May weather forecastLynden, WA
May
Weather in May
May, the last month of the spring in Lynden, is a comfortable month, with an average temperature ranging between min 43°F (6.1°C) and max 62.6°F (17°C).Temperature
The start of May signals a slight increase in the average high-temperature, moving from a fresh 54°F (12.2°C) in April to a refreshing 62.6°F (17°C). Lynden's nights in May cool down to an average low-temperature of 43°F (6.1°C).Humidity
In Lynden, the average relative humidity in May is 77%.Rainfall
In Lynden, in May, during 14.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Lynden, during the entire year, the rain falls for 188 days and collects up to 49.88" (1267mm) of precipitation.Snowfall
May through October are months without snowfall in Lynden.Daylight
In Lynden, the average length of the day in May is 15h and 19min.On the first day of May, sunrise is at 5:47 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 9:04 pm PDT.
Sunshine
In Lynden, the average sunshine in May is 9h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lynden, WA
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in May: 43°F
The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).
Average pressure in May
Lynden, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed in May
Lynden, WA
- Average wind speed in May: 3.6mph
The windiest months (with the highest average wind speed) are January and February (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in May
Lynden, WA
- Average humidity in May: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Lynden, WA
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is November (7.72").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in May
Lynden, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in May
Lynden, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Lynden, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.7 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
Lynden, WA
- Average daylight in May: 15h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Lynden, WA
- Average sunshine days in May: 13.3 days
The months with the most sunshine days are July and August (21 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in May
Lynden, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Lynden, WA
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in May
Lynden, WA
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
