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

March weather forecast and climate
Ketchikan, AK

Beautiful and colorful houses along the iconic waterfront boardwalk on Creek Street in Ketchikan, Alaska
Beautiful and colorful houses along the iconic waterfront boardwalk on Creek Street in Ketchikan, Alaska
The first month of the spring, March, is a frosty month in Ketchikan, Alaska, with average temperature varying between 43.5°F (6.4°C) and 33.1°F (0.6°C).

Temperature

In March, the average high-temperature is essentially the same as in February - a chilly 43.5°F (6.4°C). In March, the average low-temperature is 33.1°F (0.6°C).

Rainfall

In Ketchikan, in March, during 20 rainfall days, 11.3" (286.5mm) of precipitation is typically accumulated. In Ketchikan, during the entire year, the rain falls for 229 days and collects up to 153.2" (3892.3mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Ketchikan, in March, 5.4" (137.2mm) of snow is typically accumulated. Throughout the year, 39.5" (1003.2mm) of snow is accumulated.

Ocean temperature

With an average ocean temperature of 42.4°F (5.8°C), March is the month with the coldest seawater.
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Ketchikan, the average length of the day is 11.9h.

Sunshine

In Ketchikan, Alaska, the average sunshine in March is 3h.

UV index

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in March in Ketchikan?

In Ketchikan, Alaska, in March, the average high-temperature is 43.5°F (6.4°C), and the average low-temperature is 33.1°F (0.6°C).

How much does it rain in Ketchikan in March?

In March, in Ketchikan, the rain falls for 20 days. Throughout March, 11.3" (286.5mm) of precipitation is accumulated.

How much does it snow in Ketchikan in March?

During March, Ketchikan regularly aggregates up to 5.4" (137.2mm) of snow.

When is the ocean coldest in Ketchikan?

The month with the coldest seawater in Ketchikan, Alaska, is March, with an average ocean temperature of 42.4°F (5.8°C).

What is the water temperature in March in Ketchikan?

In Ketchikan, Alaska, in March, the average water temperature is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°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 March in Ketchikan?

The average length of the day in March is 11.9h.

How many hours of sunshine does Ketchikan have in March?

In Ketchikan, Alaska, the average sunshine in March is 3h.

How high is the UV index in March in Ketchikan?

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
Average temperature in March - Ketchikan, AK
  • Average high temperature in March: 43.6°F

The warmest month (with the highest average high temperature) is August (64.5°F).
The month with the lowest average high temperature is January (38.4°F).

  • Average low temperature in March: 33°F

The month with the highest average low temperature is August (52.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average rainfall in March - Ketchikan, AK
  • Average rainfall in March: 11.3"

The wettest month (with the highest rainfall) is October (22.2").
Driest months (with the lowest rainfall) are June and July (7.4").

Average rainfall days in March - Ketchikan, AK
  • Average rainfall days in March: 20 days

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

Average snowfall in March - Ketchikan, AK
  • Average snowfall in March: 5.4"

The month with the highest snowfall is January (13.3").
Months with the lowest snowfall are June, July, August and September (0").

Average sea temperature in March - Ketchikan, AK
  • Average sea temperature in March: 42.5°F

The best month for swimming (with the highest average sea temperature) is August (55.9°F).
The coldest month (with the lowest average sea temperature) is March (42.5°F).

Average daylight in March / Average sunshine in March - Ketchikan, AK
  • Average daylight in March: 11.9h

The month with the longest days is June (Average daylight: 17.4h).
The month with shortest days is December (Average daylight: 7.2h).

  • Average sunshine in March: 3h

The month with most sunshine is May (Average sunshine: 6h).
The month with least sunshine is December (Average sunshine: 1h).

Average UV index in March - Ketchikan, AK
  • Average UV index in March: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).