When Does Spring Truly Arrive In Wyoming Each Year?

When Does Spring Truly Arrive In Wyoming Each Year?
April 30, 2026

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When Does Spring Truly Arrive In Wyoming Each Year?

In March, we jumped from winter into spring, but it’s Wyoming, and that doesn’t really mean anything. We’ve had more snow in the past couple of weeks than we’ve had in a while around Central Wyoming. Temperatures in parts of Wyoming have been unusually warm, and some areas have had the warmest winter on record.

I’ve heard numerous times this year that Mother Nature may be going through that special life change, with hot flashes, cold snaps, emotional outbursts, being easily agitated, and foggy memory. So, who really knows how the rest of spring will play out?

As we’re getting closer to May, the forecast is looking like spring. Highs in the 50s and 60s, the lows in the 30s, and a chance of precipitation. After the dry winter we’ve had, it’s nice to have rain/ snow moving through.

I saw a survey from Exoticca.com that talked about when each state has its ‘Springiest’ day, and for some states, it’s already happened. The states in the Southwest have theirs in February, states in the Southeast have their springiest days in late March or early April.

In most of the Mountain West part of the country, the springiest days are in May. Here in Wyoming, we don’t see our springiest day until the end of May. The average last freeze of spring is on Thursday, May 21st. Things start to become more noticeably green around three weeks later, on Thursday, June 11th. Based on these combined indicators, the state’s “springiest day” is estimated to fall on Sunday, May 31st.

It’s pretty wild to see how different the weather and seasons are across the country. This interactive graphic below shows each state and when they experience their springiest day.

Created by Exoticca • Viewlarger version

The Cold Historical Facts About Casper’s Winter Weather

We took a look at the historical information found on Extreme Weather Watch to look at how truly intense the weather is here in Casper, Wyoming.

Gallery Credit: Bill Schwamle

Check Out Springtime Around Wyoming’s Laramie Peak

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