Weather Report: South Holland, January 2025
January 2025 brought relatively mild conditions to South Holland, with temperatures hovering close to seasonal norms despite some notable fluctuations throughout the month. The province experienced a wet and somewhat cloudy period, with precipitation levels running significantly above average.
Temperature Overview
The average temperature for January in South Holland reached 3.8 degrees Celsius, which is marginally below the normal value of 4.0 degrees Celsius, resulting in a slight anomaly of minus 0.2 degrees. The warmest day occurred on January 6th in Zoetermeer, where temperatures climbed to 12.6 degrees Celsius, providing a brief respite from winter conditions. In contrast, the coldest reading was recorded on January 19th in Goerey-Overflakkee, where temperatures dipped to minus 3.2 degrees Celsius, marking the most severe cold snap of the month.
Precipitation Patterns
Rainfall was notably abundant throughout January, with the province receiving an average total of 100.3 millimeters compared to the normal value of 85.1 millimeters. This represents an 18 percent increase above seasonal expectations. The wettest single day occurred on January 5th in Goerey-Overflakkee, which recorded 28.3 millimeters of precipitation. When examining total monthly accumulation by location, Delft emerged as the wettest area with 111.0 millimeters of rain.
Sunshine and Notable Conditions
Sunshine hours fell short of normal expectations, with the province recording 99.0 hours compared to the typical 110.3 hours, representing a 10 percent deficit. This reduction in sunshine, combined with the elevated precipitation levels, created a characteristically grey and damp January typical of the Dutch winter season.