Average temperatures for April at cities, towns, parks and lakes throughout Wyoming are listed below in degrees Fahrenheit and Celsius.
You can jump to a separate table for each region of the state: Northwest, Southwest, North - Central, Northeast and Southeast Wyoming.
The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.
Northwest Wyoming
Average April temperatures
High °F |
Low °F |
Place |
High °C |
Low °C |
48 |
27 |
Alta |
9 |
-3 |
55 |
33 |
Cody |
13 |
1 |
50 |
26 |
Jackson |
10 |
-3 |
50 |
24 |
Moose |
10 |
-5 |
46 |
21 |
Moran |
8 |
-6 |
42 |
19 |
Yellowstone Lake |
5 |
-7 |
50 |
26 |
Yellowstone Park, Mammoth |
10 |
-3 |
46 |
19 |
Yellowstone Park, Old Faithful |
8 |
-7 |
46 |
20 |
Yellowstone Park, South Entrance |
8 |
-6 |
Southwest Wyoming
Average daily temperatures in April
High °F |
Low °F |
Place |
High °C |
Low °C |
53 |
27 |
Evanston |
12 |
-3 |
52 |
21 |
Fontenelle Reservoir Dam |
11 |
-6 |
52 |
23 |
Fossil Butte Monument |
11 |
-5 |
52 |
21 |
Kemmerer |
11 |
-6 |
53 |
30 |
Rock Springs |
12 |
-1 |
North - Central Wyoming
April temperatures: daily averages
High °F |
Low °F |
Place |
High °C |
Low °C |
59 |
33 |
Boysen Reservoir Dam |
15 |
0 |
41 |
18 |
Burgess Junction |
5 |
-8 |
56 |
30 |
Lander |
13 |
-1 |
58 |
31 |
Riverton |
14 |
-1 |
47 |
19 |
South Pass City |
9 |
-7 |
55 |
27 |
Ten Sleep |
13 |
-3 |
62 |
33 |
Thermopolis |
17 |
1 |
60 |
30 |
Worland |
15 |
-1 |
Northeast Wyoming
Average April temperatures
High °F |
Low °F |
Place |
High °C |
Low °C |
53 |
28 |
Buffalo |
12 |
-2 |
57 |
29 |
Devils Tower |
14 |
-2 |
56 |
32 |
Gillette |
14 |
0 |
57 |
30 |
Sheridan |
14 |
-1 |
52 |
29 |
Sundance |
11 |
-2 |
Southeast Wyoming
Average April temperatures
High °F |
Low °F |
Place |
High °C |
Low °C |
56 |
28 |
Casper |
14 |
-2 |
50 |
24 |
Centennial |
10 |
-5 |
55 |
31 |
Cheyenne |
13 |
-1 |
58 |
30 |
Douglas |
14 |
-1 |
51 |
28 |
Laramie |
10 |
-2 |
57 |
30 |
Muddy Gap |
14 |
-1 |
54 |
27 |
Rawlins |
12 |
-3 |
62 |
31 |
Torrington |
16 |
-1 |