Average data for 10 years
1 May
Thursday
+6°
−3°
2 May
Friday
+7°
−3°
3 May
Saturday
+7°
−2°
4 May
Sunday
+7°
−2°
5 May
Monday
+8°
−2°
6 May
Tuesday
+7°
−2°
7 May
Wednesday
+7°
−2°
8 May
Thursday
+7°
−3°
9 May
Friday
+7°
−3°
10 May
Saturday
+7°
−3°
11 May
Sunday
+7°
−3°
12 May
Monday
+9°
−1°
13 May
Tuesday
+9°
−1°
14 May
Wednesday
+10°
−1°
15 May
Thursday
+10°
−1°
16 May
Friday
+10°
0°
17 May
Saturday
+10°
−1°
18 May
Sunday
+10°
0°
19 May
Monday
+10°
0°
20 May
Tuesday
+10°
−1°
21 May
Wednesday
+10°
−1°
22 May
Thursday
+9°
0°
23 May
Friday
+9°
−1°
24 May
Saturday
+10°
−1°
25 May
Sunday
+11°
0°
26 May
Monday
+11°
0°
27 May
Tuesday
+11°
0°
28 May
Wednesday
+12°
0°
29 May
Thursday
+12°
0°
30 May
Friday
+12°
0°
31 May
Saturday
+13°
0°
Cities with similar weather in May
Kyrgyzstan
Cholpon-Ata
Iceland
Reykyavik
China
Altay
Mongolia
Ulan Bator
Georgia
Gudauri
In May, the weather in West Yellowstone is typically warm. Average daily high temperature in May is about 9 degrees above zero. On average, West Yellowstone has 8 rainy, 8 sunny, 7 cloudy, 7 partly cloudy, and 1 snowy day in May. The rains are usually heavy. May as well as March, April, June, and October is considered the most uncomfortable time to visit West Yellowstone.