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
Swanlake experiences a temperature shift with the start of May, with average high-temperatures moving from a frosty 49.8°F (9.9°C) in April to a refreshing 61.2°F (16.2°C). Swanlake observes a noteworthy temperature drop from the daily highs during May nights, with a mean temperature of 37°F (2.8°C).Humidity
In Swanlake, the average relative humidity in May is 60%.Rainfall
In Swanlake, Idaho, in May, during 16.5 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Swanlake, during the entire year, the rain falls for 127.4 days and collects up to 18.27" (464mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Swanlake aggregates 0.39" (10mm) of snow. Throughout the year, in Swanlake, there are 83.8 snowfall days, and 60.12" (1527mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 37min.On the first day of May, sunrise is at 6:21 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:57 pm MDT.
Sunshine
In May, the average sunshine is 10.7h.UV index
In Swanlake, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in May translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Swanlake have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Swanlake, ID
- Average high temperature in May: 61.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in May: 37°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in May
Swanlake, ID
- Average pressure in May: 29.91"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
Swanlake, ID
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in May
Swanlake, ID
- Average humidity in May: 60%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).
Average rainfall in May
Swanlake, ID
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Swanlake, ID
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in May
Swanlake, ID
- Average snowfall in May: 0.39"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Swanlake, ID
- Average snowfall days in May: 0.6 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Swanlake, ID
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 10h and 4min
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 48min).
Average sunshine days in May
Swanlake, ID
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in May
Swanlake, 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
Swanlake, ID
- Average cloud cover in May: 27
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Swanlake, 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).
Swanlake, Idaho, USA
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