Casper Weather in May

Casper in May sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 4°C (39°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Casper in May

The month brings the most rain, so be prepared with an umbrella for the occasional shower. Typically around 13 days of rainfall are expected, averaging 74 mm (2.9 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Casper in May

In May, Casper sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 4°C (39°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and September typically offer the best weather for Casper.