Historical weather data, all-time temperature records, and monthly climate averages for Hays, KS. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Hays lands in classic transition territory — expect a high around 64° and a low near 35°, with only an 18% chance of rain. The date has swung wildly in the past, from a balmy 87° in 2021 to a bitter 22° low in 2018. Snow is unlikely but not impossible, with a 6% historical chance.
Hays earns its Great Plains credentials with some serious extremes — the thermometer has hit 113° in summer and plunged to -19° in winter, a swing of 132 degrees. A single September storm in 2003 dumped 6.58 inches of rain in one day, and a March blizzard in 1999 buried the city under 11.1 inches of snow.
Summer is the main event in Hays, with average highs peaking at 95° in mid-July and staying in the 90s through August. If you're cold-averse, avoid January through February, when highs hover in the mid-40s. Late May is your best chance for rain, making spring the greenest — and stormiest — season on the calendar.