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
Heyburn, Idaho, sees an increase in the average high-temperature with the arrival of May, moving from April's 55.6°F (13.1°C) to a still refreshing 66.6°F (19.2°C). Heyburn endures a clear shift from daytime heat to a mean low-temperature of 44.1°F (6.7°C) during May nights.Humidity
In May, the average relative humidity in Heyburn, Idaho, is 47%.Rainfall
In Heyburn, Idaho, during May, the rain falls for 12.3 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Heyburn. May is the last month it regularly snows. During 0.6 snowfall days, in May, Heyburn aggregates 0.35" (9mm) of snow. In Heyburn, Idaho, during the entire year, snow falls for 50.9 days and aggregates up to 24.57" (624mm) of snow.Daylight
In May, the average length of the day in Heyburn is 14h and 38min.On the first day of May, sunrise is at 6:28 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:05 pm MDT.
Sunshine
The average sunshine in May in Heyburn is 10.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average May temperature in Heyburn?
What is the average humidity in May in Heyburn?
How many days does it rain in May in Heyburn?
What is the last month it snows in Heyburn?
What is the average length of the day in May in Heyburn?
What time are sunrise and sunset in May in Heyburn?
How long on average sun shines in May in Heyburn?
What is the UV index reading in May in Heyburn?
Average temperature in May
Heyburn, ID
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in May: 44.1°F
The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure in May
Heyburn, ID
- Average pressure in May: 29.89"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Heyburn, ID
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).
Average humidity in May
Heyburn, ID
- Average humidity in May: 47%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in May
Heyburn, ID
- Average rainfall in May: 1.06"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Heyburn, ID
- Average rainfall days in May: 12.3 days
The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).
Average snowfall in May
Heyburn, ID
- Average snowfall in May: 0.35"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Heyburn, ID
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Heyburn, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in May
Heyburn, ID
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).
Average UV index in May
Heyburn, ID
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Heyburn, ID
- Average cloud cover in May: 24
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Heyburn, ID
- 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).
Heyburn, Idaho, USA
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