Historical weather data, all-time temperature records, and monthly climate averages for Welby, CO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Welby typically lands in that classic Colorado in-between zone — expect a high near 61° and a low around 32°, with just a 20% chance of rain and 10% chance of snow. The date has seen everything from a balmy 81° back in 1991 to a brutal 15° low as recently as 2023, so don't get too comfortable either way.
Welby plays the full range. The thermometer has hit as high as 110° on August 2, 2008, and plunged to -24° on December 22, 1990 — a swing of 134 degrees between the all-time extremes. A single storm on December 21, 2006 dumped 21.8 inches of snow, and August 24, 1992 brought 2.45 inches of rain in one day.
Summer is the star here — the week of July 9–15 averages a high of 91°, making it peak season for warm-weather plans. Winters are mild by Colorado standards, with January and December highs hovering around 47°. If you're watching rainfall, late April is the wettest stretch of the year, averaging 0.66 inches for the week of April 23–29.