Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings an increase in the average high-temperature, progressing from a cool 54.5°F (12.5°C) in April to a refreshing 64°F (17.8°C). The temperature dips to an average of 43.3°F (6.3°C) during May nights.Humidity
In Hartville, the average relative humidity in May is 57%.Rainfall
The month with the most rainfall is May, when the rain falls for 12.4 days and typically aggregates up to 1.93" (49mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.3 snowfall days, in May, Hartville aggregates 2.56" (65mm) of snow. In Hartville, during the entire year, snow falls for 43 days and aggregates up to 18.27" (464mm) of snow.Daylight
In Hartville, the average length of the day in May is 14h and 37min.On the first day of May, sunrise is at 5:52 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:28 pm MDT.
Sunshine
The average sunshine in May in Hartville is 10.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
What is the wettest month?
How many days does it rain in May in Hartville?
What is the last month it snows?
How many hours of daylight does Hartville have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Hartville?
Average temperature in May
Hartville, WY
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in May: 43.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in May
Hartville, WY
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Hartville, WY
- Average wind speed in May: 10.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in May
Hartville, WY
- Average humidity in May: 57%
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Hartville, WY
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in May
Hartville, WY
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Hartville, WY
- Average snowfall in May: 2.56"
The month with the highest snowfall is November (2.8").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Hartville, WY
- Average snowfall days in May: 2.3 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hartville, WY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in May
Hartville, WY
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in May
Hartville, WY
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Hartville, WY
- Average cloud cover in May: 30
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Hartville, WY
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hartville, Wyoming, USA
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