May weather forecastRoberts, ID
May
Weather in May
May, the last month of the spring in Roberts, is a comfortable month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 63.5°F (17.5°C).Temperature
May comes with an increase, with the average high-temperature moving from a cool 52.3°F (11.3°C) in April to a refreshing 63.5°F (17.5°C). Roberts, in May, displays a significant temperature downturn during the night, with an average reading of 40.1°F (4.5°C).Humidity
In Roberts, the average relative humidity in May is 54%.Rainfall
The month with the most rainfall is May, when the rain falls for 12.8 days and typically aggregates up to 1.26" (32mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Roberts aggregates 0.67" (17mm) of snow. In Roberts, during the entire year, snow falls for 79 days and aggregates up to 31.54" (801mm) of snow.Daylight
The average length of the day in May is 14h and 45min.On the first day of May, sunrise is at 6:19 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 9:03 pm MDT.
Sunshine
The average sunshine in May is 10.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 4 in May transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Roberts, ID
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in May: 40.1°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in May
Roberts, ID
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Roberts, ID
- Average wind speed in May: 7.4mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in May
Roberts, ID
- Average humidity in May: 54%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (37%).
Average rainfall in May
Roberts, ID
- Average rainfall in May: 1.26"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in May
Roberts, ID
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is April (14.2 days).
The month with the least rainy days is July (5.8 days).
Average snowfall in May
Roberts, ID
- Average snowfall in May: 0.67"
The month with the highest snowfall is January (8.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Roberts, ID
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Roberts, ID
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 10h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Roberts, ID
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in May
Roberts, 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 and December (UV index 1).
Average cloud cover in May
Roberts, ID
- Average cloud cover in May: 25
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Roberts, ID
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
