July 2025 brought a mixed weather pattern to Belgium, with above-average temperatures and notably increased sunshine, though precipitation fell short of seasonal norms. The month began with a significant heatwave that extended from late June, bringing intense heat to multiple regions across the country during the first few days of July.
Temperature Overview
Belgium experienced warmer than normal conditions throughout July, with an average temperature of 18.8 degrees Celsius, exceeding the normal value of 18.3 degrees by 0.5 degrees. The month's temperature range was substantial, reflecting the diverse geography of the country. The highest temperature recorded was 37.5 degrees Celsius in Zonhoven on July 2nd, while the lowest dipped to just 7.1 degrees Celsius in Bütgenbach on July 8th, demonstrating the significant variation between regions and the transition from the early-month heatwave to cooler conditions.
Precipitation Patterns
Rainfall during July totaled 84.6 millimeters on average across Belgium, representing a 13 percent decrease from the normal July precipitation of 97.0 millimeters. The driest conditions persisted through much of the month, with significant rainfall concentrated toward the end of July. The wettest single day occurred on July 31st in Estinnes, which received 38.2 millimeters of precipitation. When examining regional variations, Vresse-sur-Semois recorded the highest total precipitation for the month at 141.1 millimeters, indicating that southern regions experienced considerably more rainfall than the national average.
Sunshine and Notable Events
July proved exceptionally sunny, with 383.9 hours of sunshine recorded across Belgium, surpassing the normal value of 349.2 hours by 10 percent. This above-average sunshine contributed to the warmer temperatures experienced early in the month. A moderate heatwave affected multiple locations including Aartselaar, Antwerpen, Boechout, Boom, and Borsbeek from June 28th through July 2nd, lasting five days and peaking in early July before conditions moderated.