Weather Report for May 2026 at NBCN Station, Binningen

May 2026 was a notably warm and relatively dry month in Binningen. The average temperature for the month was 16.1 degrees Celsius. The highest temperature reached 32.5 degrees Celsius on May 26, while the lowest temperature was 4.5 degrees Celsius on May 13. The month saw 11 summer days, where the temperature exceeded 25 degrees Celsius, and 6 hot days, where it exceeded 30 degrees Celsius. There were no ice days, frost days, or tropical nights. Total precipitation for the month was 62.9 millimeters. The day with the highest precipitation was May 14, with 11.2 millimeters, which did not exceed the 20-millimeter threshold for special mention.

This May was the second warmest in the last 20 years, making it a very warm month. The highest temperature of 32.5 degrees Celsius ranks as the second highest maximum temperature over the same period. The record for the highest May temperature remains with 2022, which reached 32.7 degrees Celsius. In terms of precipitation, May 2026 was relatively dry, ranking as the 16th wettest out of the last 20 years. This places it among the drier Mays, but not within the bottom three. The wettest May on record was in 2016, with 159.0 millimeters of precipitation, while the driest was in 2011, with only 43.2 millimeters.

Compared to the historical average for the last 20 years, May 2026 was significantly warmer. The average temperature of 16.1 degrees Celsius is notably higher than the 20-year average of 14.9 degrees Celsius. The month also had more summer days and hot days than the historical average of 5 summer days and 0 hot days. The total precipitation of 62.9 millimeters was below the 20-year average of 92.6 millimeters. Overall, May 2026 stands out as a very warm and relatively dry month compared to the previous two decades.