December 2025 in Zeeland: A Remarkably Dry and Sunny Month
December 2025 proved to be an exceptional month for Zeeland, characterized by significantly drier conditions than normal and an impressive amount of sunshine. The province experienced weather patterns that deviated notably from typical December expectations, with particularly striking differences in precipitation levels.
Temperature Overview
The average temperature for December in Zeeland reached 6.5 degrees Celsius, which is slightly below the normal value of 6.8 degrees Celsius, representing an anomaly of minus 0.3 degrees. Despite this modest cooling, the month featured considerable temperature variation. The warmest day occurred on December 7th in Terneuzen, where temperatures climbed to 14.4 degrees Celsius. In contrast, the coldest conditions arrived later in the month, with Terneuzen recording a minimum of minus 4.1 degrees Celsius on December 26th, demonstrating the typical winter fluctuations expected during this period.
Precipitation: Exceptionally Dry Conditions
December 2025 was remarkably dry across Zeeland. The province received only 22.2 millimeters of precipitation on average, representing a dramatic 69 percent below the normal monthly total of 72.5 millimeters. The wettest day of the month occurred on December 6th in Sluis, where 7.4 millimeters fell. Overall, Sluis recorded the highest precipitation total for the month at 25.9 millimeters, yet this remained substantially below seasonal norms.
Sunshine: Well Above Average
One of the most notable features of December 2025 was the exceptional sunshine. Zeeland enjoyed 112.5 hours of sunshine, representing a 32 percent increase above the normal value of 85.4 hours. This surplus of sunshine combined with the dry conditions created favorable weather for the season.
Summary of Extremes
Terneuzen dominated the extreme temperature records, recording both the month's highest temperature of 14.4 degrees on December 7th and the lowest of minus 4.1 degrees on December 26th. The wettest single day occurred in Sluis on December 6th with 7.4 millimeters of rain.