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
Observing a rise in May, the average high-temperature goes from April's cool 51.4°F (10.8°C) to an enjoyable 62.1°F (16.7°C). During May, the temperature in Helper tends to dip to an average of 41.2°F (5.1°C) at night.Humidity
In May, the average relative humidity in Helper is 42%.Rainfall
In Helper, in May, it is raining for 11.6 days, with typically 0.98" (25mm) of accumulated precipitation. In Helper, Utah, during the entire year, the rain falls for 95.3 days and collects up to 8.66" (220mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Helper, Utah. During 0.6 snowfall days, in May, Helper aggregates 0.16" (4mm) of snow. In Helper, during the entire year, snow falls for 54 days and aggregates up to 29.8" (757mm) of snow.Daylight
In May, the average length of the day in Helper, Utah, is 14h and 23min.On the first day of May, sunrise is at 6:22 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:44 pm MDT.
Sunshine
The average sunshine in May is 11.3h.UV index
In Helper, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Helper in May?
What is the average humidity in May in Helper?
How many days does it rain in May in Helper?
What is the last month it snows in Helper?
What is the average length of the day in May in Helper?
When are sunrise and sunset in May in Helper?
How long on average sun shines in May in Helper?
What is the UV index reading in May in Helper?
Average temperature in May
Helper, UT
- Average high temperature in May: 62.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The months with the lowest average high temperature are January and December (31.6°F).
- Average low temperature in May: 41.2°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Helper, UT
- Average pressure in May: 29.86"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Helper, UT
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in May
Helper, UT
- Average humidity in May: 42%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (32%).
Average rainfall in May
Helper, UT
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is March (1.14").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in May
Helper, UT
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is November (5.1 days).
Average snowfall in May
Helper, UT
- Average snowfall in May: 0.16"
The month with the highest snowfall is December (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Helper, UT
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Helper, UT
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 11h and 2min
The months with the most sunshine are June and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in May
Helper, UT
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is June (22.1 days).
The month with the least sunshine days is April (13 days).
Average UV index in May
Helper, UT
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Helper, UT
- Average cloud cover in May: 19
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 11).
Average visibility in May
Helper, UT
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Helper, Utah, USA
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