Historical Ranked Annual Data - Day Maximum (09-21) / °C

Top annual highest

#

Value

Date

1

39.1

2

36.8

3

36.2

4

35.8

2026

5

34.2

6

34.1

7

33.9

8

33.2

9

33.0

10

32.8

11

32.6

12

31.9

13

31.7

14

31.7

15

31.7

16

31.2

17

30.6

18

29.5

4

35.8

Current year

6

34.1

Last year

Bottom annual highest

#

Value

Date

1

29.5

2

30.6

3

31.2

4

31.7

5

31.7

6

31.7

7

31.9

8

32.6

9

32.8

10

33.0

11

33.2

12

33.9

13

34.1

14

34.2

15

35.8

2026

16

36.2

17

36.8

18

39.1

15

35.8

Current year

13

34.1

Last year

Day Maximum (09-21) annual extremes: highest and lowest annual maxima.
There are 18 valid years for the chosen period from 2009 to present in London, NW3. Data for Day Maximum (09-21) begins in 1881.

Highest air temperature during the daytime window 09:00 to 21:00 local time.