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
John Sam Lake's weather in May presents a minor rise in the average high-temperature, moving from a cool 54.3°F (12.4°C) in April to a refreshing 62.2°F (16.8°C). During May, the temperature is averaged to a low of 44.8°F (7.1°C) at night.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 13.3 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.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, 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
The average sunshine in May is 9.2h.UV index
In John Sam Lake, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for John Sam Lake in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does John Sam Lake have in May?
What is the UV index reading in May?
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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