May weather forecastHilliard, WY
May
Weather in May
The last month of the spring, May, is a mild month in Hilliard, Wyoming, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 35.4°F (1.9°C).Temperature
May shows a rise in the average high-temperature, moving from April's frosty 44.6°F (7°C) to a refreshing 56.7°F (13.7°C). In May, Hilliard records an average nighttime temperature of 35.4°F (1.9°C).Humidity
In May, the average relative humidity is 58%.Rainfall
The months with the most rainfall are April and May, with an average 1.38" (35mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Hilliard. In Hilliard, during May, snow falls for 5.8 days and regularly aggregates up to 3.11" (79mm) of snow. In Hilliard, Wyoming, during the entire year, snow falls for 99.3 days and aggregates up to 56.22" (1428mm) of snow.Daylight
The average length of the day in May in Hilliard, Wyoming, is 14h and 31min.On the first day of May, sunrise is at 6:19 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:49 pm MDT.
Sunshine
In Hilliard, the average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hilliard, WY
- Average high temperature in May: 56.7°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 (26.4°F).
- Average low temperature in May: 35.4°F
The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Hilliard, WY
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Hilliard, WY
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in May
Hilliard, WY
- Average humidity in May: 58%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Hilliard, WY
- Average rainfall in May: 1.38"
The wettest months (with the highest rainfall) are April and May (1.38").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in May
Hilliard, WY
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in May
Hilliard, WY
- Average snowfall in May: 3.11"
The month with the highest snowfall is March (10").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Hilliard, WY
- Average snowfall days in May: 5.8 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Hilliard, WY
- Average daylight in May: 14h and 30min
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: 11h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in May
Hilliard, WY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is June (19.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in May
Hilliard, 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 November and December (UV index 1).
Average cloud cover in May
Hilliard, WY
- Average cloud cover in May: 23
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in May
Hilliard, WY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
