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
In May, the meteorological conditions change with the average high-temperature moving from a fresh 52.9°F (11.6°C) in April to an enjoyable 64.2°F (17.9°C). A sharp reduction from the daytime highs is witnessed in Harrison during May, with nighttime temperatures averaging a low of 39.7°F (4.3°C).Humidity
The average relative humidity in May is 67%.Rainfall
In Harrison, during May, the rain falls for 15.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Harrison, Idaho, during the entire year, the rain falls for 148.8 days and collects up to 23.86" (606mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Harrison aggregates 0.08" (2mm) of snow. Throughout the year, in Harrison, there are 67.9 snowfall days, and 53.5" (1359mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 8min.On the first day of May, sunrise is at 5:28 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 8:35 pm PDT.
Sunshine
The average sunshine in May is 9.7h.UV index
The average daily maximum UV index in May in Harrison, Idaho, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the average May temperature in Harrison?
What is the average humidity in May in Harrison?
How much does it rain in Harrison in May?
What is the last month it snows in Harrison?
What is the average length of the day in May in Harrison?
When are sunrise and sunset in May in Harrison?
How many hours of sunshine does Harrison have in May?
What is the UV index intensity in May in Harrison?
Average temperature in May
Harrison, ID
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in May
Harrison, ID
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Harrison, ID
- Average wind speed in May: 4.8mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August, September and December (4.3mph).
Average humidity in May
Harrison, ID
- Average humidity in May: 67%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Harrison, ID
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Harrison, ID
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in May
Harrison, ID
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Harrison, ID
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (16.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Harrison, ID
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
Harrison, ID
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is July (22.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in May
Harrison, ID
- Average UV index in May: 4
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 1).
Average cloud cover in May
Harrison, ID
- Average cloud cover in May: 35
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Harrison, ID
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Harrison, Idaho, USA
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