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Weather in May in Wyoming

Thinking about venturing to Wyoming this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Wyoming in May?

Wyoming is a region in the United States of America. May in Wyoming generally has temperatures that range from mild to pleasant, with precipitation levels ranging from moderate to high.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Alta at 14°C to pleasant in Greybull at 21°C. Nighttime temperatures generally drop to 6°C in Greybull and 1°C in Alta.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Powell with an average of 38 mm to high rainfall in Sundance with 103 mm. Cody experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

For a closer look at May's conditions in Wyoming, see the map below. For a more detailed look at Wyoming's yearly weather, check out our Wyoming climate page.

Where to go in Wyoming in May

Find more information for the most popular destinations in the Wyoming on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in May for the 5 most popular destinations in Wyoming?

Cody

In May Cody generally has moderate temperatures with maximum daytime temperatures around 18°C, minimum nighttime temperatures around 5°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Cody
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
-0°C 
28 mm 
10 days 
18°C 
5°C 
57 mm 
15 days 
June   >> June
>>  
24°C 
10°C 
30 mm 
11 days 
Climate in Cody

Cheyenne

In May Cheyenne generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Cheyenne
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
-1°C 
280 hours 
49 mm 
10 days 
17°C 
4°C 
290 hours 
68 mm 
15 days 
June   >> June
>>  
25°C 
10°C 
305 hours 
51 mm 
12 days 
Climate in Cheyenne

Powell

In May Powell generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 5°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Powell
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
14°C 
-1°C 
13 mm 
6 days 
19°C 
5°C 
38 mm 
11 days 
June   >> June
>>  
26°C 
10°C 
21 mm 
8 days 
Climate in Powell

Jackson

In May Jackson generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 0°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Jackson
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
9°C 
-4°C 
250 hours 
54 mm 
16 days 
poor 
14°C 
0°C 
290 hours 
48 mm 
14 days 
June   >> June
>>  
21°C 
4°C 
300 hours 
40 mm 
12 days 
Climate in Jackson

Teton Village

In May Teton Village generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around -0°C and moderate monthly snow/rainfall. So on average the conditions are tolerable that month.

Teton Village
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
9°C 
-4°C 
250 hours 
57 mm 
17 days 
poor 
15°C 
-0°C 
290 hours 
50 mm 
15 days 
June   >> June
>>  
22°C 
4°C 
300 hours 
38 mm 
11 days 
Climate in Teton Village

Is your destination not in the list? Have a look at other destinations in Wyoming, in the United States of America.

Is May the best time to visit Wyoming?

In our opinion, May is a good time to visit Wyoming with overall pleasant weather in Cody. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in June, July, August and September offering mostly perfect weather in Cody. The weather in January, February and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Wyoming. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.