Gustavus (AK) Weather and Climate: A Comprehensive Guide
The temperature in Gustavus can vary quite a bit throughout the year.
Temperatures can be mild during the warmest months,
and very cold during the cooler months.
It is also known for its large amounts of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
Visitors to Gustavus can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a moderate 15°C in August to a very cold 2°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -2°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Check out our detailed temperature page for more information.
Precipitation and rainy days
Gustavus is known for its substantial rain/snowfall, with annual precipitation reaching 2884 mm. The climate in Gustavus shows significant variation throughout the year. Expect heavy rainfall in October, with an average of 367 mm of precipitation over 23 rainy days. In contrast, June offers drier and sunnier days, with around 127 mm of rainfall over 13 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
For more details, please visit our Gustavus Precipitation page.
Sunshine over the year
For those who appreciate different seasons, Gustavus serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 7.7 hours of sunshine daily, and embrace the darker days in December, offering only 1.4 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The city experiences its highest humidity in September, reaching 87%. In April, the humidity drops to its lowest level at 76%.
Relative humidity over the year
almost clear and no rain overcast and slight snow broken clouds and no rainForecast for Gustavus (AK)
The best time of year to visit Gustavus in the United States of America
The average rainfall figures in Gustavus are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose May which is the sunniest month of the year.Other facts from our historical weather data:
The coldest season / winter is in the following months: January, February, March and December.
August has an average maximum temperature of 15°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 2°C.
October tops the wettest month list with 367 mm of rainfall.
June is the driest month with 127 mm of precipitation.
May is the sunniest month with an average of 230 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.