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

May weather forecast and climate
Seward, AK

Aerial view over the busy Small Boat Harbor in Seward City, Alaska
Aerial view over the busy Small Boat Harbor in Seward City, Alaska
May, the last month of the spring, in Seward, is a fresh month, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 53.1°F (11.7°C).

Temperature

In Seward, the average high-temperature marginally rises, from a chilly 44.8°F (7.1°C) in April, to a cool 53.1°F (11.7°C). In May, in Seward, the average low-temperature is 39.9°F (4.4°C).

Rainfall

In Seward, during May, the rain falls for 13.5 days and regularly aggregates up to 3.4" (85.6mm) of precipitation. In Seward, during the entire year, the rain falls for 171.6 days and collects up to 73.3" (1862.4mm) of precipitation.

Snowfall

Months with snowfall in Seward are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, Seward aggregates 0.3" (7.6mm) of snow. Throughout the year, there are 29.2 snowfall days, and 64.4" (1635.8mm) of snow is accumulated.

Ocean temperature

In Seward, the average seawater temperature is 45.1°F (7.3°C).
Note: Swimming in 45.1°F (7.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Seward, the average length of the day in May is 17.3h.

What is the temperature in May in Seward?

In Seward, in May, the average high-temperature is 53.1°F (11.7°C), and the average low-temperature is 39.9°F (4.4°C).

How much does it rain in Seward in May?

In Seward, Alaska, during May, the rain falls for 13.5 days and regularly aggregates up to 3.4" (85.6mm) of precipitation.

What is the last month it snows in Seward?

May is the last month it regularly snows in Seward. During 0.1 snowfall days, in May, Seward aggregates 0.3" (7.6mm) of snow.

What is the water temperature in May in Seward?

In Seward, in May, the average water temperature is 45.1°F (7.3°C). Swimming in 45.1°F (7.3°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In May, the average length of the day is 17.3h.
Average temperature in May - Seward, AK
  • Average high temperature in May: 53°F

The warmest month (with the highest average high temperature) is August (61.5°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in May: 39.9°F

The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average rainfall in May - Seward, AK
  • Average rainfall in May: 3.4"

The wettest month (with the highest rainfall) is September (9.9").
The driest month (with the lowest rainfall) is June (2.4").

Average rainfall days in May - Seward, AK
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is September (16.9 days).
The month with the lowest number of rainy days is June (11.6 days).

Average snowfall in May - Seward, AK
  • Average snowfall in May: 0.3"

The month with the highest snowfall is December (15.7").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in May - Seward, AK
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is December (6.7 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in May - Seward, AK
  • Average sea temperature in May: 45.2°F

The best month for swimming (with the highest average sea temperature) is August (56°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight in May - Seward, AK
  • Average daylight in May: 17.3h

The month with the longest days is June (Average daylight: 18.8h).
The month with shortest days is December (Average daylight: 6h).