May weather forecastMorrisey, WY
May
Weather in May
May, the last month of the spring in Morrisey, is a mild month, with an average temperature varying between 39.6°F (4.2°C) and 58.1°F (14.5°C).Temperature
In Morrisey, the average high-temperature in May increases from a frosty 47.1°F (8.4°C) in April to a moderate 58.1°F (14.5°C). Throughout the month of May, Morrisey expects an average low of 39.6°F (4.2°C).Humidity
In Morrisey, the average relative humidity in May is 69%.Rainfall
In Morrisey, in May, it is raining for 17.1 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Morrisey, in May, snow falls for 4 days, with typically accumulated 3.86" (98mm) of snow. Throughout the year, there are 80.3 snowfall days, and 41.73" (1060mm) of snow is accumulated.Daylight
The average length of the day in May in Morrisey is 14h and 44min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:00 pm. On the last day of May, in Morrisey, sunrise is at 5:19 am and sunset at 8:31 pm MDT.
Sunshine
In Morrisey, Wyoming, the average sunshine in May is 10.1h.UV index
In Morrisey, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during May leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Morrisey, WY
- Average high temperature in May: 58.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in May: 39.6°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).
Average pressure in May
Morrisey, WY
- Average pressure in May: 29.91"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Morrisey, WY
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in May
Morrisey, WY
- Average humidity in May: 69%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (53%).
Average rainfall in May
Morrisey, WY
- Average rainfall in May: 2.56"
The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Morrisey, WY
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Morrisey, WY
- Average snowfall in May: 3.86"
The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Morrisey, WY
- Average snowfall days in May: 4 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Morrisey, WY
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in May
Morrisey, WY
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in May
Morrisey, WY
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in May
Morrisey, WY
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Morrisey, WY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





