Spring (March–May): Avg. -39.7°F–45.9°F, cold and windy climate, rainfall gradually increases. Common activities: Snow viewing (snow may still be present in early March), outdoor hiking (be mindful of changing weather). Recommended clothing: Thick coat, warm inner layers, waterproof jacket, hat, gloves, scarf.
Summer (June–August): Avg. 57.7°F–67.5°F, warm and dry climate, large temperature difference between day and night. Common activities: Camping, hiking, fishing. Recommended clothing: Breathable clothing, long-sleeved clothing (sun protection), light jacket, comfortable shoes.
Autumn (September–November): Avg. 58.3°F–-35.4°F, cool climate, decreasing rainfall, rapid temperature drop. Common activities: Fall foliage viewing (in some areas), photography. Recommended clothing: Warm coat, layered clothing, waterproof jacket, comfortable shoes.
Winter (December–February): Avg. -45.1°F–-39.9°F, cold and dry climate, frequent snowfall. Common activities: Skiing, snowshoeing, snowmobiling. Recommended clothing: Heavy warm coat, waterproof and windproof outerwear, hat, gloves, scarf, warm boots.
Wyoming climatological average
Annual average temperature: approx. 42.8°F / Annual rainfall: approx. 386 mm / Summer humidity: 30%–40% / Rainiest month: May
Wyoming monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
18.9°F
20.2
February
20.8°F
30.8
March
24.3°F
38.2
April
34.2°F
36.5
May
45.9°F
65.8
June
57.7°F
58.4
July
67.5°F
5.2
August
65.8°F
22.2
September
58.3°F
23.9
October
43.9°F
46.8
November
28.6°F
21.1
December
24.1°F
17.8
Wyoming weather for the next seven days
4/14
Tuesday
Sunny
58.1°F/28.9°F
4/15
Wednesday
Sunny
61.9°F/27.3°F
4/16
Thursday
Moderate rain
46.9°F/27.1°F
4/17
Friday
Moderate snow
30.4°F/20.2°F
4/18
Saturday
Sunny
42.2°F/15.9°F
4/19
Sunday
Sunny
58°F/28.6°F
4/20
Monday
Sunny
67.6°F/40.4°F
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