Best Time To Visit Yellowstone National Park - Time To Go To Yellowstone National Park

Each season brings with it a different facet of the park. Although the park is open all year round, it is always good to know the climate you might have to live in. Here’s a guide to the Yellow Stone National Park weather:

  • Spring: Mid March to early May. The daytime temperature varies from 40°F/ 4.4°C to 70°F/ 21°C. Night time temperature may drop below 0°.
  • Summer: May to early November. The daytime temperature varies from 65°F/ 18°C to 80°F/ 27°C. Night time temperature varies between 30°F/-1°C to 40°F/4.4°C.
  • Autumn: October end till early December. The daytime temperature varies from 50°F/ 10°C to 60°F/ 16°C. Night time temperature varies between 10°F/-12°C to 20°F/-5°C.
  • Winter:  Mid December to mid March. During the Yellow Stone winter, daytime temperature varies from 0°F/ -16°C to 8°F/-13°C. Night time temperature may fall well below zero degrees. 

Climate in Yellowstone National Park

Know weather for your travel dates:

17-Sep-2018
Today 17 Sep

64

27

Clear throughout the day.

Wind:1.98 m/s

Humidity:40%

Precipitation:0.01%

  • Tue 18 Sep
    62 | 28

    Partly cloudy starting in the evening.

  • Wed 19 Sep
    49 | 24

    Partly cloudy throughout the day.

  • Thu 20 Sep
    56 | 33

    Partly cloudy overnight.

  • Fri 21 Sep
    58 | 32

    Partly cloudy until evening and breezy starting in the afternoon, continuing until evening.

  • Sat 22 Sep
    54 | 30

    Mostly cloudy throughout the day.

  • Sun 23 Sep
    41 | 17

    Snow (1–2 cm.) in the morning and breezy in the afternoon.

Month wise Weather in Yellowstone National Park

Average Temperature in Yellowstone National Park by month

  • 80℉
  • 60℉
  • 40℉
  • 20℉ 0℉
Jan

Average temperature: 13℉

Minimum temperature: -24℉

Maximum temperature: 34℉

Feb

Average temperature: 25℉

Minimum temperature: -6℉

Maximum temperature: 39℉

Mar

Average temperature: 35℉

Minimum temperature: 12℉

Maximum temperature: 57℉

Apr

Average temperature: 36℉

Minimum temperature: 18℉

Maximum temperature: 61℉

May

Average temperature: 45℉

Minimum temperature: 27℉

Maximum temperature: 73℉

Jun

Average temperature: 54℉

Minimum temperature: 34℉

Maximum temperature: 81℉

Jul

Average temperature: 62℉

Minimum temperature: 39℉

Maximum temperature: 84℉

Aug

Average temperature: 59℉

Minimum temperature: 37℉

Maximum temperature: 82℉

Sep

Average temperature: 50℉

Minimum temperature: 30℉

Maximum temperature: 84℉

Oct

Average temperature: 38℉

Minimum temperature: 16℉

Maximum temperature: 63℉

Nov

Average temperature: 30℉

Minimum temperature: 3℉

Maximum temperature: 52℉

Dec

Average temperature: 13℉

Minimum temperature: -22℉

Maximum temperature: 32℉

Highest temperature in Yellowstone National Park is recorded as 84.2℉ in July and September.

Lowest temperature in Yellowstone National Park is recorded as -23.8℉ in January.

Average Rain in Yellowstone National Park by Month (in mm)

  • 120
  • 90
  • 60
  • 30 0
Jan

Average Rain: 31.27 mm

Minimum Rain: 0 mm

Maximum Rain: 219.88 mm

Feb

Average Rain: 84.83 mm

Minimum Rain: 0 mm

Maximum Rain: 297.3 mm

Mar

Average Rain: 28.37 mm

Minimum Rain: 0 mm

Maximum Rain: 157.95 mm

Apr

Average Rain: 47.07 mm

Minimum Rain: 0 mm

Maximum Rain: 190.44 mm

May

Average Rain: 21.27 mm

Minimum Rain: 0 mm

Maximum Rain: 227.62 mm

Jun

Average Rain: 26.63 mm

Minimum Rain: 0 mm

Maximum Rain: 168.8 mm

Jul

Average Rain: 47.7 mm

Minimum Rain: 0 mm

Maximum Rain: 325.16 mm

Aug

Average Rain: 15.18 mm

Minimum Rain: 0 mm

Maximum Rain: 128.5 mm

Sep

Average Rain: 60.7 mm

Minimum Rain: 0 mm

Maximum Rain: 478.48 mm

Oct

Average Rain: 14.03 mm

Minimum Rain: 0 mm

Maximum Rain: 106.86 mm

Nov

Average Rain: 52.49 mm

Minimum Rain: 0 mm

Maximum Rain: 383.99 mm

Dec

Average Rain: 30.27 mm

Minimum Rain: 0 mm

Maximum Rain: 156.36 mm

Maximum rain recorded in Yellowstone National Park is 478.48 mm in September.

Months with no rains or lowest rains in Yellowstone National Park is October.

Average Humidity in Yellowstone National Park by Month (in %)

  • 100
  • 75
  • 50
  • 25 0
Jan

Average Humidity: 79%

Minimum Humidity: 66%

Maximum Humidity: 87%

Feb

Average Humidity: 79%

Minimum Humidity: 69%

Maximum Humidity: 89%

Mar

Average Humidity: 71%

Minimum Humidity: 58%

Maximum Humidity: 89%

Apr

Average Humidity: 71%

Minimum Humidity: 51%

Maximum Humidity: 88%

May

Average Humidity: 63%

Minimum Humidity: 45%

Maximum Humidity: 86%

Jun

Average Humidity: 59%

Minimum Humidity: 41%

Maximum Humidity: 85%

Jul

Average Humidity: 54%

Minimum Humidity: 43%

Maximum Humidity: 70%

Aug

Average Humidity: 54%

Minimum Humidity: 43%

Maximum Humidity: 77%

Sep

Average Humidity: 65%

Minimum Humidity: 43%

Maximum Humidity: 93%

Oct

Average Humidity: 62%

Minimum Humidity: 39%

Maximum Humidity: 82%

Nov

Average Humidity: 77%

Minimum Humidity: 60%

Maximum Humidity: 90%

Dec

Average Humidity: 78%

Minimum Humidity: 69%

Maximum Humidity: 88%

Most humid month in Yellowstone National Park is February.

Least humid month in Yellowstone National Park is July.

Best time to visit Yellowstone National Park Attractions in September

  • Best time to visit Grand Canyon Of Yellowstone in Yellowstone National Park
    • Everyday : 07:00 AM to 02:00 PM
  • Best time to visit Old Faithful in Yellowstone National Park
    • Everyday : 10:00 AM to 05:00 PM
  • Best time to visit Lamar Valley in Yellowstone National Park
    • Everyday : 05:00 AM to 08:00 AM & 05:30 PM to 07:00 PM
  • Best time to visit Old Faithful Inn in Yellowstone National Park
    • Everyday : 24-hrs