January 2026 brought notably colder than average conditions to Overijssel, with temperatures running significantly below normal throughout the month. The average temperature across the province reached just 1.2 degrees Celsius, which represents a departure of minus 2.0 degrees from the long-term normal of 3.2 degrees. This consistent cold pattern made January 2026 a distinctly chilly month for the region.
The temperature extremes during this period were quite pronounced. The coldest reading was recorded in Olst-Wijhe on January 11th, plummeting to minus 9.7 degrees Celsius. In stark contrast, Enschede experienced the warmest conditions on January 17th, reaching 11.8 degrees Celsius. This substantial range of nearly 21.5 degrees between the coldest and warmest temperatures illustrates the variable nature of winter weather patterns across Overijssel during this month.
Precipitation levels were somewhat below average, with the province receiving 73.1 millimetres compared to the normal amount of 84.3 millimetres, representing a deficit of 13 percent. Despite this overall dryness, individual rainfall events could still be significant. Zwolle recorded the wettest single day on January 17th with 18.7 millimetres of precipitation. When examining total monthly accumulation by location, Deventer emerged as the wettest area with 81.8 millimetres recorded during the month.
Sunshine hours exceeded expectations, with 116.8 hours recorded across Overijssel compared to the normal value of 113.3 hours, representing a three percent surplus. This slightly above-average sunshine, combined with the cold temperatures and below-average precipitation, created typical winter conditions for the province during January 2026.