The hottest month in Yukon is July when the average maximum temperature is 21°, average temperature is 16° and average minimum temperature is 12°.
The coolest month in Yukon is January when the average maximum temperature is 3°, average temperature is -0° and average minimum temperature is -3°.
The longest days in Yukon are in June, with an average of 16.3 hours of daylight per day. December has the shortest days with an average of 8.2 hours of daylight per day.
The sunniest days in Yukon are in July which has the most hours of sunshine per day with an average of 9.3 hours of sunshine per day, making it a sunny month with few clouds. December has the least sunshine with an average of 1.8 hours of sunshine per day, making it not a particularly sunny month.
The ultraviolet index is the highest in June when it reaches 8.4 and lowest in December when it reaches 1.1.
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 Yukon are found in August when they peak at 26° and lowest in February when they dip to 12°.
The sea is best for swimming between May and December when the temperature is above 20° which is comfortable for swimming though some may prefer warmer water.
The wettest month in Yukon is January with 20.3cm of rain and March has the most days of rain with 14.3 days with some rain, a slightly wet time to visit the beach.
The driest month in Yukon is July with 5.2cm of rain and the least days of rain with 7.5 days with some rain, a dry time to visit the beach.
The most humid month in Yukon is August with a dew point (an indicator of humidity) of 13° which is comfortable for everyone.
The least humid month in Yukon is February with a dew point of -1° which is a bit dry for some.
The most windy month in Yukon is March when the average maximum windspeed is 24kmh and the average wind speed is 12kmh.
The least windy month in Yukon is September when the average maximum windspeed is 20kmh and the average wind speed is 10kmh.