Casper, WY weather in June
June in Casper: warm, with some rain. Highs 80°F, lows 45°F, rain on about 9 days. A great month for outdoor plans.
- Normal high
- 80°F
- Normal low
- 45°F
- Wet days
- 9
- 1.3 in total
- Muggy days
- 0
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 74°F | 85°F |
| Normal low | 42°F | 49°F |
| Chance of a wet day | 33% | 25% |
| Sunrise / sunset | 5:29 am / 8:36 pm | 5:30 am / 8:47 pm |
| Daylight | 15.1 h | 15.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical June day
- 6 am53°Fdew point 43°F
- 9 am66°Fdew point 43°F
- Noon74°Fdew point 39°F
- 3 pm77°Fdew point 37°F
- 6 pm72°Fdew point 39°F
- 9 pm60°Fdew point 42°F
NOAA hourly normals (local standard time) from Casper Natrona Co Airport (8 mi away); average wind 10 mph; clear or few clouds in 74% of daytime hours, mostly cloudy or overcast in 17%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F13 of 30
- Hot dayshigh 90°F or more5 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow9 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain and snow in June
Normal precipitation is 1.3 in; a dry June brings about 0.6 in and a wet one about 1.7 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 0.1 in.
How June varies from year to year
- Warmest June, 1991-20202006: average high 87°F
- Coolest June1998: average high 70°F
- Wettest June2003: 4.7 in
- Driest June1994: 0.2 in
- Highest reading100°F (June 21, 2016)
- Lowest reading25°F (June 10, 2019)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 67°F | 80°F | 89°F |
| Normal low | 37°F | 45°F | 53°F |
| Wet days | 11 | 9 | 7 |
| Comfortable days | 15 | 13 | 3 |
| Daylight | 14.7 h | 15.3 h | 15.0 h |
Highs change by +13°F from May and +9°F into July.
Nearby alternatives in June
- Warmer: Greeley, CO188 mi · high 86°F · 8 wet days
- Cooler: Keystone, SD162 mi · high 71°F · 13 wet days
How Casper ranks in June
- Normal high251st warmest of 378 cities; 1st of 4 in Wyoming
- Wet days151st driest of 378
- Comfortable days84th most of 340
What to pack for Casper in June
- Layers – afternoons near 80°F but nights near 45°F
- A rain jacket or umbrella – rain on about 9 days
- Sunglasses and sunscreen – about 15.3 hours of daylight and highs near 80°F
Heating and cooling
June has 126 heating degree days and 51 cooling degree days (base 65°F), 2% of the year's total heating and cooling demand.
Questions
How hot is Casper in June?
The normal high is 80°F and the normal low is 45°F. From 1991 to 2020 the hottest June reading was 100°F (most recently on June 21, 2016).
Does it rain a lot in Casper in June?
About 9 days in June have at least 0.01 in of precipitation, and the normal total is 1.3 in. The wettest June in 1991-2020 was in 2003 (4.7 in); the driest was in 1994 (0.2 in).
Does it snow in Casper in June?
Yes. Normal snowfall in June is 0.1 in.
Is June a good time to visit Casper?
June ranks 2nd of 12 months on our comfort score for Casper (70 out of 100). It has about 13 comfortable days and about 5 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Casper Natrona Co Airport (USW00024089), 7.9 mi WNW of the city center, 5,338 ft (233 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Natrona County International Airport (725690-24089), 8.4 mi WNW of the city center, 5,319 ft (214 ft higher than the city). Hourly observations, 1991-2020.