Rotterdam Airport Weather Average Temperature by Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Max Temperate (°C) 5 6 9 12 17 19 21 21 18 14 10 7 Min Temperate (°C) 0 0 2 4 7 11 13 12 10 7 4 2 Max Temperate (°F) 41 43 48 54 63 66 70 70 64 57 50 45 Min Temperate (°F) 32 32 36 39 45 52 55 54 50 45 39 36 Average Sunlight by Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Hours of Sunshine 1 3 3 5 7 6 6 6 4 3 2 1 Hours of Daylight 8 10 12 14 16 17 16 15 13 11 9 8 Average Rainfall by Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Days with Rain 19 12 17 13 14 13 13 13 15 16 18 19 Average Rainfall (mm) 70 44 66 43 53 68 71 68 75 84 83 77