World Resorts USA Yellowstone Weather

Summer weather in Yellowstone

Weather in Yellowstone in Summer

June July August
Average day temperature: 59.7°F 70.6°F 68.6°F
Average night temperature: 39.6°F 47.3°F 47.2°F
Number of sunny days: 18 days 24 days 23 days
Day length: 15.3 - 15.6 h. 13.6 - 15.5 h. 13.3 - 14.6 h.
Number of rainy days: 6 days 3 days 4 days
Precipitation totals: 3.1 in. 1.3 in. 1.8 in.

Day & Night air temperature, °F

June
July
August
0
12
24
36
48
60
72
84
68.0
70.3
59.0
46.3
46.6
40.0
Day temperature   
Night temperature

Precipitation total, in.

June
July
August
0.0
0.7
1.3
2.0
2.6
3.3
4.0
4.6
5.3
1.9
1.2
3.9
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
3
2
7
7
8
8
21
21
15
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
June
July
August
0.0
1.2
2.5
3.7
4.9
6.2
7.4
8.6
6.2
6.5
7.2
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
11
12
13
10.1
11.6
10

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Yellowstone

Sunniest months:
July 24 days
August 23 days
September 21 days
Warmest months:
July 70.6 °F
August 68.6 °F
June 59.7 °F
Coldest months:
January 19.8 °F
December 20.5 °F
February 21.0 °F
Rainiest months:
May 8 days
June 6 days
September 4 days
Windiest months:
February 7.7 mph
June 7.5 mph
March 7.4 mph

Yellowstone on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+61°F
+75°F
+75°F
+57°F
+59°F
+77°F
+55°F
+73°F
+54°F
+55°F
+77°F
+79°F
+75°F
+41°F
24 Hours Forecast
Yellowstone
Local time: 21:28
April 05, saturday
0000
1°F
SW
2 mph
0300
0°F
S
2 mph
0600
1°F
SE
2 mph
0900
18°F
E
4 mph
1200
28°F
E
6 mph
1500
34°F
E
6 mph
1800
30°F
E
6 mph
2100
18°F
NE
4 mph
Units of measurement: °C / °F