Climate and monthly weather forecast
John Day, OR

The iconic Painted Hills in the famous John Day Fossil Beds National Monument, Oregon
The iconic Painted Hills in the famous John Day Fossil Beds National Monument, Oregon

Weather in January

January, the same as December, is a wintry winter month in John Day, Oregon, with an average temperature ranging between max 35.2°F (1.8°C) and min 22.1°F (-5.5°C). In January, the average high-temperature is practically the same as in December - a still wintry 35.2°F (1.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in John Day, Oregon, with an average temperature fluctuating between 36.3°F (2.4°C) and 22.5°F (-5.3°C). In February, the average high-temperature is almost the same as in January - a still wintry 36.3°F (2.4°C). Weather in February »

Weather in March

March, the first month of the spring in John Day, is also a wintry month, with an average temperature varying between 42.6°F (5.9°C) and 26.2°F (-3.2°C). In John Day, the average high-temperature in March marginally rises from 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 is a cool spring month in John Day, Oregon, with an average temperature ranging between min 29.3°F (-1.5°C) and max 50.4°F (10.2°C). In John Day, the average high-temperature in April slightly increases from a wintry 42.6°F (5.9°C) in March to a fresh 50.4°F (10.2°C). Weather in April »

Weather in May

May, the last month of the spring in John Day, is a comfortable month, with an average temperature ranging between max 61.3°F (16.3°C) and min 36.1°F (2.3°C). In May, the average high-temperature increases from a fresh 50.4°F (10.2°C) in April to a comfortable 61.3°F (16.3°C). Weather in May »

Weather in June

June, the first month of the summer in John Day, is an agreeable month, with an average temperature ranging between min 41.2°F (5.1°C) and max 69.4°F (20.8°C). In John Day, the average high-temperature in June marginally rises 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 is a warm summer month in John Day, Oregon, with an average temperature ranging between max 81.7°F (27.6°C) and min 48.4°F (9.1°C). The warmest month is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 48.4°F (9.1°C). In July, the average heat index is evaluated at 81.5°F (27.5°C). Weather in July »

Weather in August

August, the last month of the summer in John Day, 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). In August, the average high-temperature is relatively the same as in July - a still moderately hot 81°F (27.2°C). Weather in August »

Weather in September

September, the first month of the autumn in John Day, is still a pleasant month, with an average temperature varying between 44.2°F (6.8°C) and 71.2°F (21.8°C). In John Day, the average high-temperature in September decreases 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, the same as September, in John Day, Oregon, is a moderate autumn month, with an average temperature varying between 35.6°F (2°C) and 56.3°F (13.5°C). In John Day, the average high-temperature in October plummets from an agreeable 71.2°F (21.8°C) in September to a moderate 56.3°F (13.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in John Day, 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). In November, the average high-temperature drops from a moderate 56.3°F (13.5°C) in October to a frosty 43°F (6.1°C). Weather in November »

Weather in December

December, the first month of the winter in John Day, is still a cold month, with an average temperature varying between 33.4°F (0.8°C) and 19.6°F (-6.9°C). With an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 19.6°F (-6.9°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in John Day?

In John Day, Oregon, during the entire year, the rain falls for 127.7 days and collects up to 17.09" (434mm) of precipitation.

When does it snow in John Day?

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

How much does it snow in John Day?

In John Day, 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 John Day?

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

What is the month with the lowest UV index in John Day?

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

What is the most humid month in John Day?

The most humid month in John Day is February, with an average relative humidity of 85%.

What is the rainiest month in John Day?

The month with the most rainfall in John Day, Oregon, is February, when the rain falls for 11.9 days and typically aggregates up to 2.28" (58mm) of precipitation.

When does it snow the most in John Day?

The month with the most snowfall 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 John Day?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in John Day, Oregon, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in John Day?

June through August are months without snowfall.

When are the longest days in John Day?

With an average of 15h and 29min of daylight, June has the longest days of the year in John Day.

What is the warmest month in John Day?

The warmest month in John Day, Oregon, is July, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 48.4°F (9.1°C).

What is the driest month in John Day?

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

When is the highest UV index in John Day?

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

What is the least humid month in John Day?

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

What month has the most sunshine in John Day?

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

What is the coldest month in John Day?

With an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 19.6°F (-6.9°C), December is the coldest month in John Day, Oregon.

What is the month with the shortest days in John Day?

The month with the shortest days in John Day, Oregon, is December, with an average of 8h and 55min of daylight.

Average temperature
John Day, OR

Average temperature - John Day, 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
John Day, OR

Average pressure - John Day, 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
John Day, OR

Average wind speed - John Day, 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
John Day, OR

Average rainfall - John Day, 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
John Day, OR

Average rainfall days - John Day, 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
John Day, OR

Average snowfall - John Day, 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
John Day, OR

Average snowfall days - John Day, 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
John Day, OR

Average daylight / Average sunshine - John Day, OR

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

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
John Day, OR

Average sunshine days - John Day, 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
John Day, OR

Average UV index - John Day, 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
John Day, OR

Average visibility - John Day, 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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