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
As April transitions into May, Arlington notices a gentle rise in the average high-temperature, transitioning from a fresh 53.6°F (12°C) to an enjoyable 61.3°F (16.3°C). In May, in Arlington, the average low-temperature is a chilly 43.7°F (6.5°C).Humidity
In May, the average relative humidity in Arlington, Washington, is 78%.Rainfall
In Arlington, in May, it is raining for 14.3 days, with typically 2.05" (52mm) of accumulated precipitation. In Arlington, during the entire year, the rain falls for 188.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
May through October are months without snowfall in Arlington.Daylight
In May, the average length of the day is 15h and 14min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:12 am and sunset at 9:00 pm PDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are May temperatures in Arlington?
What is the average humidity in May in Arlington?
How much does it rain in Arlington in May?
When it does not snow in Arlington?
Does it snow in Arlington in May?
What is the average length of the day in May in Arlington?
When is the sunrise / sunset in May in Arlington?
How long on average sun shines in May in Arlington?
What is the UV index reading in May in Arlington?
Average temperature in May
Arlington, WA
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in May: 43.7°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in May
Arlington, WA
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Arlington, WA
- Average wind speed in May: 3.9mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in May
Arlington, WA
- Average humidity in May: 78%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in May
Arlington, WA
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in May
Arlington, WA
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in May
Arlington, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Arlington, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.3 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
Arlington, 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 1min
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
Arlington, WA
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in May
Arlington, 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, October, November and December (UV index 2).
Average cloud cover in May
Arlington, WA
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in May
Arlington, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Arlington, Washington, USA
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