimum temperatures in London for May based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in May is +18°C with a maximum of +22°C and a minimum of +6°C.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +18°C to +19°C.
Is London warm or cold in May?
London is typically mild in May.
Maximum temperatures go up compared to the previous month from +14°C to +17°C. The minimum temperature also goes up from +6°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in London:
Climate in London in May
London weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+14°C
+17°C
+20°C
Min. temperature
-3°C
0°C
+3°C
Max. temperature
+28°C
+32°C
+33°C
Rainfall
48 mm
55 mm
58 mm
Wind
3 m/s
3 m/s
3 m/s
Humidity
69%
69%
68%
Air pressure
1014 HPa
1015 HPa
1015 HPa
Sunny days
5
5
4
Cloudy days
9
9
9
Rainy days
15
16
15
Snowy days
0
0
0
May weather is still as good as in April.It’s getting warmer as May arrives. The average maximum temperature goes up from +14°C to +17°C during the day.Prepare for more rain. Average rainfall goes from 48 mm to 55 mm.Humidity levels don’t change as the month goes on, averaging around 69%.The average wind speed doesn’t change much during May, staying around 3 m/s.The amount of sunny days stay about the same, averaging 5 sunny days during the month.
June brings much the same weather, it remains good.
Wind speed in London in May based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in London is gradually increasing during May, going from 3 m/s to 4 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in London based on historical data.
Last Year
Historical Data
Total precipitation in May is about 50 mm, with a 29% chance of rain on a typical day. The maximum amount of rainfall per day is around 14 mm, which is considered light rain.On average, there are about 9 rainy days during May, so prepare to bring an umbrella.
Here’s how May is compared with other months in the amount of precipitation, total mm:
London wettest month is October, where a typical day has a 52% chance of precipitation and 68 mm of rainfall per day. February, on the other hand, is the driest month with a mere 41% chance of precipitation and 41 mm of rainfall per day.
How was the weather last May in London?
This is the weather in London in May 2023:
1 May
☁️
+18°C
2 May
☁️
+14°C
3 May
☁️
+15°C
4 May
☁️
+19°C
5 May
☁️
+19°C
6 May
☁️
+15°C
7 May
☁️
+21°C
8 May
☁️
+15°C
9 May
🌧️
+19°C
10 May
🌧️
+18°C
11 May
🌧️
+18°C
12 May
☁️
+14°C
13 May
☁️
+15°C
14 May
☁️
+21°C
15 May
☁️
+16°C
16 May
☁️
+18°C
17 May
☁️
+18°C
18 May
☁️
+19°C
19 May
☁️
+16°C
20 May
☀️
+20°C
21 May
☀️
+18°C
22 May
☁️
+20°C
23 May
☁️
+18°C
24 May
☁️
+21°C
25 May
☁️
+18°C
26 May
☀️
+19°C
27 May
☀️
+21°C
28 May
☁️
+22°C
29 May
☀️
+18°C
30 May
☁️
+18°C
31 May
☁️
+19°C
In May 2023 London had 5 sunny days, 23 cloudy days, and 3 rainy days. The average maximum temperature was +18°C, with an absolute maximum of +22°C and a minimum of +14°C. The average humidity was 78%, with a maximum of 100% and a minimum of 45%. The average wind speed was 3 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change over Years
This is how London climate have been changing during last 43 years period.
The climate in London in May has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+12°C) and the highest in 2022 (+17°C). The driest year was 1996 with only 431 mm of rainfall, and the wettest year was 2021 with 1037 mm.
FAQ
Frequently asked questions about the weather in London in May:
Is May a good time to visit London?
May is a really good time to go to London. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit London.
Can you sunbathe in London in May?
May has mild temperatures in London. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is London rainy in May?
London is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in London in May?
Usually, it’s not very sunny in London in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in United Kingdom
Check out the weather for other cities in United Kingdom.
For this page, we’ve looked at the typical weather in London, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.