May 2025 brought slightly warmer than average conditions to the province of Henegouwen in Belgium, with temperatures running marginally above normal throughout the month. The average temperature reached 14.2 degrees Celsius, exceeding the seasonal norm of 13.8 degrees by 0.4 degrees. This modest warming was characteristic of a transitional spring period, though significant temperature variations occurred across different locations and dates.
Temperature extremes were notable during May. The warmest reading of 29.0 degrees Celsius was recorded in Mouscron on May 1st, marking an exceptionally warm start to the month. In stark contrast, the coldest temperature of just 2.8 degrees Celsius was measured in Ham-sur-Heure-Nalinnes on May 23rd, demonstrating the considerable temperature swings typical of spring weather patterns in this region.
Precipitation levels during May were notably below average, with the province receiving 62.7 millimeters compared to the normal 79.5 millimeters, representing a 21 percent deficit. This drier than usual pattern was interrupted by a significant rainfall event on May 31st, when Les Bons Villers recorded 38.8 millimeters of precipitation. This location also registered the highest monthly total in the province, accumulating 90.3 millimeters over the entire period, indicating that rainfall was concentrated in specific areas and times rather than distributed evenly.
Sunshine conditions were slightly above normal for May, with 324.4 hours recorded against a seasonal average of 316.7 hours, representing a 2 percent surplus. This additional sunshine, combined with the below-average precipitation, created conditions favorable for outdoor activities during much of the month, though the late-month rainfall provided necessary moisture for vegetation.
Overall, May 2025 in Henegouwen was characterized by mild temperatures marginally above normal, considerably drier conditions than typical, and slightly enhanced sunshine hours, making it a relatively pleasant spring month with some notable weather variability.