May weather forecast
Woodburn, OR

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Weather in May

May in Woodburn, Oregon, is characterized by a steady rise in temperature. The city begins to experience significant warmth. A notable reduction in rainfall to 1.69" (43mm) further eases the wet spell which is typical for the region. Nature is in full bloom and the spring beauty is at its peak. As May progresses, the climate shifts towards an even warmer and brighter June.

Temperature

May brings a slight rise in Woodburn's average high-temperature, moving from a refreshing 58.1°F (14.5°C) in April to an enjoyable 66.2°F (19°C). In Woodburn, a significant divergence from daytime highs is recorded, with average lows of 43°F (6.1°C) during May nights.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Woodburn, in May, it is raining for 13.3 days, with typically 1.69" (43mm) of accumulated precipitation. In Woodburn, during the entire year, the rain falls for 169.2 days and collects up to 28.35" (720mm) of precipitation.

Snowfall

In Woodburn, snow does not fall in April through October.

Daylight

In May, the average length of the day in Woodburn is 14h and 53min.
On the first day of May, sunrise is at 5:58 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:51 pm PDT.

Sunshine

In Woodburn, the average sunshine in May is 8.8h.

UV index

In Woodburn, 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 exposure to the Sun's UV rays for the average person.
Note: The UV index of 4 during May leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for Woodburn in May?

The average high-temperature, in May, in Woodburn, is 66.2°F (19°C), while the average low-temperature is 43°F (6.1°C).

What is the average humidity in May in Woodburn?

In Woodburn, Oregon, the average relative humidity in May is 76%.

How many days does it rain in May in Woodburn?

In Woodburn, Oregon, during May, the rain falls for 13.3 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Woodburn?

In Woodburn, Oregon, snow does not fall in April through October.

How many hours of daylight does Woodburn have in May?

In Woodburn, the average day length in May is 14h and 53min.

When are sunrise and sunset in May in Woodburn?

On the first day of May in Woodburn, Oregon, sunrise is at 5:58 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:51 pm PDT.

How many hours of sunshine does Woodburn have in May?

In May, the average sunshine duration in Woodburn is 8.8h.

How high is the UV index in May in Woodburn?

The average daily maximum UV index in May in Woodburn, Oregon, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Woodburn, OR

Average temperature in May - Woodburn, OR
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in May: 43°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).

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Average pressure in May
Woodburn, OR

Average pressure in May - Woodburn, OR
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in May
Woodburn, OR

Average wind speed in May - Woodburn, OR
  • Average wind speed in May: 4.3mph

The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in May
Woodburn, OR

Average humidity in May - Woodburn, OR
  • Average humidity in May: 76%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in May
Woodburn, OR

Average rainfall in May - Woodburn, OR
  • Average rainfall in May: 1.69"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in May
Woodburn, OR

Average rainfall days in May - Woodburn, OR
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is March (19.9 days).
The months with the least rainy days are July and August (4.3 days).

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Average snowfall in May
Woodburn, OR

Average snowfall in May - Woodburn, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Woodburn, OR

Average snowfall days in May - Woodburn, OR
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Woodburn, OR

Average daylight in May / Average sunshine in May - Woodburn, OR
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in May
Woodburn, OR

Average sunshine days in May - Woodburn, OR
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in May
Woodburn, OR

Average UV index in May - Woodburn, OR
  • 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).

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Average cloud cover in May
Woodburn, OR

Average cloud cover in May - Woodburn, OR
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in May
Woodburn, OR

Average visibility in May - Woodburn, OR
  • Average visibility in May: 5mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).

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Woodburn, Oregon, USA

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