Historical weather data, all-time temperature records, and monthly climate averages for Windsor, CO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Windsor typically lands right in that shoulder-season sweet spot — a 62° high with overnight lows dipping to 33°. Snow is almost never in the cards (just 3% chance), though temperatures have ranged wildly on this date, from a balmy 79° back in 1991 to a sharp 22° in 1994.
Windsor's weather has real teeth on both ends — the thermometer has touched 103° in June and plunged to -28° in December, a 131-degree spread that speaks to northeastern Colorado's extremes. A single storm dropped 20.1 inches of snow on March 18, 2003, and one August day in 2007 dumped 2.76 inches of rain.
Summer peaks in the third week of July with average highs near 89°, while mid-December is the coldest stretch at just 39°. If you're trying to dodge rain, aim for fall or winter — the wettest week of the year runs early May, averaging 0.68 inches of precipitation as spring storms roll across the Front Range.