June weather in Casper, WY
The average temperature in Casper in June is 64.4°F (49.5°F–79.3°F). Average precipitation: 1.55 inches.
June is a summer month in Casper, and is warmer than the annual average of 47.4°F. Daily temperatures swing about 29.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 15h 6m. For travel, June is a comfortable month to visit.
Avg High
79.3°F
Avg Low
49.5°F
Precipitation
1.55 in
Daylight
15h 6m
June records in Casper
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 91.0°F (2002) | 30.0°F (2018) | 0.34 in (2021) |
| June 2 | 91.0°F (2020) | 30.9°F (2022) | 0.62 in (2023) |
| June 3 | 89.1°F (2006) | 34.0°F (2022) | 0.16 in (2001) |
| June 4 | 87.1°F (2004) | 37.0°F (2011) | 0.15 in (2019) |
| June 5 | 95.0°F (2021) | 32.0°F (2024) | 0.61 in (2023) |
| June 6 | 93.0°F (2020) | 41.0°F (2025) | 0.32 in (2017) |
| June 7 | 93.9°F (2006) | 37.9°F (2003) | 0.49 in (2007) |
| June 8 | 95.0°F (2021) | 36.0°F (2007) | 0.42 in (2007) |
| June 9 | 93.9°F (2021) | 37.9°F (2014) | 0.26 in (2023) |
| June 10 | 93.9°F (2021) | 35.1°F (2019) | 0.83 in (2024) |
| June 11 | 93.9°F (2016) | 41.0°F (2008) | 0.28 in (2010) |
| June 12 | 95.0°F (2016) | 41.0°F (2002) | 0.93 in (2010) |
| June 13 | 91.9°F (2006) | 41.0°F (2001) | 0.48 in (2010) |
| June 14 | 96.1°F (2006) | 39.9°F (2001) | 0.81 in (2014) |
| June 15 | 100.9°F (2021) | 39.9°F (2001) | 0.94 in (2016) |
| June 16 | 100.9°F (2021) | 39.9°F (2023) | 2.11 in (2023) |
| June 17 | 95.0°F (2021) | 42.1°F (2023) | 0.84 in (2003) |
| June 18 | 93.9°F (2005) | 41.0°F (2020) | 1.10 in (2018) |
| June 19 | 93.9°F (2005) | 37.9°F (2018) | 0.56 in (2017) |
| June 20 | 96.1°F (2005) | 42.1°F (2004) | 0.50 in (2018) |
| June 21 | 96.1°F (2005) | 42.1°F (2023) | 0.47 in (2021) |
| June 22 | 99.0°F (2016) | 39.9°F (2004) | 0.78 in (2023) |
| June 23 | 97.0°F (2012) | 42.1°F (2025) | 0.34 in (2005) |
| June 24 | 100.9°F (2007) | 24.1°F (2018) | 0.75 in (2019) |
| June 25 | 100.0°F (2007) | 34.0°F (2023) | 0.52 in (2018) |
| June 26 | 100.0°F (2012) | 42.1°F (2003) | 0.58 in (2021) |
| June 27 | 98.1°F (2012) | 45.0°F (2011) | 0.23 in (2021) |
| June 28 | 93.9°F (2013) | 48.0°F (2011) | 0.01 in (2021) |
| June 29 | 98.1°F (2002) | 46.0°F (2014) | 0.46 in (2014) |
| June 30 | 100.9°F (2007) | 43.0°F (2025) | 0.17 in (2025) |