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
As April transitions into May, Harvard sees a rise in the average high-temperature, moving from a cool 54.5°F (12.5°C) to an enjoyable 63.9°F (17.7°C). In Harvard, a significant divergence from daytime highs is recorded, with average lows of 41.5°F (5.3°C) during May nights.Humidity
The average relative humidity in May is 70%.Rainfall
In Harvard, in May, during 16.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Harvard, there are 143.2 rainfall days, and 20.51" (521mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harvard, Idaho, are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Harvard aggregates 0.08" (2mm) of snow. In Harvard, during the entire year, snow falls for 60.2 days and aggregates up to 47.24" (1200mm) of snow.Daylight
The average length of the day in May in Harvard is 15h and 5min.On the first day of May in Harvard, sunrise is at 5:29 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 4:56 am and sunset at 8:33 pm PDT.
Sunshine
The average sunshine in May in Harvard is 10.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Harvard in May?
What is the average humidity in May in Harvard?
How many days does it rain in May in Harvard?
What is the last month it snows in Harvard?
How many hours of daylight does Harvard have in May?
What time are sunrise and sunset in May in Harvard?
How many hours of sunshine does Harvard have in May?
How high is the UV index in May in Harvard?
Average temperature in May
Harvard, ID
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in May: 41.5°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in May
Harvard, ID
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Harvard, ID
- Average wind speed in May: 5.1mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in May
Harvard, ID
- Average humidity in May: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in May
Harvard, ID
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in May
Harvard, ID
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in May
Harvard, ID
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Harvard, ID
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Harvard, ID
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in May
Harvard, ID
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in May
Harvard, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Harvard, ID
- Average cloud cover in May: 33
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Harvard, ID
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Harvard, Idaho, USA
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