Rotterdam Weather in January

What's the weather like in Rotterdam (South Holland) in January 2023?

The climate in Rotterdam during January can be summarized as cool and reasonably dry.

January is in the winter in Rotterdam and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night 1°C (33°F) is normal.

Rotterdam weather averages (imperial / metric)
Daytime temperature 5.5°C 41.8°F
Nightly temperature 0.6°C 33°F
Average temperature 3°C 37.4°F
Daily sunshine 1.6 hrs
Avg rainfall 70 mm 2.8 ins
Rainy days 19 days
Sea temperature 7.3°C 45.1°F
Humidity 88%
Windspeed 21.2kph 13 mph

On average January is the 6th wettest month of the year in Rotterdam with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 1.6 hours of sunshine per day.

January temperatures in Rotterdam

Rotterdam average temperature in January

January rainfall

Rotterdam average rain in January

January hourly sunshine

Rotterdam average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rotterdam in January 2023.

Other monthly averages

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UV index Best time to go?

Rotterdam weather stats

Rotterdam weather statistics
Hottest month: August 21.1°C 70°F
Driest month: April 43mm 1.7ins
Sunniest month: May 7.3hrs
Coldest month: January 5.3°C 41.5°F
Wettest month: October 84mm 3.3ins
Map showing location of Rotterdam (51.9225, 4.47917)

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