May weather forecastRockland, ID
May
Weather in May
The last month of the spring, May, is a comfortable month in Rockland, Idaho, with an average temperature ranging between min 42.4°F (5.8°C) and max 64°F (17.8°C).Temperature
With the onset of May, the average high-temperature slightly shifts from April's fresh 53.4°F (11.9°C) to an enjoyable 64°F (17.8°C). Against the high May temperatures, Rockland records an average drop to a wintry 42.4°F (5.8°C) at night.Humidity
In Rockland, the average relative humidity in May is 51%.Rainfall
In Rockland, in May, during 11.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 108.7 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Rockland aggregates 0.12" (3mm) of snow. Throughout the year, there are 57.1 snowfall days, and 25.2" (640mm) of snow is accumulated.Daylight
In Rockland, the average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:32 pm. On the last day of May, sunrise is at 5:56 am and sunset at 9:02 pm MDT.
Sunshine
In Rockland, the average sunshine in May is 10.9h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in May transforms into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rockland, ID
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in May: 42.4°F
The month with the highest average low temperature is August (58.5°F).
The coldest months (with the lowest average low temperature) are January and December (18°F).
Average pressure in May
Rockland, ID
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Rockland, ID
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are January and December (7mph).
Average humidity in May
Rockland, ID
- Average humidity in May: 51%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (32%).
Average rainfall in May
Rockland, ID
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is March (1.18").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in May
Rockland, ID
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
Rockland, ID
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Rockland, ID
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Rockland, ID
- Average daylight in May: 14h and 36min
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 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Rockland, ID
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in May
Rockland, ID
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Rockland, ID
- Average cloud cover in May: 25
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Rockland, 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).
