The hottest month in Yachats Beach is August when the average maximum temperature is 18°, average temperature is 14° and average minimum temperature is 11°.
The coolest month in Yachats Beach is December when the average maximum temperature is 10°, average temperature is 7° and average minimum temperature is 4°.
The longest days in Yachats Beach are in June, with an average of 15.5 hours of daylight per day. December has the shortest days with an average of 8.9 hours of daylight per day.
The sunniest days in Yachats Beach are in July which has the most hours of sunshine per day with an average of 9.7 hours of sunshine per day, making it a sunny month with few clouds. December has the least sunshine with an average of 2.8 hours of sunshine per day, making it not a particularly sunny month.
The ultraviolet index is the highest in June when it reaches 9.2 and lowest in December when it reaches 1.3.
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.
The warmest sea water temperatures in Yachats Beach are found in August when they peak at 16° and lowest in February when they dip to 9°.
The sea is best for swimming between May and December when the temperature is above 12° which is very cold and bracing, it's not recommended you swim with out a full wet suit.
The wettest month in Yachats Beach is January with 16.4cm of rain and March has the most days of rain with 22.3 days with some rain, a very wet time to visit the beach.
The driest month in Yachats Beach is July with 0.8cm of rain and the least days of rain with 7.1 days with some rain, a dry time to visit the beach.
The most humid month in Yachats Beach is August with a dew point (an indicator of humidity) of 14° which is comfortable for everyone.
The least humid month in Yachats Beach is December with a dew point of 6° which is a bit dry for some.
The most windy month in Yachats Beach is December when the average maximum windspeed is 33kmh and the average wind speed is 17kmh.
The least windy month in Yachats Beach is September when the average maximum windspeed is 25kmh and the average wind speed is 9kmh.