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
The onset of May in Renton marks a slight increase in the average high-temperature, moving from a moderate 56.8°F (13.8°C) in April to a still refreshing 65.3°F (18.5°C). May witnesses an average low-temperature hovering around a frosty 43.9°F (6.6°C).Humidity
In Renton, Washington, the average relative humidity in May is 74%.Rainfall
In Renton, in May, during 7.9 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Renton, during the entire year, the rain falls for 100.6 days and collects up to 7.6" (193mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Renton, Washington, the average length of the day in May is 15h and 9min.On the first day of May in Renton, sunrise is at 5:50 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:57 pm PDT.
Sunshine
In Renton, the average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Renton in May?
What is the average humidity in May in Renton?
How many days does it rain in May in Renton?
When it does not snow in Renton?
What is the average length of the day in May in Renton?
What time are sunrise and sunset in May in Renton?
How many hours of sunshine does Renton have in May?
What is the UV index reading in May in Renton?
Average temperature in May
Renton, WA
- Average high temperature in May: 65.3°F
The warmest months (with the highest average high temperature) are July and August (77.4°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in May: 43.9°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 (34.2°F).
Average pressure in May
Renton, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Renton, WA
- Average wind speed in May: 4.1mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in May
Renton, WA
- Average humidity in May: 74%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in May
Renton, WA
- Average rainfall in May: 0.47"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Renton, WA
- Average rainfall days in May: 7.9 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (3 days).
Average snowfall in May
Renton, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Renton, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.7 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
Renton, WA
- Average daylight in May: 15h and 1min
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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in May
Renton, WA
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in May
Renton, 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
Renton, WA
- Average cloud cover in May: 45
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Renton, WA
- Average visibility in May: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
Renton, Washington, USA
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