Climate and monthly weather forecast
Bonneville, OR

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Weather in January

January, the same as December, is a wintry winter month in Bonneville, Oregon, with an average temperature fluctuating between 39°F (3.9°C) and 30°F (-1.1°C). Bonneville's shift into January is marked by a subtle change to a still cold 39°F (3.9°C) from December's 37.9°F (3.3°C) in temperature. Weather in January »

Weather in February

February, the last month of the winter in Bonneville, is also an icy month, with an average temperature ranging between max 40.3°F (4.6°C) and min 29.7°F (-1.3°C). February begins with an average high-temperature of a still cold 40.3°F (4.6°C), reflecting close similarity to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Bonneville, Oregon, with an average temperature ranging between min 30.7°F (-0.7°C) and max 44.8°F (7.1°C). The beginning of March records an average high-temperature of a chilly 44.8°F (7.1°C), marking a negligible difference from February's 40.3°F (4.6°C). Weather in March »

Weather in April

April is a cool spring month in Bonneville, Oregon, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 51.8°F (11°C). April signifies a subtle uplift in the average high-temperature, adjusting from a chilly 44.8°F (7.1°C) in March to a fresh 51.8°F (11°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Bonneville, Oregon, with an average temperature varying between 39°F (3.9°C) and 61.3°F (16.3°C). Bonneville's weather in May shows a rise in the average high-temperature, moving up from April's fresh 51.8°F (11°C) to a refreshing 61.3°F (16.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a refreshing month in Bonneville, Oregon, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 43.3°F (6.3°C). The embrace of June brings a minor uplift in the average high-temperature, shifting from 61.3°F (16.3°C) in May to a still enjoyable 66.7°F (19.3°C). Weather in June »

Weather in July

July in Bonneville, Oregon, is a warm summer month, with an average temperature ranging between max 75.7°F (24.3°C) and min 47.1°F (8.4°C). In Bonneville, the average high-temperature in July rises, from a comfortable 66.7°F (19.3°C) in June, to a moderately hot 75.7°F (24.3°C). Weather in July »

Weather in August

August, the last month of the summer in Bonneville, is also a moderately hot month, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 76.5°F (24.7°C). Bonneville's August weather reaches an average high of 76.5°F (24.7°C) and an average low of 48.7°F (9.3°C), making it the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also an enjoyable month in Bonneville, Oregon, with an average temperature fluctuating between 45.7°F (7.6°C) and 67.5°F (19.7°C). September's onset brings a reduction in the average high-temperature, from a warm 76.5°F (24.7°C) in August to an enjoyable 67.5°F (19.7°C). Weather in September »

Weather in October

October, the same as September, in Bonneville, Oregon, is another mild autumn month, with an average temperature varying between 40.6°F (4.8°C) and 55.9°F (13.3°C). Stepping into October, Bonneville observes a temperature decline, with the average high falling from September's refreshing 67.5°F (19.7°C) to a moderate 55.9°F (13.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Bonneville, Oregon, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 44.6°F (7°C). During the transition into November, Bonneville observes a decrease in the average high-temperature, falling from a mild 55.9°F (13.3°C) in October to a frosty 44.6°F (7°C). Weather in November »

Weather in December

December, the first month of the winter in Bonneville, is also an icy month, with an average temperature ranging between max 37.9°F (3.3°C) and min 28.2°F (-2.1°C). Bonneville's coldest weather arrives in December, when temperatures average a high of 37.9°F (3.3°C) and a low of 28.2°F (-2.1°C). Weather in December »
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Frequently asked questions

What is the rainiest month in Bonneville?

January is the month with the most rainfall in Bonneville, Oregon. Rain falls for 16.6 days and accumulates 5.35" (136mm) of precipitation.

How much does it rain in Bonneville?

In Bonneville, during the entire year, the rain falls for 158.4 days and collects up to 30.31" (770mm) of precipitation.

When does it snow in Bonneville?

January through March, November and December are months with snowfall in Bonneville, Oregon.

What is the snowiest month in Bonneville?

January is the month with the most snowfall. Snow falls for 2.3 days and accumulates 3.62" (92mm) of snow.

How much does it snow in Bonneville?

In Bonneville, Oregon, during the entire year, snow falls for 11.5 days and aggregates up to 10" (254mm) of snow.

What is the month with the lowest UV index in Bonneville?

With an average maximum UV index of 1, January is the month with the lowest UV index in Bonneville, Oregon.

What is the most humid month in Bonneville?

The most humid month is February, with an average relative humidity of 89%.

What is the month with the least sunshine in Bonneville?

With an average of 3.2h of sunshine, February has the least sunshine of the year in Bonneville, Oregon.

When is Daylight Saving Time (DST) in Bonneville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bonneville, 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 Bonneville?

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

When are the longest days in Bonneville?

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

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

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

What are the least humid months in Bonneville?

The months with the lowest humidity in Bonneville are July and August, with an average relative humidity of 67%.

What is the driest month in Bonneville?

The month with the least rainfall is July, when the rain falls for 4.4 days and typically collects 0.28" (7mm) of precipitation.

What are the months with the most sunshine in Bonneville?

The months with the most sunshine are July and August, with an average of 10.9h of sunshine.

What time of the year is the hottest in Bonneville?

August, on average, is the warmest month, registering a high temperature of 76.5°F (24.7°C) and a low of 48.7°F (9.3°C).

What is the coldest time of year in Bonneville?

Bonneville's December weather reaches an average high of 37.9°F (3.3°C) and an average low of 28.2°F (-2.1°C), making it the coldest month.

What is the month with the shortest days in Bonneville?

The month with the shortest days in Bonneville, Oregon, is December, with an average of 8h and 48min of daylight.

Average temperature
Bonneville, OR

Average temperature - Bonneville, OR

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (37.9°F).

The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (28.2°F).

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Average pressure
Bonneville, OR

Average pressure - Bonneville, OR

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).

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Average wind speed
Bonneville, OR

Average wind speed - Bonneville, OR

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity
Bonneville, OR

Average humidity - Bonneville, OR

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (67%).

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Average rainfall
Bonneville, OR

Average rainfall - Bonneville, OR

The wettest month (with the highest rainfall) is January (5.35").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days
Bonneville, OR

Average rainfall days - Bonneville, OR

The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is July (4.4 days).

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Average snowfall
Bonneville, OR

Average snowfall - Bonneville, OR

The month with the highest snowfall is January (3.62").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Bonneville, OR

Average snowfall days - Bonneville, OR

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Bonneville, OR

Average daylight / Average sunshine - Bonneville, 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 months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).

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Average sunshine days
Bonneville, OR

Average sunshine days - Bonneville, OR

The month with the most sunshine days is July (24.5 days).
The month with the least sunshine days is February (9.4 days).

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Average visibility
Bonneville, OR

Average visibility - Bonneville, OR

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).

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Bonneville, Oregon, USA

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