May weather forecastNavy Yard City, WA
May
Weather in May
The last month of the spring, May, is a refreshing month in Navy Yard City, Washington, with an average temperature varying between 45°F (7.2°C) and 65.1°F (18.4°C).Temperature
The start of May signals a slight increase in the average high-temperature, moving from a mild 56.7°F (13.7°C) in April to a still refreshing 65.1°F (18.4°C). Navy Yard City's average low-temperature in the month of May is recorded at a frosty 45°F (7.2°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In May, in Navy Yard City, the rain falls for 11.8 days. Throughout May, 0.83" (21mm) of precipitation is accumulated. In Navy Yard City, during the entire year, the rain falls for 138.9 days and collects up to 12.24" (311mm) of precipitation.Snowfall
April through October are months without snowfall in Navy Yard City.Ocean temperature
In Navy Yard City, Washington, in May, the average water temperature is 46.6°F (8.1°C).Note: Swimming in 46.6°F (8.1°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
The average length of the day in May is 15h and 9min.On the first day of May in Navy Yard City, sunrise is at 5:51 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:59 pm PDT.
Sunshine
The average sunshine in May is 9.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during May translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Navy Yard City, WA
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in May: 45°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in May
Navy Yard City, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in May
Navy Yard City, WA
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in May
Navy Yard City, WA
- Average humidity in May: 75%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Navy Yard City, WA
- Average rainfall in May: 0.83"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in May
Navy Yard City, WA
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in May
Navy Yard City, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Navy Yard City, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Navy Yard City, WA
- Average sea temperature in May: 46.6°F
The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).
Average daylight in May /
Average sunshine in May
Navy Yard City, WA
- Average daylight in May: 15h and 12min
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 30min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Navy Yard City, WA
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in May
Navy Yard City, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Navy Yard City, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Navy Yard City, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
