| Expand Climate data for Greenwich Park, elevation: 47 m (154 ft), 1991–2020 normals
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.4 (57.9) |
19.7 (67.5) |
21.7 (71.1) |
25.6 (78.1) |
30.0 (86.0) |
32.8 (91.0) |
35.3 (95.5) |
37.5 (99.5) |
30.0 (86.0) |
25.6 (78.1) |
18.9 (66.0) |
15.0 (59.0) |
37.5 (99.5) |
| Average high °C (°F) | 8.5 (47.3) |
9.2 (48.6) |
12.1 (53.8) |
15.4 (59.7) |
18.6 (65.5) |
21.4 (70.5) |
23.8 (74.8) |
23.3 (73.9) |
20.3 (68.5) |
15.8 (60.4) |
11.6 (52.9) |
8.9 (48.0) |
15.3 (59.5) |
| Daily mean °C (°F) | 5.9 (42.6) |
6.2 (43.2) |
8.4 (47.1) |
10.7 (51.3) |
13.8 (56.8) |
16.7 (62.1) |
18.8 (65.8) |
18.7 (65.7) |
15.9 (60.6) |
12.4 (54.3) |
8.8 (47.8) |
6.3 (43.3) |
11.9 (53.4) |
| Average low °C (°F) | 3.4 (38.1) |
3.2 (37.8) |
4.7 (40.5) |
6.0 (42.8) |
9.1 (48.4) |
12.0 (53.6) |
13.9 (57.0) |
14.1 (57.4) |
11.6 (52.9) |
9.0 (48.2) |
6.1 (43.0) |
3.8 (38.8) |
8.1 (46.6) |
| Record low °C (°F) | −9.4 (15.1) |
−9.4 (15.1) |
−7.8 (18.0) |
−2.2 (28.0) |
−1.1 (30.0) |
5.0 (41.0) |
7.2 (45.0) |
6.1 (43.0) |
2.8 (37.0) |
−3.3 (26.1) |
−5.0 (23.0) |
−7.2 (19.0) |
−9.4 (15.1) |
| Average precipitation mm (inches) | 43.9 (1.73) |
39.9 (1.57) |
36.5 (1.44) |
38.6 (1.52) |
44.0 (1.73) |
49.3 (1.94) |
36.3 (1.43) |
53.0 (2.09) |
52.4 (2.06) |
58.3 (2.30) |
59.9 (2.36) |
50.7 (2.00) |
562.9 (22.16) |
| Average precipitation days (≥ 1.0 mm) | 10.5 | 9.2 | 7.9 | 8.1 | 7.9 | 7.8 | 7.1 | 8.2 | 7.9 | 10.3 | 10.6 | 10.2 | 105.6 |
| Mean monthly sunshine hours | 44.4 | 66.1 | 109.7 | 152.9 | 198.7 | 198.6 | 209.2 | 198.0 | 140.6 | 99.7 | 58.5 | 50.1 | 1,526.4 |
| Source 1: Met Office[1][2][3] | |||||||||||||
| Source 2: BBC Weather[4] | |||||||||||||
