May weather forecast
Brightwood, OR

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Weather in May

May, the last month of the spring in Brightwood, is a refreshing month, with an average temperature varying between 40.8°F (4.9°C) and 62.2°F (16.8°C).

Temperature

Brightwood sees an increase in the average high-temperature with the arrival of May, moving from April's cool 53.2°F (11.8°C) to an enjoyable 62.2°F (16.8°C). Nighttime temperature in Brightwood experiences an average drop to a cold 40.8°F (4.9°C) in May.

Humidity

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

Rainfall

In Brightwood, in May, it is raining for 14.8 days, with typically 2.44" (62mm) of accumulated precipitation. In Brightwood, during the entire year, the rain falls for 178.5 days and collects up to 41.65" (1058mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Brightwood. May is the last month it regularly snows. During 0.2 snowfall days, in May, Brightwood aggregates 0.04" (1mm) of snow. Throughout the year, there are 31.6 snowfall days, and 33.86" (860mm) of snow is accumulated.

Daylight

In May, the average length of the day in Brightwood is 14h and 55min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:15 pm. On the last day of May, sunrise is at 5:23 am and sunset at 8:48 pm PDT.

Sunshine

The average sunshine in May in Brightwood is 8.6h.

UV index

In May, the average daily maximum UV index in Brightwood is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 4 in May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Brightwood in May?

In May, in Brightwood, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 40.8°F (4.9°C).

What is the average humidity in May in Brightwood?

In May, the average relative humidity is 76%.

How many days does it rain in May in Brightwood?

In May, in Brightwood, Oregon, the rain falls for 14.8 days. Throughout May, 2.44" (62mm) of precipitation is accumulated.

What is the last month it snows in Brightwood?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Brightwood aggregates 0.04" (1mm) of snow.

How many hours of daylight does Brightwood have in May?

In Brightwood, the average day length in May is 14h and 55min.

When are sunrise and sunset in May in Brightwood?

In May, on the first day of the month, sunrise is at 5:54 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:48 pm PDT.

How long on average sun shines in May in Brightwood?

The average sunshine duration in May is 8.6h.

How high is the UV index in May in Brightwood?

In May, the average daily maximum UV index in Brightwood, Oregon, is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Brightwood, OR

Average temperature in May - Brightwood, OR
  • Average high temperature in May: 62.2°F

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (40.6°F).

  • Average low temperature in May: 40.8°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).

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Average pressure in May
Brightwood, OR

Average pressure in May - Brightwood, OR
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).

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Average wind speed in May
Brightwood, OR

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

The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in May
Brightwood, OR

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

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in May
Brightwood, OR

Average rainfall in May - Brightwood, OR
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is December (6.42").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in May
Brightwood, OR

Average rainfall days in May - Brightwood, OR
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is July (6 days).

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Average snowfall in May
Brightwood, OR

Average snowfall in May - Brightwood, OR
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (11.69").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Brightwood, OR

Average snowfall days in May - Brightwood, OR
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Brightwood, 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 4min

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days in May
Brightwood, OR

Average sunshine days in May - Brightwood, OR
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index in May
Brightwood, OR

Average UV index in May - Brightwood, OR
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in May
Brightwood, OR

Average cloud cover in May - Brightwood, OR
  • Average cloud cover in May: 49

The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in May
Brightwood, OR

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

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

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Brightwood, Oregon, USA

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