| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | 6 (43) | 7 (45) | 10 (50) | 13 (55) | 17 (63) | 20 (68) | 22 (72) | 21 (70) | 19 (66) | 14 (57) | 10 (50) | 7 (45) | 14 (57) | ||
| Average Temperature °C ( °F) | 4 (39) | 5 (40) | 7 (44) | 9 (48) | 13 (55) | 16 (60) | 18 (64) | 17 (63) | 15 (59) | 11 (52) | 8 (46) | 5 (41) | 10 (51) | ||
| Average Min Temperature °C ( °F) | 2 (36) | 2 (36) | 3 (37) | 5 (41) | 8 (46) | 11 (52) | 13 (55) | 13 (55) | 11 (52) | 8 (46) | 5 (41) | 3 (37) | 7 (45) | ||
| Average Precipitation mm (in) | 53 (2) | 40 (2) | 37 (1) | 38 (1) | 46 (2) | 46 (2) | 56 (2) | 59 (2) | 50 (2) | 57 (2) | 64 (3) | 48 (2) | 594 (23) | ||
| Number of Wet Days (probability of rain on a day %) | 17 (55) | 13 (46) | 11 (35) | 14 (47) | 13 (42) | 11 (37) | 13 (42) | 13 (42) | 13 (43) | 14 (45) | 16 (53) | 16 (52) | 164 (45) | ||
| Average Sunlight Hours/ Day | 1h 21' | 2h 07' | 3h 36' | 4h 54' | 6h 11' | 6h 52' | 6h 17' | 5h 56' | 4h 34' | 3h 03' | 1h 42' | 1h 15' | 3h 59' | ||
| Average Daylight Hours/ Day | 8h 24' | 9h 53' | 11h 48' | 13h 49' | 15h 35' | 16h 31' | 16h 06' | 14h 33' | 12h 35' | 10h 33' | 8h 48' | 7h 54' | 12h 00' | ||
| Percentage of Sunny (Cloudy) Daylight Hours | 17 (83) | 22 (78) | 31 (69) | 36 (64) | 40 (60) | 42 (58) | 40 (60) | 41 (59) | 37 (63) | 30 (70) | 20 (80) | 16 (84) | 33 (67) | ||
| Sun altitude at solar noon on the 21st day (°). | 18.7 | 28 | 38.8 | 50.5 | 58.8 | 62 | 58.9 | 50.6 | 39.2 | 27.7 | 18.6 | 15.2 | 38.9 |