Climate and monthly weather forecast
Gaston, OR

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Weather in January

January, the same as December, in Gaston, Oregon, is another chilly winter month, with an average temperature ranging between max 44.4°F and min 33.6°F. The onset of January brings an average high-temperature of a still frosty 44.4°F, nearly matching the December temperature. Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Gaston, Oregon, with temperature in the range of an average high of 46.4°F and an average low of 34.3°F. Gaston marks the onset of February with an average high-temperature of a still chilly 46.4°F, a subtle shift from January's 44.4°F. Weather in February »

Weather in March

March, the first month of the spring in Gaston, is a cool month, with an average temperature varying between 36.1°F and 50.5°F. The start of March sees the average high-temperature at a cool 50.5°F, showing little difference from February's 46.4°F. Weather in March »

Weather in April

April in Gaston, Oregon, is a refreshing spring month, with an average temperature ranging between max 56.5°F and min 37.9°F. In Gaston, stepping into April brings a gentle temperature nudge, moving slightly up from March's fresh 50.5°F to a moderate 56.5°F. Weather in April »

Weather in May

May, the last month of the spring in Gaston, is an enjoyable month, with an average temperature varying between 43°F and 65.3°F. As May begins, there's a slight increase in the average high-temperature, moving from 56.5°F in April to a still refreshing 65.3°F. Weather in May »

Weather in June

June, the first month of the summer in Gaston, is a pleasant month, with an average temperature varying between 70.2°F and 46.8°F. The beginning of June records an average high-temperature of an agreeable 70.2°F, almost echoing the conditions of the previous month. Weather in June »

Weather in July

July is a warm summer month in Gaston, Oregon, with an average temperature varying between 51.4°F and 77.5°F. The shift into July is characterized by a subtle rise in the average high-temperature, transitioning from June's pleasant 70.2°F to a warm 77.5°F. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Gaston, Oregon, with an average temperature varying between 79.3°F and 53.2°F. Gaston's warmest weather arrives in August, when temperatures average a high of 79.3°F and a low of 53.2°F. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Gaston, Oregon, with an average temperature varying between 49.8°F and 71.6°F. Gaston's September weather features a light decline in high-temperatures, reducing from a moderately hot 79.3°F in August to a pleasant 71.6°F. Weather in September »

Weather in October

October, the same as September, in Gaston, Oregon, is a moderate autumn month, with an average temperature varying between 43.9°F and 59.5°F. During Gaston's transition into October, the average high-temperature lessens, moving from a pleasant 71.6°F in September to a refreshing 59.5°F. Weather in October »

Weather in November

November, the last month of the autumn in Gaston, is also a frosty month, with an average temperature fluctuating between 38.5°F and 49.3°F. November shows a mild decline in the average high-temperature, falling from October's moderate 59.5°F to a frosty 49.3°F. Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Gaston, Oregon, with an average temperature varying between 43°F and 33.1°F. December, with its high-temperature average of 43°F and a low-temperature average of 33.1°F, is the coldest month. Weather in December »
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Frequently asked questions

What is the rainiest month in Gaston?

The month with the most rainfall is January, when the rain falls for 19.3 days and typically aggregates up to 5.47" of precipitation.

How many days does it rain in Gaston?

Throughout the year, in Gaston, Oregon, there are 183.5 rainfall days, and 34.45" of precipitation is accumulated.

When does it snow in Gaston?

Months with snowfall in Gaston, Oregon, are January through March, November and December.

How much does it snow in Gaston?

In Gaston, Oregon, during the entire year, snow falls for 7.1 days and aggregates up to 4.69" of snow.

What are the months with the least sunshine in Gaston?

January and February, with an average of 3.5h of sunshine, are months with the least sunshine in Gaston, Oregon.

What is the most humid month in Gaston?

The months with the highest humidity are February and December, with an average relative humidity of 88%.

What is the snowiest month in Gaston?

February is the month with the most snowfall in Gaston. Snow falls for 2.9 days and accumulates 1.54" of snow.

When is Daylight Saving Time (DST) in Gaston?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Gaston, Oregon, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Gaston?

April through October are months without snowfall in Gaston, Oregon.

When are the longest days in Gaston?

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

When is the highest UV index in Gaston?

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

What is the driest month in Gaston?

July and August are months with the least rain in Gaston, Oregon, when the rain falls for 6.5 days and typically aggregates up to 0.47" of rain.

What are the warmest months in Gaston?

The average temperatures in Gaston reach their apex in August, averaging 79.3°F at the high end and 53.2°F at the low end.

What is the least humid month in Gaston?

August is the least humid month in Gaston, with an average relative humidity of 69%.

What month has the most sunshine in Gaston?

With an average of 10.4h of sunshine, August has the most sunshine of the year in Gaston, Oregon.

When is the lowest UV index in Gaston?

With an average maximum UV index of 1, November is the month with the lowest UV index in Gaston.

What part of the year is the coldest in Gaston?

Gaston's coldest weather arrives in December, when temperatures average a high of 43°F and a low of 33.1°F.

What is the month with the shortest days in Gaston?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average temperature
Gaston, OR

Average temperature - Gaston, OR

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (43°F).

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

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Average pressure
Gaston, OR

Average pressure - Gaston, OR

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed
Gaston, OR

Average wind speed - Gaston, OR

The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity
Gaston, OR

Average humidity - Gaston, OR

The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (69%).

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Average rainfall
Gaston, OR

Average rainfall - Gaston, OR

The wettest month (with the highest rainfall) is January (5.47").
The driest months (with the least rainfall) are July and August (0.47").

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Average rainfall days
Gaston, OR

Average rainfall days - Gaston, OR

The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.2 days).

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Average snowfall
Gaston, OR

Average snowfall - Gaston, OR

The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Gaston, OR

Average snowfall days - Gaston, OR

The month with the highest number of snowfall days is February (2.9 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
Gaston, OR

Average daylight / Average sunshine - Gaston, 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 month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).

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Average sunshine days
Gaston, OR

Average sunshine days - Gaston, OR

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (7.6 days).

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Average visibility
Gaston, OR

Average visibility - Gaston, OR

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).

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Gaston, Oregon, USA

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