Climate and monthly weather forecast
Brothers, OR

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Weather in January

January, the same as December, is an icy winter month in Brothers, Oregon, with an average temperature varying between 38.8°F (3.8°C) and 26.6°F (-3°C). The initiation of January sees an average high-temperature of a still wintry 38.8°F (3.8°C), showing minor variations from the previous month. Weather in January »

Weather in February

February, the last month of the winter in Brothers, is also a wintry month, with an average temperature varying between 27.1°F (-2.7°C) and 39.7°F (4.3°C). The transition into February is marked with an average high-temperature of a still cold 39.7°F (4.3°C), showing an insignificant shift from January's 38.8°F (3.8°C). Weather in February »

Weather in March

March, the first month of the spring in Brothers, is a chilly month, with an average temperature varying between 45.1°F (7.3°C) and 31.1°F (-0.5°C). March comes with a subtle rise, with the average high-temperature adjusting from an icy 39.7°F (4.3°C) in February to a frosty 45.1°F (7.3°C). Weather in March »

Weather in April

April in Brothers, Oregon, is a fresh spring month, with an average temperature varying between 52.9°F (11.6°C) and 34.9°F (1.6°C). Brothers's transition into April brings a slight rise in the average high-temperature, moving from a frosty 45.1°F (7.3°C) in March to a fresh 52.9°F (11.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Brothers, Oregon, with an average temperature fluctuating between 41.4°F (5.2°C) and 62.2°F (16.8°C). With the onset of May, Brothers's weather sees a temperature rise, transitioning from a fresh 52.9°F (11.6°C) in April to a comfortable 62.2°F (16.8°C). Weather in May »

Weather in June

June, the first month of the summer in Brothers, is an agreeable month, with an average temperature ranging between min 47.3°F (8.5°C) and max 69.6°F (20.9°C). The start of June brings a subtle rise in the average high-temperature, moving from an enjoyable 62.2°F (16.8°C) in May to a pleasant 69.6°F (20.9°C). Weather in June »

Weather in July

July in Brothers, Oregon, is a moderately hot summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 53.8°F (12.1°C). In Brothers, July is the warmest month, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 53.8°F (12.1°C). For July, the heat index is calculated to be 80.6°F (27°C). Weather in July »

Weather in August

August, the last month of the summer in Brothers, is also a moderately hot month, with an average temperature ranging between min 54.3°F (12.4°C) and max 80.6°F (27°C). August's arrival shows an average high-temperature of a still moderately hot 80.6°F (27°C), hardly different from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Brothers, is still a pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 48.4°F (9.1°C). Start of September brings a shift in the average high-temperature, falling from August's moderately hot 80.6°F (27°C) to a pleasant 71.1°F (21.7°C). Weather in September »

Weather in October

October, the same as September, in Brothers, Oregon, is a moderate autumn month, with an average temperature varying between 39.4°F (4.1°C) and 57.2°F (14°C). In October, the average high-temperature goes from an agreeable 71.1°F (21.7°C) in September to a moderate 57.2°F (14°C). Weather in October »

Weather in November

November, the last month of the autumn in Brothers, is also a frosty month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 45.1°F (7.3°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a moderate 57.2°F (14°C) in October to a frosty 45.1°F (7.3°C). Weather in November »

Weather in December

December, the first month of the winter in Brothers, is also an icy month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 36.1°F (2.3°C). The coldest time of the year is December, with temperatures averaging a high of 36.1°F (2.3°C) and a low of 24.3°F (-4.3°C). Weather in December »
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

Throughout the year, there are 65.5 rainfall days, and 5.67" (144mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through April, September through December.

How much does it snow?

Throughout the year, there are 20.9 snowfall days, and 9.02" (229mm) of snow is accumulated.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall in Brothers is February, when snow falls for 4.4 days and typically aggregates up to 3.15" (80mm) of snow.

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.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 7.6 days and typically aggregates up to 0.67" (17mm) of precipitation.

When it does not snow?

In Brothers, snow does not fall in May through August.

When are the longest days?

With an average of 15h and 24min of daylight, June has the longest days of the year.

What are the warmest months?

In Brothers, July is known for its average highest temperatures, reaching a high of 81.1°F (27.3°C) and a low of 53.8°F (12.1°C).

What are the least humid months?

The months with the lowest humidity are July and August, with an average relative humidity of 43%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 2 days and typically collects 0.08" (2mm) of precipitation.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

What part of the year is the coldest?

Brothers's coldest temperatures are experienced in December, with average high temperatures of 36.1°F (2.3°C) and lows of 24.3°F (-4.3°C).

What is the most humid month?

With an average relative humidity of 81%, December is the most humid month.

What is the month with the shortest days?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

With an average of 5.4h of sunshine, December has the least sunshine of the year.

Average temperature
Brothers, OR

Average temperature - Brothers, OR

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.1°F).

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

Average pressure
Brothers, OR

Average pressure - Brothers, OR

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed
Brothers, OR

Average wind speed - Brothers, OR

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).

Average humidity
Brothers, OR

Average humidity - Brothers, OR

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (43%).

Average rainfall
Brothers, OR

Average rainfall - Brothers, OR

The wettest month (with the highest rainfall) is May (0.67").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days
Brothers, OR

Average rainfall days - Brothers, OR

The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is July (2 days).

Average snowfall
Brothers, OR

Average snowfall - Brothers, OR

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days
Brothers, OR

Average snowfall days - Brothers, OR

The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Brothers, OR

Average daylight / Average sunshine - Brothers, OR

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days
Brothers, OR

Average sunshine days - Brothers, OR

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (19.5 days).

Average UV index
Brothers, OR

Average UV index - Brothers, OR

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Brothers, OR

Average visibility - Brothers, OR

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

Brothers, Oregon, USA

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