Rotterdam: Annual Weather Averages
July is the hottest month in Rotterdam with an average temperature of 63°F (17°C) and the coldest is January at 37°F (3°C) with the most daily sunshine hours at 7 in May. The wettest month is October with an average of 84mm of rain.
Average Temperature: Rotterdam
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 3 | 4 | 6 | 9 | 13 | 15 | 17 | 17 | 15 | 10 | 7 | 4 |
| °F | 37 | 39 | 43 | 48 | 55 | 59 | 63 | 63 | 59 | 50 | 45 | 39 |
Average High/Low Temperature: Rotterdam
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 5 | 6 | 9 | 13 | 17 | 19 | 21 | 21 | 18 | 13 | 9 | 6 |
| High °F | 41 | 43 | 48 | 55 | 63 | 66 | 70 | 70 | 64 | 55 | 48 | 43 |
| Low °C | 1 | 1 | 2 | 4 | 8 | 11 | 12 | 13 | 11 | 7 | 4 | 1 |
| Low °F | 34 | 34 | 36 | 39 | 46 | 52 | 54 | 55 | 52 | 45 | 39 | 34 |
Average Rainfall: Rotterdam
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 70 | 44 | 66 | 43 | 53 | 68 | 71 | 68 | 75 | 84 | 83 | 77 |
Average Daily Sunshine Hours: Rotterdam
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 1 | 3 | 3 | 5 | 7 | 6 | 6 | 6 | 4 | 3 | 2 | 1 |