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
The embrace of May brings a minor uplift in the average high-temperature, shifting from a comfortable 61.5°F (16.4°C) in April to an agreeable 70.3°F (21.3°C). Heist's nights in May experience an average temperature drop to a chilly 49.5°F (9.7°C).Humidity
The average relative humidity in May in Heist is 30%.Rainfall
In Heist, in May, during 6.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Heist, there are 75.1 rainfall days, and 11.26" (286mm) of precipitation is accumulated.Snowfall
In Heist, snow does not fall in May through October.Daylight
In Heist, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:26 pm. On the last day of May, in Heist, sunrise is at 6:14 am and sunset at 8:51 pm MDT.
Sunshine
The average sunshine in May in Heist is 11.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Heist?
What is the average humidity in May in Heist?
How much does it rain in Heist in May?
When it does not snow in Heist?
Does it snow in Heist in May?
How many hours of daylight does Heist have in May?
What time are sunrise and sunset in May in Heist?
How long on average sun shines in May in Heist?
What are the months with the highest UV index in Heist?
What is the UV index intensity in May in Heist?
Average temperature in May
Heist, UT
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in May
Heist, UT
- Average pressure in May: 29.84"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in May
Heist, UT
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are January, November and December (7.1mph).
Average humidity in May
Heist, UT
- Average humidity in May: 30%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is June (20%).
Average rainfall in May
Heist, UT
- Average rainfall in May: 0.79"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in May
Heist, UT
- Average rainfall days in May: 6.5 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (3.1 days).
Average snowfall in May
Heist, UT
- Average snowfall in May: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Heist, UT
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (4.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heist, UT
- Average daylight in May: 14h and 1min
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 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Heist, UT
- Average sunshine days in May: 22.6 days
The month with the most sunshine days is June (25.4 days).
The months with the least sunshine days are July and August (18.3 days).
Average UV index in May
Heist, UT
- Average UV index in May: 6
The months with the highest UV index are May, 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
Heist, UT
- Average cloud cover in May: 16
The month with the most cloud cover is December (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in May
Heist, 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).
Heist, Utah, USA
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