May weather forecastAberdeen, WA
May
Weather in May
The last month of the spring, May, is an enjoyable month in Aberdeen, Washington, with an average temperature varying between 43.9°F (6.6°C) and 61.5°F (16.4°C).Temperature
The shift from April to May introduces a subtle increase in the average high-temperature, moving from a cool 54.3°F (12.4°C) to an enjoyable 61.5°F (16.4°C). An average low-temperature of 43.9°F (6.6°C) is common during the nights of May.Humidity
In Aberdeen, the average relative humidity in May is 80%.Rainfall
In May, the rain falls for 9.4 days. Throughout May, 0.55" (14mm) of precipitation is accumulated. In Aberdeen, Washington, during the entire year, the rain falls for 113.5 days and collects up to 10.24" (260mm) of precipitation.Snowfall
April through December are months without snowfall.Ocean temperature
In Aberdeen, the average seawater temperature in May is 52.5°F (11.4°C).Note: With the appropriate swimsuit, one can swim in 52.5°F (11.4°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.
Daylight
In Aberdeen, the average length of the day in May is 15h and 5min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:24 am and sunset at 9:02 pm PDT.
Sunshine
In Aberdeen, the average sunshine in May is 8.1h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in May suggests the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Aberdeen, WA
- Average high temperature in May: 61.5°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in May: 43.9°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).
Average pressure in May
Aberdeen, 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
Aberdeen, WA
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in May
Aberdeen, WA
- Average humidity in May: 80%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in May
Aberdeen, WA
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in May
Aberdeen, WA
- Average rainfall days in May: 9.4 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in May
Aberdeen, WA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Aberdeen, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in May
Aberdeen, WA
- Average sea temperature in May: 52.5°F
The best month for swimming (with the highest average sea temperature) is July (56.3°F).
The coldest month (with the lowest average sea temperature) is February (47.4°F).
Average daylight in May /
Average sunshine in May
Aberdeen, WA
- Average daylight in May: 15h and 6min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Aberdeen, WA
- Average sunshine days in May: 20 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).
Average UV index in May
Aberdeen, 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
Aberdeen, WA
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Aberdeen, WA
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, May, June and November (5mi).
The months with the lowest visibility are January, July, August, September, October and December (4mi).
