Weather in May in Casper, Wy

< May >
	Normal Max/ High Temperature	19°C (67°F)
	Average Temperature	11°C (52°F)
	Min/ Low Temperature	3°C (38°F)
	Normal Precipitation	54mm (2.1in)
	Average Daylight per day	14h 37'
	Sun altitude at solar noon on the 21st day.	67.4°

• The average temperature in Casper, Wy in May is quite mild at 11.3 °C (52.34 °F).
• Afternoons can be somewhat warm with average high temperatures reaching 19.2 °C (66.6 °F).
• Overnight temperatures are generally cool with an average low of 3.3 °C (37.9 °F).
• The mean diurnal temperature range/ variation in May is 15.9 °C (28.6 °F).
• Precipitation averages for May are moderate with 54.1mm (2.1 in) recorded.
• The shortest day is 14h 04' long and the longest day is 15h 05' long with an average length of 14h 37'.

Weather Trend Graph for May in Casper, Wy, Usa