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

May weather forecast and climate
Iliamna, AK

May, the last month of the spring, in Iliamna, is a cool month, with average temperature fluctuating between 35.2°F (1.8°C) and 50.5°F (10.3°C).

Temperature

In Iliamna, the average high-temperature rises, from a cold 39.2°F (4°C) in April, to a cool 50.5°F (10.3°C). In May, in Iliamna, the average low-temperature is 35.2°F (1.8°C).

Rainfall

In May, in Iliamna, the rain falls for 9 days. Throughout May, 1.2" (29.7mm) of precipitation is accumulated. Throughout the year, there are 133 rainfall days, and 25.6" (649.2mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Iliamna, Alaska, are January through May, October through December.

Daylight

The average length of the day in May is 17.2h.

What is the temperature in May in Iliamna?

The average high-temperature, in May, in Iliamna, is 50.5°F (10.3°C), while the average low-temperature is 35.2°F (1.8°C).

How many days does it rain in May in Iliamna?

In Iliamna, Alaska, during May, the rain falls for 9 days and regularly aggregates up to 1.2" (29.7mm) of precipitation.

What is the last month it snows in Iliamna?

May is the last month it regularly snows in Iliamna, Alaska. Throughout May, Iliamna aggregates 1" (25.4mm) of snow.

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

The average length of the day in May in Iliamna, Alaska, is 17.2h.
Average temperature in May - Iliamna, AK
  • Average high temperature in May: 50.6°F

The warmest month (with the highest average high temperature) is July (62.5°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in May: 35.3°F

The month with the highest average low temperature is July (48.3°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average rainfall in May - Iliamna, AK
  • Average rainfall in May: 1.2"

The wettest month (with the highest rainfall) is August (4.6").
Driest months (with the lowest rainfall) are February, March and April (1.1").

Average rainfall days in May - Iliamna, AK
  • Average rainfall days in May: 9 days

Months with the highest number of rainy days are August and September (16 days).
Months with the lowest number of rainy days are March and April (8 days).

Average snowfall in May - Iliamna, AK
  • Average snowfall in May: 1"

The month with the highest snowfall is December (11.8").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in May - Iliamna, AK
  • Average daylight in May: 17.2h

The month with the longest days is June (Average daylight: 18.6h).
The month with shortest days is December (Average daylight: 6.1h).