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
May showcases a minor temperature ascent, adjusting from April's fresh 54.3°F (12.4°C) to an enjoyable 62.2°F (16.8°C). During May, John Sam Lake sees a mean low-temperature of 44.8°F (7.1°C).Humidity
In May, the average relative humidity in John Sam Lake is 77%.Rainfall
In John Sam Lake, in May, during 13.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In John Sam Lake, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
In John Sam Lake, snow does not fall in May through October.Daylight
In John Sam Lake, the average length of the day in May is 15h and 13min.On the first day of May in John Sam Lake, sunrise is at 5:48 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 9:00 pm PDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
In John Sam Lake, Washington, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in May in John Sam Lake?
What is the average humidity in May in John Sam Lake?
How much does it rain in John Sam Lake in May?
When it does not snow in John Sam Lake?
Does it snow in John Sam Lake in May?
What is the average length of the day in May in John Sam Lake?
When are sunrise and sunset in May in John Sam Lake?
How many hours of sunshine does John Sam Lake have in May?
How high is the UV index in May in John Sam Lake?
Average temperature in May
John Sam Lake, WA
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in May
John Sam Lake, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
John Sam Lake, WA
- Average wind speed in May: 4.1mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
John Sam Lake, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
John Sam Lake, WA
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in May
John Sam Lake, WA
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in May
John Sam Lake, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
John Sam Lake, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
John Sam Lake, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in May
John Sam Lake, WA
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in May
John Sam Lake, WA
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
John Sam Lake, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
John Sam Lake, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
John Sam Lake, Washington, USA
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