Climate and monthly weather forecast
Greenhorn, OR

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Weather in January

January, like December, in Greenhorn, Oregon, is an icy winter month, with an average temperature ranging between max 35.2°F (1.8°C) and min 22.1°F (-5.5°C). With the onset of January, Greenhorn's average high-temperature clocks in at a still wintry 35.2°F (1.8°C), showing a minor fluctuation from the previous month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Greenhorn, Oregon, with an average temperature ranging between min 22.5°F (-5.3°C) and max 36.3°F (2.4°C). February records an average high-temperature of a still icy 36.3°F (2.4°C), indicating a minor variation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Greenhorn, is also a wintry month, with an average temperature varying between 42.6°F (5.9°C) and 26.2°F (-3.2°C). With the onset of March, Greenhorn experiences a subtle temperature shift, with the average high-temperature moving from a wintry 36.3°F (2.4°C) in February to a still cold 42.6°F (5.9°C). Weather in March »

Weather in April

April in Greenhorn, Oregon, is a fresh spring month, with an average temperature fluctuating between 50.4°F (10.2°C) and 29.3°F (-1.5°C). April's arrival sees a mild rise in the average high-temperature, transitioning from March's icy 42.6°F (5.9°C) to a fresh 50.4°F (10.2°C). Weather in April »

Weather in May

May, the last month of the spring in Greenhorn, is a comfortable month, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 36.1°F (2.3°C). As Greenhorn transitions into May, a rise in the average high-temperature is observed, moving from a cool 50.4°F (10.2°C) in April to a refreshing 61.3°F (16.3°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Greenhorn, Oregon, with an average temperature fluctuating between 69.4°F (20.8°C) and 41.2°F (5.1°C). June brings a slight rise in Greenhorn's average high-temperature, moving from a comfortable 61.3°F (16.3°C) in May to an agreeable 69.4°F (20.8°C). Weather in June »

Weather in July

July in Greenhorn, Oregon, is a warm summer month, with an average temperature varying between 48.4°F (9.1°C) and 81.7°F (27.6°C). Greenhorn witnesses the warmest weather in July, with temperatures averaging a high of 81.7°F (27.6°C) and a low of 48.4°F (9.1°C). Throughout July, the heat index is evaluated at 82.4°F (28°C). Weather in July »

Weather in August

August, the last month of the summer in Greenhorn, is also a moderately hot month, with an average temperature ranging between max 81°F (27.2°C) and min 49.6°F (9.8°C). August's advent presents an average high-temperature of a still moderately hot 81°F (27.2°C), indicating a slight variation from the conditions of the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Greenhorn, is still a pleasant month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 71.2°F (21.8°C). During Greenhorn's transition into September, the average high-temperature lessens, moving from a warm 81°F (27.2°C) in August to a pleasant 71.2°F (21.8°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Greenhorn, Oregon, with an average temperature fluctuating between 56.3°F (13.5°C) and 35.6°F (2°C). The arrival of October is marked by a notable decrease in high-temperatures, falling from an agreeable 71.2°F (21.8°C) in September to a refreshing 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Greenhorn, Oregon, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 27.5°F (-2.5°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's moderate 56.3°F (13.5°C) to a chilly 43°F (6.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Greenhorn, Oregon, with an average temperature varying between 19.6°F (-6.9°C) and 33.4°F (0.8°C). With average high temperatures of 33.4°F (0.8°C) and lows of 19.6°F (-6.9°C), December is the coldest month. Weather in December »
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Frequently asked questions

How much does it rain in Greenhorn?

Throughout the year, there are 127.7 rainfall days, and 17.09" (434mm) of precipitation is accumulated.

When does it snow in Greenhorn?

Months with snowfall in Greenhorn, Oregon, are January through May, September through December.

How many days does it snow in Greenhorn?

In Greenhorn, Oregon, during the entire year, snow falls for 62.5 days and aggregates up to 39.17" (995mm) of snow.

What is the month with the least sunshine in Greenhorn?

The months with the least sunshine are January and February, with an average of 5.2h of sunshine.

What are the months with the lowest UV index in Greenhorn?

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

What is the most humid month in Greenhorn?

With an average relative humidity of 85%, February is the most humid month.

What is the rainiest month in Greenhorn?

February is the month with the most rainfall in Greenhorn, Oregon. Rain falls for 11.9 days and accumulates 2.28" (58mm) of precipitation.

What is the snowiest month in Greenhorn?

The month with the most snowfall in Greenhorn, Oregon, is February, when snow falls for 12.5 days and typically aggregates up to 10.31" (262mm) of snow.

When is Daylight Saving Time (DST) in Greenhorn?

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

In Greenhorn, Oregon, snow does not fall in June through August.

When are the longest days in Greenhorn?

With an average of 15h and 30min of daylight, June has the longest days of the year.

What are the warmest months in Greenhorn?

July registers as the month with the average highest temperatures in Greenhorn, Oregon, reaching 81.7°F (27.6°C) at its peak and 48.4°F (9.1°C) at the lowest.

What is the driest month in Greenhorn?

The month with the least rainfall in Greenhorn, Oregon, is July, when the rain falls for 3.8 days and typically collects 0.24" (6mm) of precipitation.

What is the month with the highest UV index in Greenhorn?

With an average maximum UV index of 6, July is the month with the highest UV index in Greenhorn, Oregon.

What is the least humid month in Greenhorn?

August is the least humid month, with an average relative humidity of 42%.

What month has the most sunshine in Greenhorn?

With an average of 12.1h of sunshine, August has the most sunshine of the year.

What are the coldest months in Greenhorn?

During the coldest month in Greenhorn, December, temperatures average a high of 33.4°F (0.8°C) and a low of 19.6°F (-6.9°C).

What is the month with the shortest days in Greenhorn?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

Average temperature
Greenhorn, OR

Average temperature - Greenhorn, OR

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (33.4°F).

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).

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Average pressure
Greenhorn, OR

Average pressure - Greenhorn, OR

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

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Average wind speed
Greenhorn, OR

Average wind speed - Greenhorn, OR

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

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Average rainfall
Greenhorn, OR

Average rainfall - Greenhorn, OR

The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days
Greenhorn, OR

Average rainfall days - Greenhorn, OR

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall
Greenhorn, OR

Average snowfall - Greenhorn, OR

The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Greenhorn, OR

Average snowfall days - Greenhorn, OR

The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Greenhorn, OR

Average daylight / Average sunshine - Greenhorn, OR

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

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Average sunshine days
Greenhorn, OR

Average sunshine days - Greenhorn, OR

The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).

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Average UV index
Greenhorn, OR

Average UV index - Greenhorn, OR

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

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Average visibility
Greenhorn, OR

Average visibility - Greenhorn, OR

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Greenhorn, Oregon, USA

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