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 start of May is characterized by an increase in the average high-temperature, transitioning from a cool 53.2°F (11.8°C) in April to a comfortable 62.2°F (16.8°C). An average minimum temperature of 41.4°F (5.2°C) marks the month of May.Humidity
In Maple Valley, Washington, the average relative humidity in May is 77%.Rainfall
In Maple Valley, during May, the rain falls for 14.4 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Maple Valley, during the entire year, the rain falls for 182.4 days and collects up to 36.77" (934mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Maple Valley, the average length of the day in May is 15h and 8min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:20 pm. On the last day of May, in Maple Valley, Washington, sunrise is at 5:15 am and sunset at 8:56 pm PDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 4 suggests these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the average May temperature in Maple Valley?
What is the average humidity in May in Maple Valley?
How much does it rain in Maple Valley in May?
When it does not snow in Maple Valley?
Does it snow in Maple Valley in May?
What is the average length of the day in May in Maple Valley?
When are sunrise and sunset in May in Maple Valley?
How long on average sun shines in May in Maple Valley?
How high is the UV index in May in Maple Valley?
Average temperature in May
Maple Valley, WA
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in May: 41.4°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (31.6°F).
Average pressure in May
Maple Valley, WA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30"Hg).
Average wind speed in May
Maple Valley, WA
- Average wind speed in May: 3.8mph
The windiest month (with the highest average wind speed) is January (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Maple Valley, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Maple Valley, WA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is December (5.43").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in May
Maple Valley, WA
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in May
Maple Valley, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Maple Valley, WA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Maple Valley, 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 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in May
Maple Valley, WA
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in May
Maple Valley, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Maple Valley, WA
- Average cloud cover in May: 47
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Maple Valley, WA
- Average visibility in May: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
Maple Valley, Washington, USA
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