Climate and monthly weather forecast
Brightwood, OR

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Weather in January

January, the same as December, is a wintry winter month in Brightwood, Oregon, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 42.4°F (5.8°C). Brightwood experiences an average high-temperature of a still wintry 42.4°F (5.8°C) in January, marking an insignificant shift from 40.6°F (4.8°C) in December. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Brightwood, Oregon, with an average temperature ranging between min 32°F (0°C) and max 42.6°F (5.9°C). In Brightwood, February's average high-temperature stands at a still cold 42.6°F (5.9°C), closely related to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Brightwood, Oregon, with an average temperature varying between 47.1°F (8.4°C) and 33.6°F (0.9°C). The average high-temperature during March is a chilly 47.1°F (8.4°C), almost matching the conditions of the preceding month. Weather in March »

Weather in April

April is a cool spring month in Brightwood, Oregon, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 53.2°F (11.8°C). April's arrival brings a slight change in high-temperatures, adjusting from a chilly 47.1°F (8.4°C) in March to a fresh 53.2°F (11.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Brightwood, Oregon, with an average temperature varying between 40.8°F (4.9°C) and 62.2°F (16.8°C). Brightwood's weather in May presents a rise in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in April to a comfortable 62.2°F (16.8°C). Weather in May »

Weather in June

The first month of the summer, June, is still a refreshing month in Brightwood, Oregon, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 67.5°F (19.7°C). The arrival of June brings an average high-temperature of a still refreshing 67.5°F (19.7°C), closely following the temperature pattern of May. Weather in June »

Weather in July

July in Brightwood, Oregon, is a warm summer month, with an average temperature varying between 48.2°F (9°C) and 75.9°F (24.4°C). Observing a minor shift, the average high-temperature during July adjusts from June's refreshing 67.5°F (19.7°C) to a moderately hot 75.9°F (24.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Brightwood, Oregon, with an average temperature fluctuating between 49.8°F (9.9°C) and 77.4°F (25.2°C). In Brightwood, August is identified by the highest average temperatures, reaching a peak of 77.4°F (25.2°C) and a low of 49.8°F (9.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Brightwood, Oregon, with an average temperature varying between 69.1°F (20.6°C) and 47.3°F (8.5°C). Brightwood, Oregon, in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 77.4°F (25.2°C) to a pleasant 69.1°F (20.6°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Brightwood, Oregon, with an average temperature ranging between min 41.9°F (5.5°C) and max 57.7°F (14.3°C). Transition into October marks a drop in the average high-temperature, moving from an agreeable 69.1°F (20.6°C) in September to a moderate 57.7°F (14.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Brightwood, is another chilly month, with an average temperature ranging between max 46.8°F (8.2°C) and min 36.5°F (2.5°C). A shift in the average high-temperature occurs in November, reducing from a refreshing 57.7°F (14.3°C) in October to a chilly 46.8°F (8.2°C). Weather in November »

Weather in December

December, the first month of the winter in Brightwood, is also an icy month, with an average temperature ranging between max 40.6°F (4.8°C) and min 30.7°F (-0.7°C). December, marked by an average high-temperature of 40.6°F (4.8°C) and a low-temperature of 30.7°F (-0.7°C), is the coldest month. Weather in December »
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

In Brightwood, during the entire year, the rain falls for 178.5 days and collects up to 41.65" (1058mm) of precipitation.

When does it snow?

Months with snowfall in Brightwood are January through May, November and December.

How much does it snow?

In Brightwood, during the entire year, snow falls for 31.6 days and aggregates up to 33.86" (860mm) of snow.

What is the most humid month?

The most humid month is February, with an average relative humidity of 87%.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 8.5 days and typically aggregates up to 11.69" (297mm) of snow.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 3.9h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow?

In Brightwood, snow does not fall in June through October.

When are the longest days in Brightwood?

With an average of 15h and 36min of daylight, June has the longest days of the year.

What are the months with the highest UV index in Brightwood?

The months with the highest UV index are June and July, with an average maximum UV index of 5.

What is the driest month?

July is the month with the least rainfall. Rain falls for 6 days and accumulates 0.43" (11mm) of precipitation.

What month is the hottest?

In Brightwood, the average temperatures in August are the highest, with a peak at 77.4°F (25.2°C) and a low of 49.8°F (9.9°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 66%.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 11.2h of sunshine.

What is the month with the lowest UV index?

With an average maximum UV index of 1, November is the month with the lowest UV index.

What is the coldest time of year?

The coldest period is December, when temperatures fluctuate between an average high of 40.6°F (4.8°C) and a low of 30.7°F (-0.7°C).

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 18.5 days and typically aggregates up to 6.42" (163mm) of precipitation.

What is the month with the shortest days?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average temperature
Brightwood, OR

Average temperature - Brightwood, OR

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).

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).

Average pressure
Brightwood, OR

Average pressure - Brightwood, OR

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

Average wind speed
Brightwood, OR

Average wind speed - Brightwood, OR

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).

Average humidity
Brightwood, OR

Average humidity - Brightwood, OR

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

Average rainfall
Brightwood, OR

Average rainfall - Brightwood, OR

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

Average rainfall days
Brightwood, OR

Average rainfall days - Brightwood, OR

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).

Average snowfall
Brightwood, OR

Average snowfall - Brightwood, OR

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

Average snowfall days
Brightwood, OR

Average snowfall days - Brightwood, OR

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).

Average daylight / Average sunshine
Brightwood, OR

Average daylight / Average sunshine - Brightwood, OR

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).

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).

Average sunshine days
Brightwood, OR

Average sunshine days - Brightwood, OR

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

Average visibility
Brightwood, OR

Average visibility - Brightwood, OR

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).

Brightwood, Oregon, USA

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