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
As May arrives, a slight rise in the average high-temperature is observed, moving from a cool 53.8°F (12.1°C) in April to an enjoyable 62.4°F (16.9°C). South Greeley's temperature drops to an average low of 42.3°F (5.7°C) during the nights of May.Humidity
The average relative humidity in May is 57%.Rainfall
May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 2.95" (75mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 3.2 snowfall days, in May, South Greeley aggregates 3.43" (87mm) of snow. In South Greeley, during the entire year, snow falls for 62 days and aggregates up to 30.51" (775mm) of snow.Daylight
In South Greeley, the average length of the day in May is 14h and 30min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:25 pm MDT.
Sunshine
In May, the average sunshine in South Greeley is 10.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does South Greeley have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
South Greeley, WY
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in May: 42.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in May
South Greeley, WY
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
South Greeley, WY
- Average wind speed in May: 10.4mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in May
South Greeley, WY
- Average humidity in May: 57%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).
Average rainfall in May
South Greeley, WY
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
South Greeley, WY
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in May
South Greeley, WY
- Average snowfall in May: 3.43"
The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
South Greeley, WY
- Average snowfall days in May: 3.2 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
South Greeley, WY
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in May
South Greeley, WY
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in May
South Greeley, WY
- Average UV index in May: 5
The months with the highest UV index are 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
South Greeley, WY
- Average cloud cover in May: 32
The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in May
South Greeley, 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).
South Greeley, Wyoming, USA
Weather forecast for your location
2. Allow the app to use your location