May 2025 brought a notably dry and sunny month to the province of Groningen in the Netherlands. While temperatures remained slightly below normal, the region experienced significantly less rainfall than typical for this time of year, combined with above-average sunshine hours.
Temperature Overview
The average temperature for May in Groningen reached 12.8 degrees Celsius, which is 0.8 degrees below the normal value of 13.6 degrees. The month displayed considerable temperature variation, with the warmest day recorded on May 1st in Stadskanaal, where temperatures climbed to 25.6 degrees Celsius. In stark contrast, the coldest conditions occurred on May 6th, also in Stadskanaal, with a minimum of just 3.5 degrees Celsius. This wide range of 22.1 degrees demonstrates the typical spring variability characteristic of this northern province.
Precipitation Patterns
May proved to be exceptionally dry across Groningen. The average total precipitation measured 34.6 millimeters, representing a significant 40 percent below the normal amount of 57.9 millimeters. The wettest day of the month occurred on May 27th in Groningen city, where 11.3 millimeters of rain fell. When examining individual locations, Eemsdelta recorded the highest monthly precipitation total at 39.9 millimeters, still considerably below seasonal norms.
Sunshine and Notable Features
One of the most striking features of May 2025 was the abundance of sunshine. The province recorded 395.6 hours of sunshine, exceeding the normal value of 360.5 hours by approximately 10 percent. This surplus of sunny conditions, combined with the dry weather, created favorable conditions for outdoor activities and agricultural development throughout the month.
Overall, May 2025 in Groningen was characterized by below-normal temperatures, significantly reduced rainfall, and enhanced sunshine duration, making it a notably dry and bright spring month for the region.