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
The transition to May introduces an increase in the average high-temperature, shifting from a cool 50.7°F (10.4°C) in April to an enjoyable 63°F (17.2°C). Marked by a significant drop from the daytime highs, Chester's average low-temperature in May stands at a cold 39.7°F (4.3°C).Humidity
In May, the average relative humidity is 55%.Rainfall
In May, the rain falls for 11.4 days. Throughout May, 1.1" (28mm) of precipitation is accumulated. In Chester, Idaho, during the entire year, the rain falls for 97.5 days and collects up to 11.85" (301mm) of precipitation.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, Chester aggregates 0.59" (15mm) of snow. Throughout the year, there are 83.8 snowfall days, and 41.93" (1065mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 47min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:30 pm. On the last day of May, sunrise is at 5:46 am and sunset at 9:01 pm MDT.
Sunshine
The average sunshine in May is 11h.UV index
In Chester, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 in May translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Chester?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows in Chester?
What is the average length of the day in May?
When is the sunrise / sunset in May in Chester?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Chester, ID
- Average high temperature in May: 63°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in May
Chester, ID
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Chester, ID
- Average wind speed in May: 6.7mph
The windiest month (with the highest average wind speed) is June (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Chester, ID
- Average humidity in May: 55%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall in May
Chester, ID
- Average rainfall in May: 1.1"
The wettest month (with the highest rainfall) is January (1.5").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Chester, ID
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (5 days).
Average snowfall in May
Chester, ID
- Average snowfall in May: 0.59"
The month with the highest snowfall is January (11.97").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Chester, ID
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Chester, ID
- Average daylight in May: 14h and 5min
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: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Chester, ID
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in May
Chester, 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
Chester, ID
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in May
Chester, ID
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (3mi).
Chester, Idaho, USA
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