Yosemite National Park is definitely worth a visit
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Annette Island Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Annette Island.
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Climate overview of Annette Island
Annette Island, United States of America, experiences moderate temperature changes through the seasons. August is the warmest month with daytime highs of 16°C (61°F), while January is the coolest at 6°C (43°F).
With around 3115 mm (123 in) of annual rain/snowfall, Annette Island has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has mild summers and cold winters. The wettest month is October. The sunniest month is May, with 6.2 hours of sunshine per day on average.
Annette Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Annette Island - and find the best time to visit.
Monthly Temperature in Annette Island
In Annette Island, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a moderate 16°C (61°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 6°C (43°F).
At night, temperatures range from around 13°C (55°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Annette Island
Annette Island has a relatively rain/snowy climate with high precipitation levels, averaging 3115 mm (123 in) of rain/snowfall annually. Annette Island can be quite wet during October, receiving approximately 385 mm (15 in) of precipitation over 24 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 142 mm (5.6 in) of precipitation spread across 14 rainy days. For more details, please visit our Annette Island Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Annette Island
Annette Island can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Annette Island by Month
The relative humidity is high throughout the year in Annette Island.
The city experiences its highest humidity in September, reaching 82%. In March, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Annette Island
The average wind speed over the year ranges from 3 m/s (6 knots) to 4 m/s (8 knots). It is lower in May, June, July, August and September and higher in January, February, March, April, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Annette Island
The most favourable weather available in Annette Island usually occurs in June and July. Conditions are generally most challenging in January, February, March, April, May, August, September, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very wet
Feb
very wet
Mar
very wet
Apr
very wet
May
wet
Jun
mixed
Jul
mixed
Aug
very wet
Sep
very wet
Oct
very wet
Nov
very wet
Dec
very wet
- Best overall: June and July
- Warmest weather: July and August
- Most sunshine: May
- Fewest rainy days: May, June, July and August
- Seasonal pattern: Mild summers and cold winters
Frequently asked questions about the climate in Annette Island
What is the best time to visit Annette Island?
June and July typically offer the most optimal weather in Annette Island. In contrast, January, February, March, April, May, August, September, October, November and December tend to have less optimal conditions. Annette Island has mild summers and cold winters.
What temperatures can I expect in Annette Island?
Daytime highs range from 6°C (43°F) in January to 16°C (61°F) in August. Nighttime lows range from 2°C (36°F) to 13°C (55°F).
How much rain does Annette Island get?
Annual rainfall is around 3115 mm (123 in). October is the wettest month with 385 mm (15 in), while July is the driest with 142 mm (5.6 in).
How sunny is Annette Island?
Annette Island receives around 1,292 hours of sunshine per year. May is the sunniest month with 185 hours, while December is the cloudiest with just 36 hours.
Annette Island 3-Day Forecast
Annette Island on the map
Annette Island is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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