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
An increase in the average high-temperature marks May, moving from April's chilly 49.8°F (9.9°C) to a comfortable 61.2°F (16.2°C). Swanlake receives a consistent average low-temperature of 37°F (2.8°C) in May, a substantial dip from the day's heat.Humidity
The average relative humidity in May in Swanlake, Idaho, is 60%.Rainfall
In Swanlake, during May, the rain falls for 16.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 127.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Swanlake, Idaho. May is the last month it regularly snows in Swanlake. During 0.6 snowfall days, in May, Swanlake aggregates 0.39" (10mm) of snow. Throughout the year, there are 83.8 snowfall days, and 60.12" (1527mm) of snow is accumulated.Daylight
In May, the average length of the day in Swanlake is 14h and 37min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:28 pm. On the last day of May, in Swanlake, sunrise is at 5:53 am and sunset at 8:57 pm MDT.
Sunshine
In Swanlake, the average sunshine in May is 10.7h.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 rays for ordinary individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are the temperatures in Swanlake in May?
What is the average humidity in May in Swanlake?
How many days does it rain in May in Swanlake?
What is the last month it snows in Swanlake?
What is the average length of the day in May in Swanlake?
When are sunrise and sunset in May in Swanlake?
How long on average sun shines in May in Swanlake?
What is the UV index reading in May in Swanlake?
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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