Annual average weather for Oregon, United States

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Annual Average Weather for Oregon, United States

The annual average maximum daily temperature is 14.4°C (58.0°F) which is a little too chilly for sunbathing. The annual average water temperature is typically 10.9°C (51.7°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit. Annually there are on average 17.3 days of rain per month and 5.9 hours of sun per day.

When is the best time to visit Oregon?

The best months to visit Oregon are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between June and October when the sea temperature is above the average 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Can you sunbathe in Oregon year round?

No, you can't sunbathe in Oregon all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

Even during the warmest month, sunbathing may not be ideal as temperatures don't reach 20°C (72°F). The warmest month in Oregon is August when the average maximum temperature is 19°C (67°F), average temperature is 15°C (60°F) and average minimum temperature is 12°C (53°F).

More info about the annual temperatures and sunshine.

Can you swim in Oregon year round?

No, you can't swim in Oregon all year round.

The warmest sea water temperatures in Oregon are found in August when they peak at 15°C (59°F) and lowest in February when they dip to 8°C (46°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures

When is the hottest month in Oregon?

The hottest month in Oregon is August when the average maximum temperature is not that warm but sunbathing may be possible on some clear days 19°C (67°F), average temperature is 15°C (60°F) and average minimum temperature is 12°C (53°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Oregon?

The coolest month in Oregon is December when the average maximum temperature is 10°C (49°F), average temperature is 6°C (44°F) and average minimum temperature is 3°C (38°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Oregon?

The sunniest days in Oregon are in July which has the most hours of sunshine per day. In July the sunshine percentage is 63.1% making it sunny but overcast at times. The hours of sunshine per day are 9.6hrs making the days long and bright.

More info about the annual sunshine.

When is the least sunny month in Oregon?

December has the least sunshine. In December the sunshine percentage is 29% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Oregon?

The driest month in Oregon is July with 1.7cm (0.7inches) of rain and the least days of rain with 7.9 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Oregon?

The wettest month in Oregon is November with 22cm (8.7inches) of rain and March has the most days of rain with 23.7 days with some rain, a very wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Oregon?

The coldest sea water temperatures in Oregon are found in February when they dip to 8°C (46°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia.

More info about the annual sea temperatures.

When is the sea the warmest in Oregon?

The warmest sea water temperatures in Oregon are found in August when they peak at 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

More info about the annual sea temperatures.

When is the most humid month in Oregon?

The most humid month in Oregon is August with a dew point (an indicator of humidity) of 14°C (57°F) which is comfortable for everyone.

More info about the annual humidity.

When is the least humid month in Oregon?

The least humid month in Oregon is December with a dew point of 6°C (43°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Oregon?

The most windy month in Oregon is December when the average maximum windspeed is 31KM/H (19MPH) and the average wind speed is 14KM/H (9MPH).

More info about the annual wind conditions.

Annual Temperature for Oregon

The hottest month in Oregon is August when the average maximum temperature is 19°C (67°F), average temperature is 15°C (60°F) and average minimum temperature is 12°C (53°F).

The coolest month in Oregon is December when the average maximum temperature is 10°C (10°F), average temperature is 6°C (44°F) and average minimum temperature is 3°C (38°F).

Annual Sunshine for Oregon

The longest days in Oregon are in June, with an average of 15.6 hours of daylight per day. December has the shortest days with an average of 8.8 hours of daylight per day.

The sunniest days in Oregon are in July which has the most hours of sunshine per day. The sunshine percentage is 63.1% making it sunny but overcast at times. The hours of sunshine per day are 9.6hrs making the days long and bright.

December has the least sunshine. The sunshine percentage is 29% making it extremely gloomy and overcast with little sunshine. There are 2.5 hours of sunshine per day.

The ultraviolet index is the highest in June when it reaches 9 and lowest in December when it reaches 1.2.

An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Oregon

The warmest sea water temperatures in Oregon are found in August when they peak at 15°C (59°F) and lowest in February when they dip to 8°C (46°F).

The sea is best for swimming between June and October when the temperature is above 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Annual Rainfall for Oregon

The wettest month in Oregon is November with 22cm (8.7inches) of rain and March has the most days of rain with 23.7 days with some rain, a very wet time to visit the beach.

The driest month in Oregon is July with 1.7cm (0.7inches) of rain and the least days of rain with 7.9 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Oregon

The most humid month in Oregon is August with a dew point (an indicator of humidity) of 14°C (57°F) which is comfortable for everyone.

The least humid month in Oregon is December with a dew point of 6°C (43°F) which is a bit dry for some.

Annual Wind Speed for Oregon

The most windy month in Oregon is December when the average maximum windspeed is 31KM/H (19MPH) and the average wind speed is 14KM/H (9MPH).

The least windy month in Oregon is September when the average maximum windspeed is 25KM/H (15MPH) and the average wind speed is 9KM/H (5MPH).

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