manchester Weatherbox
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 14.3 (57.7) | 19.0 (66.2) | 21.7 (71.1) | 25.1 (77.2) | 26.7 (80.1) | 31.3 (88.3) | 37.0 (98.6) | 33.7 (92.7) | 28.4 (83.1) | 27.0 (80.6) | 17.7 (63.9) | 15.1 (59.2) | 37.0 (98.6) |
| Mean daily maximum °C (°F) | 7.3 (45.1) | 7.6 (45.7) | 10.0 (50.0) | 12.6 (54.7) | 16.1 (61.0) | 18.6 (65.5) | 20.6 (69.1) | 20.3 (68.5) | 17.6 (63.7) | 13.9 (57.0) | 10.0 (50.0) | 7.4 (45.3) | 13.5 (56.3) |
| Daily mean °C (°F) | 4.5 (40.1) | 4.6 (40.3) | 6.7 (44.1) | 8.8 (47.8) | 11.9 (53.4) | 14.6 (58.3) | 16.6 (61.9) | 16.4 (61.5) | 14.0 (57.2) | 10.7 (51.3) | 7.1 (44.8) | 4.6 (40.3) | 10.0 (50.0) |
| Mean daily minimum °C (°F) | 1.7 (35.1) | 1.6 (34.9) | 3.3 (37.9) | 4.9 (40.8) | 7.7 (45.9) | 10.5 (50.9) | 12.6 (54.7) | 12.4 (54.3) | 10.3 (50.5) | 7.4 (45.3) | 4.2 (39.6) | 1.8 (35.2) | 6.6 (43.9) |
| Record low °C (°F) | −15.0 (5.0) | −13.1 (8.4) | −9.7 (14.5) | −4.9 (23.2) | −1.7 (28.9) | 0.8 (33.4) | 5.4 (41.7) | 3.6 (38.5) | 0.0 (32.0) | −4.7 (23.5) | −10.0 (14.0) | −14.0 (6.8) | −15.0 (5.0) |
| Average precipitation mm (inches) | 72.3 (2.85) | 51.4 (2.02) | 61.2 (2.41) | 54.0 (2.13) | 56.8 (2.24) | 66.1 (2.60) | 63.9 (2.52) | 77.0 (3.03) | 71.5 (2.81) | 92.5 (3.64) | 81.5 (3.21) | 80.7 (3.18) | 828.8 (32.63) |
| Average snowfall mm (inches) | 24 (0.9) | 19 (0.7) | 10 (0.4) | 1 (0.0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (0.1) | 15 (0.6) | 71 (2.7) |
| Average precipitation days (≥ 1.0 mm) | 13.1 | 9.7 | 12.3 | 11.2 | 10.4 | 11.1 | 10.9 | 12.0 | 11.1 | 13.6 | 14.1 | 13.5 | 142.9 |
| Average snowy days | 6 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 20 |
| Average relative humidity (%) | 83 | 81 | 77 | 74 | 72 | 74 | 76 | 77 | 79 | 81 | 83 | 84 | 79 |
| Average dew point °C (°F) | 2 (36) | 2 (36) | 3 (37) | 4 (39) | 7 (45) | 9 (48) | 11 (52) | 12 (54) | 10 (50) | 8 (46) | 5 (41) | 3 (37) | 6 (43) |
| Mean monthly sunshine hours | 52.5 | 73.9 | 99.0 | 146.9 | 188.3 | 172.5 | 179.7 | 166.3 | 131.2 | 99.3 | 59.5 | 47.1 | 1,416.2 |
| Mean daily sunshine hours | 3.4 | 3.4 | 5.2 | 6.8 | 6.7 | 6.4 | 6.6 | 6.0 | 5.9 | 3.8 | 3.5 | 3.6 | 5.1 |
| Average ultraviolet index | 0 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 0 | 3 |
| Source 1: Met Office NOAA (relative humidity and snow days 1961–1990) | |||||||||||||
| Source 2: KNMI Current Results - Weather and Science Meteo Climat Time and Date: Average dew point (1985-2015) WeatherAtlas | |||||||||||||