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 sea temperature 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
Entering May, Oak Harbor notices a subtle temperature elevation, with the average high-temperature advancing from April's cool 52.3°F (11.3°C) to a mild 59°F (15°C). Throughout May, Oak Harbor registers a consistent average low-temperature of 48°F (8.9°C).Humidity
The average relative humidity in May in Oak Harbor is 78%.Rainfall
In May, the rain falls for 13.6 days. Throughout May, 1.69" (43mm) of precipitation is accumulated. In Oak Harbor, during the entire year, the rain falls for 183.8 days and collects up to 24.45" (621mm) of precipitation.Snowfall
May through October are months without snowfall in Oak Harbor.Ocean temperature
In Oak Harbor, in May, the average water temperature is 46.4°F (8°C).Note: Dipping in 46.4°F (8°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The average length of the day in May is 15h and 14min.On the first day of May, sunrise is at 5:49 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 9:02 pm PDT.
Sunshine
In May, the average sunshine is 9.8h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 4 transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Oak Harbor in May?
What is the average humidity in May in Oak Harbor?
How much does it rain in Oak Harbor in May?
When it does not snow in Oak Harbor?
Does it snow in Oak Harbor in May?
What is the water temperature in May in Oak Harbor?
What is the average length of the day in May in Oak Harbor?
When is the sunrise / sunset in May in Oak Harbor?
How long on average sun shines in May in Oak Harbor?
What is the UV index reading in May in Oak Harbor?
Average temperature in May
Oak Harbor, WA
- Average high temperature in May: 59°F
The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).
Average pressure in May
Oak Harbor, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Oak Harbor, WA
- Average wind speed in May: 5mph
The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Oak Harbor, WA
- Average humidity in May: 78%
The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Oak Harbor, WA
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is November (3.46").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in May
Oak Harbor, WA
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (7.5 days).
Average snowfall in May
Oak Harbor, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Oak Harbor, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Oak Harbor, WA
- Average sea temperature in May: 46.3°F
The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).
Average daylight in May /
Average sunshine in May
Oak Harbor, 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 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Oak Harbor, WA
- Average sunshine days in May: 15.6 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in May
Oak Harbor, 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, November and December (UV index 2).
Average cloud cover in May
Oak Harbor, WA
- Average cloud cover in May: 37
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Oak Harbor, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Oak Harbor, Washington, USA
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