May weather forecast
Oso, WA

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Weather in May

The last month of the spring, May, is an enjoyable month in Oso, Washington, with an average temperature ranging between max 61.3°F (16.3°C) and min 43.7°F (6.5°C).

Temperature

May brings a slight elevation in the average high-temperature, transitioning from April's fresh 53.6°F (12°C) to a refreshing 61.3°F (16.3°C). Oso, during the month of May, experiences an average low-temperature of 43.7°F (6.5°C).

Humidity

In May, the average relative humidity is 78%.

Rainfall

In Oso, in May, during 14.3 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, in Oso, there are 188.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 15h and 14min.
On the first day of May in Oso, sunrise is at 5:47 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:59 pm PDT.

Sunshine

In Oso, the average sunshine in May is 9.1h.

UV index

In Oso, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the temperature in May in Oso?

An average high-temperature, in May, in Oso, is 61.3°F (16.3°C) and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in May in Oso?

The average relative humidity in May in Oso is 78%.

How many days does it rain in May in Oso?

In Oso, in May, it is raining for 14.3 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Oso?

May through October are months without snowfall in Oso, Washington.

Does it snow in Oso in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Oso have in May?

In Oso, the average day length in May is 15h and 14min.

What time are sunrise and sunset in May in Oso?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:59 pm PDT.

How long on average sun shines in May in Oso?

The average sunshine duration in May in Oso is 9.1h.

What is the UV index intensity in May in Oso?

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Oso, WA

Average temperature in May - Oso, 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
Oso, WA

Average pressure in May - Oso, 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
Oso, WA

Average wind speed in May - Oso, 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
Oso, WA

Average humidity in May - Oso, 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
Oso, WA

Average rainfall in May - Oso, 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
Oso, WA

Average rainfall days in May - Oso, 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
Oso, WA

Average snowfall in May - Oso, 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
Oso, WA

Average snowfall days in May - Oso, 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
Oso, WA

Average daylight in May / Average sunshine in May - Oso, 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
Oso, WA

Average sunshine days in May - Oso, 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
Oso, WA

Average UV index in May - Oso, 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
Oso, WA

Average cloud cover in May - Oso, 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
Oso, WA

Average visibility in May - Oso, 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).

Oso, Washington, USA

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