| Climate data for Rothamsted WMO ID: 03680; coordinates 51°48′24″N 0°21′37″W / 51.80671°N 0.36017°W; elevation: 128 m (420 ft); 1991–2020 normals, extremes 1914–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.2 (57.6) |
18.2 (64.8) |
22.3 (72.1) |
26.8 (80.2) |
27.7 (81.9) |
33.0 (91.4) |
40.2 (104.4) |
35.6 (96.1) |
31.0 (87.8) |
26.8 (80.2) |
17.3 (63.1) |
15.3 (59.5) |
40.2 (104.4) |
| Mean daily maximum °C (°F) | 7.1 (44.8) |
7.6 (45.7) |
10.3 (50.5) |
13.4 (56.1) |
16.6 (61.9) |
19.6 (67.3) |
22.1 (71.8) |
21.7 (71.1) |
18.6 (65.5) |
14.3 (57.7) |
10.1 (50.2) |
7.4 (45.3) |
14.1 (57.4) |
| Daily mean °C (°F) | 4.3 (39.7) |
4.6 (40.3) |
6.6 (43.9) |
9.0 (48.2) |
11.9 (53.4) |
14.9 (58.8) |
17.2 (63.0) |
17.0 (62.6) |
14.4 (57.9) |
10.9 (51.6) |
7.2 (45.0) |
4.7 (40.5) |
10.2 (50.4) |
| Mean daily minimum °C (°F) | 1.6 (34.9) |
1.5 (34.7) |
2.8 (37.0) |
4.5 (40.1) |
7.3 (45.1) |
10.2 (50.4) |
12.3 (54.1) |
12.3 (54.1) |
10.1 (50.2) |
7.5 (45.5) |
4.2 (39.6) |
2.0 (35.6) |
6.4 (43.5) |
| Record low °C (°F) | −16.7 (1.9) |
−13.6 (7.5) |
−12.2 (10.0) |
−6.2 (20.8) |
−2.8 (27.0) |
0.0 (32.0) |
2.8 (37.0) |
3.1 (37.6) |
−0.6 (30.9) |
−4.7 (23.5) |
−7.5 (18.5) |
−17.0 (1.4) |
−17.0 (1.4) |
| Average precipitation mm (inches) | 67.6 (2.66) |
50.9 (2.00) |
42.7 (1.68) |
51.2 (2.02) |
51.2 (2.02) |
52.9 (2.08) |
52.2 (2.06) |
68.2 (2.69) |
55.4 (2.18) |
78.2 (3.08) |
76.8 (3.02) |
67.2 (2.65) |
714.5 (28.13) |
| Average precipitation days (≥ 1.0 mm) | 12.2 | 10.4 | 9.2 | 9.5 | 8.4 | 8.3 | 8.5 | 9.5 | 8.9 | 11.4 | 12.1 | 11.8 | 120.2 |
| Mean monthly sunshine hours | 60.0 | 78.3 | 119.1 | 165.9 | 202.5 | 205.2 | 209.0 | 194.4 | 149.8 | 111.5 | 69.2 | 56.0 | 1,620.9 |
| Source 1: Met Office[1] | |||||||||||||
| Source 2: KNMI[2] | |||||||||||||
References
- ^ "Rothamsted 1991–2020 averages". Met Office. Retrieved 21 February 2022.
- ^ "Indices Data - Rothamsted Station 1844". KNMI. Retrieved 7 March 2019.