Gustavus
Alaska, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Gustavus, AK

Brown sand and water on a section of the Gustavus Beach, Alaska, and snow-peaked mountains in the far view
Brown sand and water on a section of the Gustavus Beach, Alaska, and snow-peaked mountains in the far view
The last month of the spring, May, is a cool month in Gustavus, Alaska, with average temperature ranging between min 37.8°F (3.2°C) and max 55.2°F (12.9°C).

Temperature

In May, the average high-temperature slightly increases, from a chilly 48°F (8.9°C) in April, to a cool 55.2°F (12.9°C). In Gustavus, the average low-temperature is 37.8°F (3.2°C).

Rainfall

In Gustavus, it is raining for 17 days, with typically 2.8" (72.1mm) of accumulated precipitation. Throughout the year, there are 217 rainfall days, and 55.7" (1415.3mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Gustavus, Alaska. May is the last month it regularly snows in Gustavus, Alaska. Throughout May, Gustavus aggregates 0.2" (5.1mm) of snow. In Gustavus, during the entire year, snow aggregates up to 76" (1930.4mm).

Daylight

The average length of the day in May is 16.9h.

What is the temperature in May in Gustavus?

In Gustavus, in May, the average high-temperature is 55.2°F (12.9°C), and the average low-temperature is 37.8°F (3.2°C).

How many days does it rain in May in Gustavus?

In Gustavus, Alaska, in May, during 17 rainfall days, 2.8" (72.1mm) of precipitation is typically accumulated.

What is the last month it snows in Gustavus?

May is the last month it regularly snows in Gustavus, Alaska. Throughout May, Gustavus aggregates 0.2" (5.1mm) of snow.

What is the average length of the day in May in Gustavus?

The average length of the day in May in Gustavus is 16.9h.
Average temperature in May - Gustavus, AK
  • Average high temperature in May: 55.3°F

The warmest month (with the highest average high temperature) is July (63.4°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 37.7°F

The month with the highest average low temperature is July (48.1°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average rainfall in May - Gustavus, AK
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is October (8.6").
The driest month (with the lowest rainfall) is April (2.5").

Average rainfall days in May - Gustavus, AK
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is October (24 days).
The month with the lowest number of rainy days is June (15 days).

Average snowfall in May - Gustavus, AK
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (19.7").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in May - Gustavus, AK
  • Average daylight in May: 16.9h

The month with the longest days is June (Average daylight: 18.2h).
The month with shortest days is December (Average daylight: 6.5h).