May weather forecastSpalding, ID
May
Weather in May
The last month of the spring, May, is an enjoyable month in Spalding, Idaho, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 42.6°F (5.9°C).Temperature
Observing a slight rise in May, the average high-temperature shifts from April's mild 56.1°F (13.4°C) to a comfortable 65.1°F (18.4°C). Spalding sees a large disparity in day to night temperatures in May, with the night temperature dropping to an average of 42.6°F (5.9°C).Humidity
The average relative humidity in May is 68%.Rainfall
In Spalding, in May, it is raining for 13.6 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 142.4 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 15h and 2min.On the first day of the month, sunrise is at 5:31 am and sunset at 7:57 pm. On the last day of May, sunrise is at 4:58 am and sunset at 8:31 pm PDT.
Sunshine
In May, the average sunshine is 10.6h.UV index
In Spalding, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Spalding, ID
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in May: 42.6°F
The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in May
Spalding, 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
Spalding, ID
- Average wind speed in May: 4.7mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.3mph).
Average humidity in May
Spalding, ID
- Average humidity in May: 68%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Spalding, ID
- Average rainfall in May: 1.42"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in May
Spalding, ID
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in May
Spalding, ID
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Spalding, ID
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (8.1 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
Spalding, ID
- Average daylight in May: 15h and 0min
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 42min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Spalding, ID
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is July (24 days).
The months with the least sunshine days are February and March (10.8 days).
Average UV index in May
Spalding, ID
- Average UV index in May: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Spalding, ID
- Average cloud cover in May: 30
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Spalding, 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, February and December (5mi).





