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
Grayland's transition into May sees a mild rise in the average high-temperature, edging from a cool 54°F (12.2°C) in April to a refreshing 60.4°F (15.8°C). In Grayland, May is marked by an average low-temperature of 44.8°F (7.1°C).Humidity
The average relative humidity in May is 80%.Rainfall
In Grayland, in May, during 14.1 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 186.2 rainfall days, and 48.78" (1239mm) of precipitation is accumulated.Snowfall
In Grayland, snow does not fall in April through October and December.Daylight
In Grayland, the average length of the day in May is 15h and 4min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:27 pm. On the last day of May, sunrise is at 5:25 am and sunset at 9:02 pm PDT.
Sunshine
In May, the average sunshine is 8h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Grayland in May?
What is the average humidity in May in Grayland?
How many days does it rain in May in Grayland?
When it does not snow in Grayland?
What is the average length of the day in May in Grayland?
When is the sunrise / sunset in May in Grayland?
How many hours of sunshine does Grayland have in May?
What is the month with the highest UV index in Grayland?
What is the UV index intensity in May in Grayland?
Average temperature in May
Grayland, WA
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is December (45.1°F).
- Average low temperature in May: 44.8°F
The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in May
Grayland, WA
- Average pressure in May: 30.05"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
Grayland, WA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in May
Grayland, WA
- Average humidity in May: 80%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is July (79%).
Average rainfall in May
Grayland, WA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is December (7.99").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Grayland, WA
- Average rainfall days in May: 14.1 days
The month with the highest number of rainy days is March (21.8 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in May
Grayland, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in May
Grayland, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Grayland, WA
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Grayland, WA
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is August (21.4 days).
The months with the least sunshine days are February and November (8 days).
Average UV index in May
Grayland, WA
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Grayland, WA
- Average cloud cover in May: 50
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in May
Grayland, WA
- Average visibility in May: 5mi
The months with the highest visibility are March and April (6mi).
The month with the lowest visibility is August (4mi).
Grayland, Washington, USA
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