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 arrival of May signals an increase in the average high-temperature, moving from a cool 50°F (10°C) in April to a moderate 60.4°F (15.8°C). May brings an average low-temperature of 39.7°F (4.3°C) to Richfield.Humidity
In Richfield, the average relative humidity in May is 54%.Rainfall
In May, the rain falls for 12 days. Throughout May, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 74.4 rainfall days, and 8.03" (204mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Richfield. May is the last month it regularly snows. During 0.4 snowfall days, in May, Richfield aggregates 0.2" (5mm) of snow. In Richfield, during the entire year, snow falls for 44.1 days and aggregates up to 29.65" (753mm) of snow.Daylight
In May, the average length of the day is 14h and 41min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:38 pm. On the last day of May, in Richfield, sunrise is at 6:00 am and sunset at 9:08 pm MDT.
Sunshine
In May, the average sunshine is 11.1h.UV index
In Richfield, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May in Richfield?
What is the last month it snows?
How many hours of daylight does Richfield have in May?
What time are sunrise and sunset in May in Richfield?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Richfield, ID
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in May: 39.7°F
The months with the highest average low temperature are July and August (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Richfield, ID
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Richfield, ID
- Average wind speed in May: 7.2mph
The windiest months (with the highest average wind speed) are April and June (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity in May
Richfield, ID
- Average humidity in May: 54%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (32%).
Average rainfall in May
Richfield, ID
- Average rainfall in May: 0.98"
The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Richfield, ID
- Average rainfall days in May: 12 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in May
Richfield, ID
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Richfield, ID
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Richfield, ID
- Average daylight in May: 14h and 4min
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: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).
Average sunshine days in May
Richfield, ID
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in May
Richfield, 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, March, October, November and December (UV index 2).
Average cloud cover in May
Richfield, ID
- Average cloud cover in May: 23
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
Richfield, 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).
Richfield, Idaho, USA
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