May weather forecastFort Johnson, UT
May
Weather in May
The last month of the spring, May, is a refreshing month in Fort Johnson, Utah, with an average temperature fluctuating between 64.9°F (18.3°C) and 42.1°F (5.6°C).Temperature
With the onset of May, the average high-temperature slightly shifts from April's fresh 55.2°F (12.9°C) to an enjoyable 64.9°F (18.3°C). May nights present a sharp contrast to daytime highs, with average temperatures of 42.1°F (5.6°C).Humidity
The average relative humidity in May is 38%.Rainfall
In Fort Johnson, in May, during 7.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Fort Johnson, during the entire year, the rain falls for 84.2 days and collects up to 9.21" (234mm) of precipitation.Snowfall
Months with snowfall in Fort Johnson are January through May, October through December. May is the last month it regularly snows in Fort Johnson. During 0.5 snowfall days, in May, Fort Johnson aggregates 0.12" (3mm) of snow. Throughout the year, there are 33.4 snowfall days, and 18.11" (460mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 6:35 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:48 pm MDT.
Sunshine
In Fort Johnson, the average sunshine in May is 11.3h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fort Johnson, UT
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in May: 42.1°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in May
Fort Johnson, UT
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Fort Johnson, UT
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is June (8.5mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in May
Fort Johnson, UT
- Average humidity in May: 38%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is June (26%).
Average rainfall in May
Fort Johnson, UT
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in May
Fort Johnson, UT
- Average rainfall days in May: 7.7 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in May
Fort Johnson, UT
- Average snowfall in May: 0.12"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Fort Johnson, UT
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fort Johnson, UT
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in May
Fort Johnson, UT
- Average sunshine days in May: 19.5 days
The month with the most sunshine days is June (24 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in May
Fort Johnson, UT
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Fort Johnson, UT
- Average cloud cover in May: 17
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in May
Fort Johnson, UT
- 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).
