Climate and monthly weather forecast
Bruneau, ID

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Weather in January

January, the same as December, is another cold winter month in Bruneau, Idaho, with temperature in the range of an average low of 26.6°F (-3°C) and an average high of 37.9°F (3.3°C). The weather during January records an average high-temperature of a still icy 37.9°F (3.3°C), closely mirroring the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Bruneau, is a chilly month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 43.2°F (6.2°C). February's arrival shows an average high-temperature of a frosty 43.2°F (6.2°C), hardly different from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Bruneau, Idaho, with an average temperature ranging between min 37°F (2.8°C) and max 52.9°F (11.6°C). March sees a temperature increase, moving from a chilly 43.2°F (6.2°C) in February to a cool 52.9°F (11.6°C). Weather in March »

Weather in April

April in Bruneau, Idaho, is a mild spring month, with an average temperature ranging between min 41.5°F (5.3°C) and max 59.9°F (15.5°C). April's arrival coincides with a subtle temperature rise, moving from March's fresh 52.9°F (11.6°C) to a moderate 59.9°F (15.5°C). Weather in April »

Weather in May

May, the last month of the spring in Bruneau, is an agreeable month, with an average temperature fluctuating between 49.1°F (9.5°C) and 70.5°F (21.4°C). As Bruneau transitions into May, a rise in the average high-temperature is observed, moving from a mild 59.9°F (15.5°C) in April to an agreeable 70.5°F (21.4°C). Weather in May »

Weather in June

June, the first month of the summer in Bruneau, is a moderately hot month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 57°F (13.9°C). The shift into June is characterized by a rise in the average high-temperature, transitioning from May's agreeable 70.5°F (21.4°C) to a moderately hot 79.9°F (26.6°C). Weather in June »

Weather in July

July in Bruneau, Idaho, is a hot summer month, with an average temperature varying between 66.4°F (19.1°C) and 91.2°F (32.9°C). The temperatures reach their highest averages in July, with highs of 91.2°F (32.9°C) and lows of 66.4°F (19.1°C). Weather in July »

Weather in August

August, the last month of the summer in Bruneau, is also a hot month, with an average temperature fluctuating between 65.7°F (18.7°C) and 89.4°F (31.9°C). The average high-temperature in August, at a still hot 89.4°F (31.9°C), reveals a modest deviation from July's 91.2°F (32.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Bruneau, is still a warm month, with an average temperature fluctuating between 57.7°F (14.3°C) and 79.2°F (26.2°C). A shift in the average high-temperature occurs in September, reducing from a hot 89.4°F (31.9°C) in August to a warm 79.2°F (26.2°C). Weather in September »

Weather in October

October, like September, in Bruneau, Idaho, is another comfortable autumn month, with an average temperature fluctuating between 62.2°F (16.8°C) and 45.1°F (7.3°C). October's arrival signals a significant decrease in average high-temperatures, falling from September's moderately hot 79.2°F (26.2°C) to a comfortable 62.2°F (16.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Bruneau, is another chilly month, with an average temperature fluctuating between 34.3°F (1.3°C) and 48.9°F (9.4°C). The onset of November brings a small change in high-temperatures, falling from an enjoyable 62.2°F (16.8°C) in October to a frosty 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in Bruneau, is also an icy month, with an average temperature ranging between max 36.7°F (2.6°C) and min 26.1°F (-3.3°C). December, on average, is the coldest month, registering a high temperature of 36.7°F (2.6°C) and a low of 26.1°F (-3.3°C). Weather in December »
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

The most humid month is January, with an average relative humidity of 75%.

How many days does it rain?

In Bruneau, during the entire year, the rain falls for 100.2 days and collects up to 7.48" (190mm) of precipitation.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 17.1 snowfall days, and 6.34" (161mm) of snow is accumulated.

When is the lowest UV index?

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

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 MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What are the warmest months?

In Bruneau, July is known for its average highest temperatures, reaching a high of 91.2°F (32.9°C) and a low of 66.4°F (19.1°C).

What is the least humid month?

The least humid month is July, with an average relative humidity of 25%.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

When is the highest UV index?

With an average maximum UV index of 7, July is the month with the highest UV index.

What is the driest month?

The month with the least rainfall is August, when the rain falls for 3.7 days and typically collects 0.2" (5mm) of precipitation.

What are the coldest months?

In Bruneau, December records the average lowest temperatures, peaking at 36.7°F (2.6°C) and reaching a low of 26.1°F (-3.3°C).

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 9.6 days and typically aggregates up to 1.06" (27mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 5.5 days and accumulates 2.64" (67mm) of snow.

What is the month with the shortest days in Bruneau?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.2h of sunshine.

Average temperature
Bruneau, ID

Average temperature - Bruneau, ID

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (36.7°F).

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

Average pressure
Bruneau, ID

Average pressure - Bruneau, ID

The month with the highest atmospheric pressure is January (30.26"Hg).
The months with the lowest atmospheric pressure are June and August (29.88"Hg).

Average wind speed
Bruneau, ID

Average wind speed - Bruneau, ID

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are January and September (6.5mph).

Average humidity
Bruneau, ID

Average humidity - Bruneau, ID

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (25%).

Average rainfall
Bruneau, ID

Average rainfall - Bruneau, ID

The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is August (0.2").

Average rainfall days
Bruneau, ID

Average rainfall days - Bruneau, ID

The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are July and August (3.7 days).

Average snowfall
Bruneau, ID

Average snowfall - Bruneau, ID

The month with the highest snowfall is December (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Bruneau, ID

Average snowfall days - Bruneau, ID

The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Bruneau, ID

Average daylight / Average sunshine - Bruneau, ID

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

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

Average sunshine days
Bruneau, ID

Average sunshine days - Bruneau, ID

The month with the most sunshine days is July (24 days).
The month with the least sunshine days is March (13.6 days).

Average UV index
Bruneau, ID

Average UV index - Bruneau, ID

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Bruneau, ID

Average visibility - Bruneau, ID

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

Bruneau, Idaho, USA

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