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 chilly 43.7°F (6.5°C) in April to a cool 54.7°F (12.6°C). Lester's average low-temperature for the month of May records at a cold 36.1°F (2.3°C).Humidity
The average relative humidity in May in Lester, Washington, is 80%.Rainfall
In Lester, in May, during 15.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 127.9 rainfall days, and 28.58" (726mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lester are January through June, September through December. In Lester, in May, during 6.4 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, there are 135.3 snowfall days, and 134.33" (3412mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 7min.On the first day of May, sunrise is at 5:48 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:53 pm PDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In Lester, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in May translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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?
How much does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Lester have in May?
What is the UV index intensity in May?
Average temperature in May
Lester, WA
- Average high temperature in May: 54.7°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in May: 36.1°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in May
Lester, WA
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in May
Lester, WA
- Average wind speed in May: 4.4mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in May
Lester, WA
- Average humidity in May: 80%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Lester, WA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is January (4.21").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in May
Lester, WA
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Lester, WA
- Average snowfall in May: 2.8"
The month with the highest snowfall is January (27.72").
The months with the least snowfall are July and August (0").
Average snowfall days in May
Lester, WA
- Average snowfall days in May: 6.4 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in May /
Average sunshine in May
Lester, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in May
Lester, WA
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is February (6 days).
Average UV index in May
Lester, WA
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Lester, WA
- Average cloud cover in May: 53
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Lester, WA
- Average visibility in May: 4mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March and December (3mi).
Lester, Washington, USA
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