Daily Data Tables - Night Minimum (21-09) / °C · Min (all years)
Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
-1.2
-1.7
-5.1
-0.9
1.5
8.0
10.3
8.9
6.3
7.2
6.2
-2.4
2
-1.5
-3.1
-1.7
-1.0
2.7
8.1
9.8
11.4
8.1
6.2
1.1
-1.8
3
-4.4
-4.6
-1.9
-1.3
1.9
6.9
10.7
11.6
9.4
3.1
1.3
-4.7
4
-4.2
-5.1
-1.0
-0.2
2.8
6.6
10.6
10.9
10.1
5.1
1.3
-1.4
5
-4.2
-0.6
-2.6
1.3
2.5
5.4
10.3
11.7
9.3
3.6
0.8
-0.9
6
-4.6
-0.1
-0.1
-2.3
2.8
6.6
10.5
10.1
5.6
7.3
0.3
-4.3
7
-5.3
-2.4
-3.7
-1.7
3.9
7.8
9.4
10.9
8.8
4.4
2.7
-3.1
8
-3.3
-3.9
-3.1
2.8
6.7
8.1
9.8
10.2
6.9
6.0
-0.4
-2.3
9
-4.2
-1.7
1.1
2.1
5.9
5.7
10.9
10.7
8.8
4.7
1.4
-2.2
10
-3.7
-1.8
1.9
0.6
4.9
9.1
10.4
9.2
8.8
4.9
2.4
-2.3
11
-4.4
-8.1
-2.4
0.7
1.5
7.7
9.8
8.0
8.1
2.1
1.2
-3.9
12
-3.7
-5.7
-2.2
0.7
1.0
6.8
8.9
12.4
6.2
4.4
2.8
-4.7
13
-0.4
-3.9
0.3
-0.6
1.3
5.6
11.8
10.8
6.1
5.1
2.3
-2.6
14
-2.9
-1.5
-1.7
-0.7
3.0
7.7
11.7
10.6
5.4
2.7
4.1
-2.3
15
-0.9
-1.7
-0.7
0.9
2.3
8.6
10.7
11.5
6.7
3.1
0.8
-5.1
16
-3.7
-2.1
-0.1
0.4
2.9
8.1
10.4
10.5
7.9
1.0
0.1
-2.8
17
-5.5
-0.4
-0.3
-0.3
5.7
8.3
12.7
10.8
5.0
5.5
0.2
-4.4
18
-4.3
-0.8
-1.7
0.4
3.9
10.9
11.2
11.4
6.8
2.8
0.1
-6.0
19
-3.5
-2.2
-1.6
2.1
6.2
8.2
11.7
9.1
6.9
4.7
-1.6
-4.3
20
-3.6
-2.0
0.5
1.4
5.1
7.3
9.6
8.6
8.2
2.7
-1.3
-7.2
21
-2.6
-1.2
-0.7
0.2
5.5
9.4
9.7
7.7
9.1
-0.4
-0.7
-2.9
22
-4.8
-0.8
1.1
2.3
4.8
9.8
10.5
8.4
6.0
5.0
-1.9
-1.4
23
-4.9
-0.6
0.4
1.7
4.1
7.7
10.9
9.3
3.9
4.1
0.3
-3.9
24
-2.3
-2.1
-1.0
2.7
5.4
8.9
10.6
7.3
6.1
3.0
0.6
-1.1
25
-2.3
-1.3
0.0
1.4
4.9
8.3
10.4
7.8
4.4
2.2
-0.3
-2.4
26
-0.3
-1.8
0.2
2.1
5.1
9.4
9.4
8.6
6.5
1.4
-2.1
-4.5
27
-2.7
-4.1
-1.3
0.8
7.5
10.0
12.4
10.5
8.2
1.8
-3.5
-0.4
28
0.4
-4.9
-1.2
0.1
7.2
11.1
11.6
10.7
5.1
1.6
-5.0
-1.2
29
-0.8
1.1
-1.3
2.9
6.8
10.4
10.5
9.1
4.4
2.2
-1.8
-2.3
30
-1.9
0.7
1.8
5.2
8.5
9.1
9.3
5.8
3.1
-2.9
-1.4
31
-4.6
-2.6
6.8
8.5
6.7
-0.8
-1.8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
-5.5
-8.1
-5.1
-2.3
1.0
5.4
8.5
6.7
3.9
-0.8
-5.0
-7.2
Highest
0.4
1.1
1.9
2.9
7.5
11.1
12.7
12.4
10.1
7.3
6.2
-0.4
Mean
-3.1
-2.4
-1.0
0.7
4.3
8.2
10.5
9.8
7.0
3.5
0.3
-3.0
Cumul
-3.1
-2.8
-2.2
-1.5
-0.3
1.1
2.5
3.4
3.8
3.8
3.5
2.9
Night Minimum (21-09) in London, NW3 — calendar-day minimum across all years from 2009 onwards along with monthly summary: lowest, highest, mean, and the cumulative value for the year to the month's end.
Lowest air temperature overnight, from 21:00 to 09:00 local time.