WMO Normals
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | 8 (46) | 9 (47) | 13 (55) | 19 (65) | 24 (74) | 27 (81) | 32 (89) | 32 (89) | 27 (81) | 22 (72) | 17 (62) | 11 (51) | 20 (68) | ||
| Average Temperature °C ( °F) | 4 (39) | 5 (40) | 9 (47) | 14 (58) | 19 (67) | 23 (74) | 28 (82) | 28 (82) | 24 (74) | 18 (65) | 12 (54) | 6 (43) | 16 (60) | ||
| Average Min Temperature °C ( °F) | 1 (33) | 2 (35) | 5 (41) | 11 (51) | 16 (60) | 20 (69) | 25 (77) | 25 (76) | 21 (69) | 15 (58) | 9 (47) | 2 (36) | 12 (54) | ||
| Average Precipitation mm (in) | 39 (2) | 59 (2) | 81 (3) | 102 (4) | 115 (5) | 152 (6) | 128 (5) | 133 (5) | 156 (6) | 61 (2) | 51 (2) | 35 (1) | 1111 (44) | ||
| Number of Wet Days (probability of rain on a day %) | 10 (32) | 10 (35) | 12 (39) | 13 (43) | 12 (39) | 14 (47) | 11 (35) | 11 (35) | 12 (40) | 9 (29) | 8 (27) | 8 (26) | 130 (36) | ||
| Average Sunlight Hours/ Day | 3h 58' | 3h 43' | 4h 23' | 4h 46' | 5h 27' | 4h 44' | 6h 52' | 7h 29' | 5h 16' | 5h 36' | 4h 42' | 4h 27' | 5h 07' | ||
| Average Daylight Hours/ Day | 10h 21' | 11h 01' | 11h 56' | 12h 54' | 13h 43' | 14h 08' | 13h 57' | 13h 15' | 12h 19' | 11h 20' | 10h 32' | 10h 08' | 12h 00' | ||
| Percentage of Sunny (Cloudy) Daylight Hours | 39 (61) | 34 (66) | 37 (63) | 37 (63) | 40 (60) | 34 (66) | 50 (50) | 57 (43) | 43 (57) | 50 (50) | 45 (55) | 44 (56) | 43 (57) | ||
| Sun altitude at solar noon on the 21st day (°). | 38.8 | 48.1 | 58.9 | 70.6 | 78.9 | 82.2 | 79.2 | 70.9 | 59.5 | 48 | 38.8 | 35.4 | 59.1 |