Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Katwijk aan den Rijn features a oceanic climate (Cfb).Temperatures typically range between 5 °C (42 °F) and 19 °C (66 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 939 mm (37.0 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually.Katwijk aan den Rijn enjoys an average of 3567 hours of sunshine throughout the year, and daylight varies from 7 hours 46 minutes to 16 hours 40 minutes per day.
The warmest months in Katwijk aan den Rijn are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (42 - 44 °F) throughout the day. On average each year, Katwijk aan den Rijn experiences 7 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (55°F) | 16°C (60°F) | 18°C (65°F) | 24°C (75°F) | 27°C (80°F) | 29°C (84°F) | 33°C (92°F) | 30°C (86°F) | 27°C (81°F) | 23°C (74°F) | 17°C (63°F) | 13°C (55°F) |
Mean maximum | 11°C (52°F) | 12°C (55°F) | 15°C (59°F) | 19°C (67°F) | 22°C (72°F) | 24°C (76°F) | 27°C (81°F) | 27°C (80°F) | 24°C (76°F) | 20°C (69°F) | 15°C (60°F) | 12°C (54°F) |
Average high | 7°C (44°F) | 7°C (45°F) | 9°C (49°F) | 12°C (54°F) | 15°C (60°F) | 19°C (67°F) | 20°C (69°F) | 21°C (70°F) | 18°C (65°F) | 15°C (59°F) | 10°C (51°F) | 8°C (46°F) |
Daily mean | 5°C (42°F) | 5°C (42°F) | 7°C (44°F) | 9°C (49°F) | 13°C (55°F) | 17°C (62°F) | 18°C (65°F) | 19°C (66°F) | 16°C (61°F) | 13°C (56°F) | 9°C (48°F) | 6°C (44°F) |
Average low | 4°C (39°F) | 3°C (38°F) | 4°C (40°F) | 6°C (44°F) | 10°C (50°F) | 14°C (57°F) | 15°C (60°F) | 16°C (61°F) | 13°C (56°F) | 11°C (52°F) | 7°C (45°F) | 5°C (41°F) |
Mean minimum | -1°C (31°F) | -2°C (29°F) | -0°C (32°F) | 2°C (36°F) | 5°C (41°F) | 10°C (51°F) | 12°C (54°F) | 13°C (55°F) | 9°C (49°F) | 6°C (44°F) | 2°C (36°F) | -0°C (32°F) |
Minimum | -4°C (25°F) | -8°C (19°F) | -7°C (20°F) | 1°C (35°F) | 4°C (40°F) | 9°C (49°F) | 11°C (52°F) | 12°C (53°F) | 8°C (46°F) | 4°C (39°F) | 1°C (33°F) | -2°C (28°F) |
Compare temperature, precipitation, sunshine, UV index in Katwijk aan den Rijn, South Holland, Netherlands with other places around the world.
Katwijk aan den Rijn usually has the most precipitation in September, October and December, with an average of 16 rainy days and 109 mm (4.3 inches) of precipitation per month.The driest months in Katwijk aan den Rijn are January, April and May. On average, 55 mm (2.2 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 66 (2.6) | 72 (2.8) | 71 (2.8) | 43 (1.7) | 58 (2.3) | 70 (2.8) | 68 (2.7) | 95 (3.7) | 96 (3.8) | 120 (4.7) | 70 (2.8) | 110 (4.3) |
Average precipitation days (≥ 1 mm) | 14 | 13 | 14 | 9 | 11 | 10 | 13 | 15 | 13 | 17 | 15 | 18 |
The sunniest months in Katwijk aan den Rijn are May, June and July, when the sun shines an average of 13 hours 49 minutes a day.Least sunny months in Katwijk aan den Rijn: January, November and December receive an average of 4 hours 59 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 117 | 201 | 290 | 366 | 418 | 422 | 430 | 402 | 330 | 244 | 199 | 142 |
Mean daily daylight hours | 8h 18m | 9h 55m | 11h 54m | 13h 57m | 15h 44m | 16h 40m | 16h 10m | 14h 33m | 12h 36m | 10h 34m | 8h 45m | 7h 46m |
Katwijk aan den Rijn experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Katwijk aan den Rijn UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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UV Index (month maximum) | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |