West Yellowstone Weather Information

West Yellowstone historical weather data by month.

Chance Of Sunshine

ANNUAL CHANCE OF SUNSHINE 51.11%
expand park city demographics
Annual chance of sunshine: 51.11%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
35.48%
5
6
20
February
39.29%
4
7
17
March
38.71%
4
8
19
April
41.94%
4
9
18
May
48.39%
5
10
16
June
56.67%
6
11
13
July
80.65%
14
11
6
August
77.42%
13
11
7
September
64.52%
11
9
11
October
54.84%
8
9
14
November
40.00%
5
7
18
December
35.48%
4
7
20

Temperature

JULY HIGH 77.7° - JANUARY LOW 1.4°
expand park city demographics
Month
Average
Max Average
Min Average
January
12.7°
23.9°
1.4°
February
17.3°
30.3°
4.2°
March
25.1°
38.2°
11.9°
April
33.7°
46.8°
20.6°
May
43.8°
58.3°
29.3°
June
52.6°
68.8°
36.3°
July
59.2°
77.7°
40.7°
August
57.6°
76.7°
38.5°
September
47.8°
65.5°
30.1°
October
36.8°
51.7°
21.9°
November
21.8°
32.8°
10.8°
December
12.4°
23.6°
1.2°

Rainfall

Average Annual Rainfall 21.74 inches
expand park city demographics
Month
Average Rainfall
January
1.96 Inches
February
1.77 Inches
March
1.82 Inches
April
1.51 Inches
May
2.19 Inches
June
2.21 Inches
July
1.84 Inches
August
1.36 Inches
September
1.47 Inches
October
1.3 Inches
November
2.01 Inches
December
2.3 Inches

Sum Of Heating & Cooling Degree Days

Potential Demand For Energy
expand park city demographics
Month
Heating Degree Days
Cooling Degree Days
January
1623
0
February
1336
0
March
1238
0
April
940
0
May
658
0
June
376
2
July
199
19
August
244
13
September
517
1
October
875
0
November
1296
0
December
1632
0