The hottest month in Kathleen Lake is July when the average maximum temperature is 19°, average temperature is 13° and average minimum temperature is 6°.
The coolest month in Kathleen Lake is January when the average maximum temperature is -13°, average temperature is -18° and average minimum temperature is -23°.
The longest days in Kathleen Lake are in June, with an average of 19 hours of daylight per day. December has the shortest days with an average of 5.7 hours of daylight per day.
The sunniest days in Kathleen Lake are in June which has the most hours of sunshine per day with an average of 7 hours of sunshine per day, making it a quite sunny month with some cloud cover. December has the least sunshine with an average of 0.9 hours of sunshine per day, making it not a particularly sunny month.
The ultraviolet index is the highest in June when it reaches 6.8 and lowest in December when it reaches 1.2.
An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. 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 Kathleen Lake are found in August when they peak at 13° and lowest in February when they dip to 6°.
The sea is best for swimming between June and December when the temperature is above 9° which is very cold and bracing, it's not recommended you swim with out a full wet suit.
The wettest month in Kathleen Lake is May with 6.9cm of rain and August has the most days of rain with 11.5 days with some rain, a slightly wet time to visit the beach.
The driest month in Kathleen Lake is March with 1.2cm of rain and January has the fewest days of rain with 2.5 days with some rain, a very dry time to visit the beach.
The most humid month in Kathleen Lake is August with a dew point (an indicator of humidity) of 8° which is a bit dry for some.
The least humid month in Kathleen Lake is January with a dew point of -17° which is a bit dry for some.
The most windy month in Kathleen Lake is May when the average maximum windspeed is 19kmh and the average wind speed is 7kmh.
The least windy month in Kathleen Lake is December when the average maximum windspeed is 10kmh and the average wind speed is 4kmh.
