Rotterdam vs Alkmaar Climate
99%matchRotterdam and Alkmaar are a 99% climate match. Very close: temperatures within 3°F (1°C), with similar rain, humidity and sun.
Rotterdam gets 36 in (916 mm) of rain a year and Alkmaar 34 in (864 mm). August is the warmest month in both, with highs of 73°F (23°C) in Rotterdam and 71°F (22°C) in Alkmaar.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
RotterdamAlkmaarsolid = high, dashed = low
Rain (in per month)
RotterdamAlkmaar
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Rotterdam | Alkmaar | Rotterdam | Alkmaar | Rotterdam | Alkmaar | |
| Jan | 44°F(7°C) | 43°F(6°C) | 35°F(2°C) | 35°F(2°C) | 2.9 in(74 mm) | 2.7 in(68 mm) |
| Feb | 45°F(7°C) | 44°F(7°C) | 35°F(2°C) | 35°F(1°C) | 2.6 in(66 mm) | 2.2 in(55 mm) |
| Mar | 51°F(10°C) | 49°F(9°C) | 38°F(3°C) | 38°F(3°C) | 2.4 in(61 mm) | 2.0 in(51 mm) |
| Apr | 58°F(15°C) | 55°F(13°C) | 41°F(5°C) | 42°F(5°C) | 1.7 in(44 mm) | 1.5 in(37 mm) |
| May | 65°F(18°C) | 62°F(17°C) | 47°F(8°C) | 48°F(9°C) | 2.0 in(52 mm) | 2.0 in(52 mm) |
| Jun | 69°F(21°C) | 67°F(19°C) | 52°F(11°C) | 53°F(11°C) | 2.8 in(72 mm) | 2.5 in(63 mm) |
| Jul | 73°F(23°C) | 70°F(21°C) | 56°F(14°C) | 56°F(14°C) | 3.6 in(91 mm) | 2.8 in(71 mm) |
| Aug | 73°F(23°C) | 71°F(22°C) | 56°F(13°C) | 56°F(14°C) | 3.4 in(86 mm) | 3.3 in(84 mm) |
| Sep | 67°F(20°C) | 66°F(19°C) | 52°F(11°C) | 52°F(11°C) | 3.3 in(85 mm) | 3.6 in(92 mm) |
| Oct | 59°F(15°C) | 58°F(15°C) | 46°F(8°C) | 47°F(8°C) | 3.9 in(99 mm) | 4.5 in(115 mm) |
| Nov | 51°F(11°C) | 50°F(10°C) | 40°F(5°C) | 41°F(5°C) | 3.6 in(92 mm) | 3.5 in(89 mm) |
| Dec | 45°F(7°C) | 44°F(7°C) | 36°F(2°C) | 36°F(2°C) | 3.7 in(94 mm) | 3.4 in(87 mm) |
1991–2020 averages, by calendar month.