London Weather in May
Are you planning a holiday with hopefully nice weather in London in May 2027? Here you can find all information about the weather in London in May:
- Overview: London Weather and Climate in May
- London weather by month
- London weather in May // weather averages
- Current temperature and weather forecast for London
Climate for London in May
31.05 is the warmest day of May in London, with an average high of 18.7°C | 65.7°F. The coldest day is 03.05, reaching a low of 6.2°C | 43.2°F. Temperatures in the first third average 15.6°C | 60.1°F for highs and 7°C | 44.6°F for lows. In the second third, highs climb to 16.3°C | 61.3°F, with lows at 8.1°C | 46.6°F. By month’s end, highs remain near 17.9°C | 64.2°F, and lows dip to 9.6°C | 49.3°F. The warmest 10-day stretch is 21-31 with highs averaging 13.9°C | 57°F, while the coldest is 1-10, with lows at 11.4°C | 52.5°F.
Travelers in London can expect anywhere between 6 hours and 9 hours of sunshine per day during May. The sunniest day is 23.05, with 9 hours, while 17.05 offers only 6 hours. Daily sunshine averages 8 hours in the early part of the month, 8 hours mid-month, and 8 hours toward month’s end. The brightest 10-day span is from 21-31, with 8 hours per day. The dullest 10-day period is 1-10, with just 8 hours daily.
Rainfall in London during May varies from around 1.28/0.05 mm/in to 5.31/0.21 mm/in. The rainiest day is 29.05 with 5.31/0.21 mm/in, while the driest is 05.05, at only 1.28/0.05 mm/in. Early in the month, daily rainfall averages 2.40/0.09 mm/in, with 3 rainy days. Mid-month, the average is 2.60/0.10 mm/in across 1 days. By month’s end, the average falls to 3.20/0.13 mm/in, with 4 wet days. The wettest 10-day block is from 21-31, totaling 3.20/0.13 mm/in. The driest block is from 1-10, averaging just 1.28/0.05 mm/in.
In London, humidity levels during May range from 72% to 77%. The highest humidity is seen on 10.05 at 77%, and the lowest on 04.05 with 72%. Humidity averages 74% in the early part of the month, 75% mid-month, and 74% near the end of the month. The most humid 10-day period runs from 11-20, while the driest occurs between 1-10.
London weather by month
| Avg. Temperature °C (°F) | Min. Temperature °C (°F) | Max. Temperature °C (°F) | Precipitation / Rainfall mm (in) | Humidity (%) | Rainy days (d) | avg. Sun hours (hours) | |
|---|---|---|---|---|---|---|---|
| January |
4.8 (40.6) |
2.1 (35.7) |
7.3 (45.1) |
59 (2.3) |
86% | 8 | 3.0 |
| February |
4.9 (40.8) |
2 (35.5) |
7.8 (46.1) |
50 (2) |
82% | 8 | 4.0 |
| March |
6.7 (44) |
3.1 (37.6) |
10.3 (50.6) |
47 (1.9) |
78% | 8 | 5.0 |
| April |
9.4 (48.9) |
5.1 (41.2) |
13.6 (56.4) |
54 (2.1) |
74% | 8 | 7.0 |
| May |
12.7 (54.8) |
8.4 (47.2) |
16.7 (62) |
57 (2.2) |
73% | 8 | 8.0 |
| June |
15.7 (60.3) |
11.4 (52.5) |
19.6 (67.3) |
60 (2.4) |
72% | 8 | 8.0 |
| July |
17.8 (64) |
13.6 (56.4) |
21.8 (71.2) |
59 (2.3) |
70% | 8 | 9.0 |
| August |
17.3 (63.1) |
13.3 (56) |
21.1 (70) |
65 (2.6) |
74% | 8 | 8.0 |
| September |
15 (59.1) |
11.3 (52.3) |
18.8 (65.8) |
51 (2) |
77% | 7 | 6.0 |
| October |
11.8 (53.2) |
8.6 (47.5) |
14.9 (58.7) |
60 (2.4) |
82% | 8 | 5.0 |
| November |
7.8 (46) |
4.9 (40.9) |
10.4 (50.7) |
67 (2.6) |
86% | 8 | 4.0 |
| December |
5.3 (41.6) |
2.8 (37) |
7.7 (45.9) |
61 (2.4) |
86% | 8 | 3.0 |
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg. Temperature °C (°F) |
4.8 °C (40.6) °F |
4.9 °C (40.8) °F |
6.7 °C (44) °F |
9.4 °C (48.9) °F |
12.7 °C (54.8) °F |
15.7 °C (60.3) °F |
17.8 °C (64) °F |
17.3 °C (63.1) °F |
15 °C (59.1) °F |
11.8 °C (53.2) °F |
7.8 °C (46) °F |
5.3 °C (41.6) °F |
| Min. Temperature °C (°F) |
2.1 °C (35.7) °F |
2 °C (35.5) °F |
3.1 °C (37.6) °F |
5.1 °C (41.2) °F |
8.4 °C (47.2) °F |
11.4 °C (52.5) °F |
13.6 °C (56.4) °F |
13.3 °C (56) °F |
11.3 °C (52.3) °F |
8.6 °C (47.5) °F |
4.9 °C (40.9) °F |
2.8 °C (37) °F |
| Max. Temperature °C (°F) |
7.3 °C (45.1) °F |
7.8 °C (46.1) °F |
10.3 °C (50.6) °F |
13.6 °C (56.4) °F |
16.7 °C (62) °F |
19.6 °C (67.3) °F |
21.8 °C (71.2) °F |
21.1 °C (70) °F |
18.8 °C (65.8) °F |
14.9 °C (58.7) °F |
10.4 °C (50.7) °F |
7.7 °C (45.9) °F |
| Precipitation / Rainfall mm (in) |
59 (2) |
50 (1) |
47 (1) |
54 (2) |
57 (2) |
60 (2) |
59 (2) |
65 (2) |
51 (2) |
60 (2) |
67 (2) |
61 (2) |
| Humidity(%) | 86% | 82% | 78% | 74% | 73% | 72% | 70% | 74% | 77% | 82% | 86% | 86% |
| Rainy days (d) | 8 | 7 | 8 | 9 | 8 | 7 | 8 | 8 | 7 | 8 | 8 | 8 |
| avg. Sun hours (hours) | 3.3 | 3.8 | 5.0 | 7.0 | 7.6 | 8.3 | 8.8 | 7.8 | 6.1 | 4.6 | 3.7 | 3.4 |
Data: 1991 - 2021 Min. Temperature °C (°F), Max. Temperature °C (°F), Precipitation / Rainfall mm (in), Humidity, Rainy days. Data: 1999 - 2019: avg. Sun hours
Temperature for London in May
Which day in May does London experience its warmest weather?
The highest average temperature in London during May occurs on 31.05, with 18.7°C | 65.7°F.
On which date in May does London have its coldest day?
03.05 is the chilliest day of the month, dropping to 6.2°C | 43.2°F.
How does the temperature evolve over May in London?
In the early part of the month, average high temperatures are 15.6°C | 60.1°F, and lows are about 7°C | 44.6°F. Between days 11 and 20, highs average 16.3°C | 61.3°F with lows at 8.1°C | 46.6°F. Toward the end of the month, highs are near 17.9°C | 64.2°F and lows fall to 9.6°C | 49.3°F.
Which 10-day timeframe in May is warmest in London?
The hottest 10-day stretch occurs from 21-31, with highs averaging 13.9°C | 57°F.
Which 10-day timeframe in May is coldest in London?
The 10-day stretch from 1-10 records the coldest average lows of 11.4°C | 52.5°F.
Sunshine Hours for London in May
Which day in May sees the most sunshine in London?
The month’s brightest day is 23.05, with 9 hrs of sun.
Which day in May sees the least amount of sunshine in London?
The day with the least sunshine is 17.05, recording only 6 hrs.
How does the amount of sunshine shift over May in London?
The month begins with 8 hours of sunshine on average. This value rises to 8 hours in the middle third and reaches 8 hours by the end of the month.
Which 10-day timeframe in May has the highest sunshine hours in London?
From 21-31, the sunniest 10-day period averages 8 hrs of sunshine each day.
Which 10-day timeframe in May has the fewest sunshine hours in London?
The dullest 10-day stretch falls between 1-10, averaging 8 hrs of sunshine per day.
London weather and climate for further months
London weather in May // weather averages
beta| Temperature (°C) | (°F) | Temperature max. (°C) | (°F) | Temperature min. (°C) | (°F) | Precipitation / Rainfall (mm) | (inch) | |
|---|---|---|---|---|
| 1. May | 11 °C | 51 °F | 15 °C | 59 °F | 6 °C | 44 °F | 2.9 mm | 0.1 inch. |
| 2. May | 11 °C | 52 °F | 15 °C | 59 °F | 6 °C | 44 °F | 3.6 mm | 0.1 inch. |
| 3. May | 11 °C | 51 °F | 15 °C | 59 °F | 6 °C | 43 °F | 1.6 mm | 0.1 inch. |
| 4. May | 11 °C | 51 °F | 15 °C | 59 °F | 6 °C | 43 °F | 1.5 mm | 0.1 inch. |
| 5. May | 11 °C | 52 °F | 15 °C | 59 °F | 6 °C | 43 °F | 1.3 mm | 0.1 inch. |
| 6. May | 11 °C | 53 °F | 16 °C | 60 °F | 7 °C | 45 °F | 1.5 mm | 0.1 inch. |
| 7. May | 12 °C | 53 °F | 16 °C | 62 °F | 7 °C | 45 °F | 2.2 mm | 0.1 inch. |
| 8. May | 12 °C | 54 °F | 16 °C | 62 °F | 8 °C | 46 °F | 4.4 mm | 0.2 inch. |
| 9. May | 12 °C | 54 °F | 16 °C | 61 °F | 8 °C | 47 °F | 1.8 mm | 0.1 inch. |
| 10. May | 13 °C | 55 °F | 17 °C | 62 °F | 8 °C | 47 °F | 3.2 mm | 0.1 inch. |
| 11. May | 12 °C | 54 °F | 17 °C | 62 °F | 8 °C | 47 °F | 2.4 mm | 0.1 inch. |
| 12. May | 12 °C | 54 °F | 16 °C | 61 °F | 8 °C | 46 °F | 2.5 mm | 0.1 inch. |
| 13. May | 12 °C | 54 °F | 16 °C | 61 °F | 8 °C | 46 °F | 2.2 mm | 0.1 inch. |
| 14. May | 12 °C | 54 °F | 16 °C | 61 °F | 8 °C | 46 °F | 2.6 mm | 0.1 inch. |
| 15. May | 12 °C | 54 °F | 16 °C | 62 °F | 7 °C | 45 °F | 1.7 mm | 0.1 inch. |
| 16. May | 12 °C | 54 °F | 17 °C | 62 °F | 8 °C | 46 °F | 2.7 mm | 0.1 inch. |
| 17. May | 12 °C | 54 °F | 16 °C | 61 °F | 8 °C | 47 °F | 4.2 mm | 0.2 inch. |
| 18. May | 12 °C | 54 °F | 16 °C | 61 °F | 8 °C | 47 °F | 1.9 mm | 0.1 inch. |
| 19. May | 13 °C | 55 °F | 17 °C | 62 °F | 8 °C | 47 °F | 2.8 mm | 0.1 inch. |
| 20. May | 13 °C | 56 °F | 17 °C | 63 °F | 9 °C | 48 °F | 3.0 mm | 0.1 inch. |
| 21. May | 13 °C | 56 °F | 17 °C | 63 °F | 9 °C | 48 °F | 2.5 mm | 0.1 inch. |
| 22. May | 13 °C | 56 °F | 17 °C | 63 °F | 9 °C | 48 °F | 2.9 mm | 0.1 inch. |
| 23. May | 14 °C | 57 °F | 18 °C | 64 °F | 9 °C | 48 °F | 1.6 mm | 0.1 inch. |
| 24. May | 14 °C | 57 °F | 18 °C | 65 °F | 10 °C | 49 °F | 3.0 mm | 0.1 inch. |
| 25. May | 14 °C | 57 °F | 18 °C | 65 °F | 10 °C | 49 °F | 1.7 mm | 0.1 inch. |
| 26. May | 14 °C | 57 °F | 18 °C | 64 °F | 10 °C | 50 °F | 5.0 mm | 0.2 inch. |
| 27. May | 14 °C | 57 °F | 18 °C | 64 °F | 10 °C | 50 °F | 4.9 mm | 0.2 inch. |
| 28. May | 14 °C | 57 °F | 18 °C | 64 °F | 10 °C | 50 °F | 3.8 mm | 0.1 inch. |
| 29. May | 14 °C | 57 °F | 18 °C | 65 °F | 9 °C | 49 °F | 5.3 mm | 0.2 inch. |
| 30. May | 14 °C | 57 °F | 18 °C | 65 °F | 10 °C | 50 °F | 2.9 mm | 0.1 inch. |
| 31. May | 15 °C | 58 °F | 19 °C | 66 °F | 10 °C | 50 °F | 1.8 mm | 0.1 inch. |
Humidity for London in May
Which day in May does London experience peak humidity?
10.05 is the most humid day of the month, with average humidity reaching 77%.
Which day in May does London experience its driest air?
04.05 is the driest day of the month, at only 72%.
How does the level of humidity shift over May in London?
In the early part of the month, humidity averages around 74%. Midway through the month, it rises to 75%, and by the month’s end, it reaches 74%.
What is the most humid 10-day timeframe in London during May?
The most humid 10-day stretch falls between days 11-20, with average humidity of 75%.
During May, which 10-day period shows the driest humidity levels in London?
The least humid phase falls between 1-10, with an average of only 74%.
Rainfall for London in May
Which day in May sees the most rain in London?
The highest rainfall typically occurs on 29.05, with an average of 5.31/0.21 mm/in.
Which day in May sees the least amount of rain in London?
On 05.05, precipitation is at its lowest, with just 1.28/0.05 mm/in.
How does precipitation vary over the course of May in London?
Rainfall in the first third of the month averages 2.40/0.09 mm/in, with 3 days receiving over 1 mm. From days 11 to 20, the daily average is 2.60/0.10 mm/in, with 1 rainy days. Toward the end of the month, precipitation settles at 3.20/0.13 mm/in, with 4 wet days.
Which 10-day timeframe in May has the highest rainfall in London?
The 10-day period from 21-31 sees the highest average rainfall, at 3.20/0.13 mm/in.
During May, which 10-day span sees the lowest rainfall in London?
During the driest 10-day stretch, from 1-10, rainfall averages merely 1.28/0.05 mm/in.
Airport close to London
The closest Airports of London are: London City Airport (LCY) 12.32km,Heathrow Airport (LHR) 22.95km,Gatwick Airport (LGW) 39.05km
You can reach London from this Cities by Plane: Leeds (LBA), Athens (ATH), Baltimore (BWI), Glasgow (GLA), Copenhagen (CPH), Mumbai (BOM), New Delhi (DEL), Islamabad (ISB), Lahore (LHE), Vienna (VIE), Paris (ORY), Edinburgh (EDI), Toronto (YYZ), Bern (BRN), Ottawa (YOW), Detroit (DTW), Lyon (LYS), Hamburg (HAM), Tromsø (TOS), Newcastle upon Tyne (NCL)
