Casper weather in April 2026

Q: How warm is it in Casper in April?

Daytime temperatures usually reach 13°C in Casper in April, falling to -1°C at night.

Q: How sunny is it in Casper in April?

There are normally 9 hours of bright sunshine each day in Casper in April - that's 67% of daylight hours.

Q: Does it rain in Casper in April?

There are usually 9 days with some rain in Casper in April and the average monthly rainfall is 37mm.

Expect daytime maximum temperatures of 57°F in Casper, Wyoming in April based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 1.6 inches of rainfall in the month.

57
57°F max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
30
30°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
1.6
1.6 inches of monthly rainfall
6
6 (High) UV index

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The April weather guide for Wyoming (Casper) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How warm is it in Casper in April?

Daytime temperatures usually reach 55°F in Casper in April, falling to 30°F at night.

How sunny is it in Casper in April?

There are normally 9 hours of bright sunshine each day in Casper in April - that's 67% of daylight hours.

Does it rain in Casper in April?

There are usually 9 days with some rain in Casper in April and the average monthly rainfall is 1.5 inches.

Casper April sunrise & sunset times

Browse the sunrise and sunset times for Casper in April 2026. Select a month to view Casper sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Wednesday, 1st April 2026	05:47	18:32
Wednesday, 15th April 2026	05:23	18:48
Thursday, 30th April 2026	05:01	19:05

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Wyoming - quick facts
Flight time^✝	13 hours
Time difference	UK -7 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Wyoming Office of Tourism