March weather forecast and climate
Ketchikan, AK

Beautiful and colorful houses along the waterfront boardwalk on Creek Street in Ketchikan, Alaska
Beautiful and colorful houses along the waterfront boardwalk on Creek Street in Ketchikan, Alaska

Weather in March

March, the first month of the spring, in Ketchikan, is still a cold month, with average temperature ranging between max 40.3°F (4.6°C) and min 32.4°F (0.2°C).

Temperature

In Ketchikan, the average high-temperature is practically the same as in February - a still cold 40.3°F (4.6°C). The average low-temperature, in March, is 32.4°F (0.2°C).

Humidity

The average relative humidity in Ketchikan, Alaska, is 83%.

Rainfall

In Ketchikan, Alaska, in March, during 15.9 rainfall days, 6.22" (158mm) of precipitation is typically accumulated. In Ketchikan, during the entire year, the rain falls for 221.8 days and collects up to 80" (2032mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In March, in Ketchikan, it is snowing for 10.8 days. Throughout March, 11.81" (300mm) of snow is accumulated. Throughout the year, there are 40.7 snowfall days, and 48.35" (1228mm) 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 in Ketchikan.
Note: 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.

Daylight

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

Sunshine

In March, the average sunshine in Ketchikan is 4.7h.

UV index

The average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in March in Ketchikan?

In March, in Ketchikan, the average high-temperature is 40.3°F (4.6°C), and the average low-temperature is 32.4°F (0.2°C).

What is the average humidity in March in Ketchikan?

In Ketchikan, the average relative humidity in March is 83%.

How much does it rain in Ketchikan in March?

In Ketchikan, Alaska, during March, the rain falls for 15.9 days and regularly aggregates up to 6.22" (158mm) of precipitation.

How much does it snow in Ketchikan in March?

In Ketchikan, during March, snow falls for 10.8 days and regularly aggregates up to 11.81" (300mm) of snow.

What is the month with the coldest ocean in Ketchikan?

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

What is the water temperature in March in Ketchikan?

In March, the average ocean temperature is 42.4°F (5.8°C). Swimming in 42.4°F (5.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Ketchikan have in March?

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

How many hours of sunshine does Ketchikan have in March?

In Ketchikan, the average sunshine in March is 4.7h.

What is the UV index intensity in March in Ketchikan?

In Ketchikan, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.

Average temperature in March
Ketchikan, AK

Average temperature in March - Ketchikan, AK
  • Average high temperature in March: 40.3°F

The warmest months (with the highest average high temperature) are July and August (60.8°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in March: 32.4°F

The month with the highest average low temperature is August (52°F).
The coldest month (with the lowest average low temperature) is February (30.6°F).

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Average pressure in March
Ketchikan, AK

Average pressure in March - Ketchikan, AK
  • Average pressure in March: 29.85"

The month with the highest atmospheric pressure is July (30.06").
The month with the lowest atmospheric pressure is November (29.8").

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Average wind speed in March
Ketchikan, AK

Average wind speed in March - Ketchikan, AK
  • Average wind speed in March: 7.5mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in March
Ketchikan, AK

Average humidity in March - Ketchikan, AK
  • Average humidity in March: 83%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (82%).

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Average rainfall in March
Ketchikan, AK

Average rainfall in March - Ketchikan, AK
  • Average rainfall in March: 6.22"

The wettest month (with the highest rainfall) is January (9.69").
The driest month (with the least rainfall) is May (3.46").

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Average rainfall days in March
Ketchikan, AK

Average rainfall days in March - Ketchikan, AK
  • Average rainfall days in March: 15.9 days

The month with the highest number of rainy days is November (21.4 days).
The month with the least rainy days is February (14.2 days).

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Average snowfall in March
Ketchikan, AK

Average snowfall in March - Ketchikan, AK
  • Average snowfall in March: 11.81"

The month with the highest snowfall is February (13.11").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in March
Ketchikan, AK

Average snowfall days in March - Ketchikan, AK
  • Average snowfall days in March: 10.8 days

The month with the highest number of snowfall days is March (10.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in March
Ketchikan, AK

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).

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Average daylight in March /
Average sunshine in March
Ketchikan, AK

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 the shortest days is December (Average daylight: 7.2h).

  • Average sunshine in March: 4.7h

The month with the most sunshine is May (Average sunshine: 7.2h).
The month with the least sunshine is January (Average sunshine: 3h).

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Average sunshine days in March
Ketchikan, AK

Average sunshine days in March - Ketchikan, AK
  • Average sunshine days in March: 8.6 days

The month with the most sunshine days is July (11.9 days).
The month with the least sunshine days is November (5.6 days).

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Average UV index in March
Ketchikan, AK

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

Months with the highest UV index are July and August (UV index 4).
Months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in March
Ketchikan, AK

Average cloud cover in March - Ketchikan, AK
  • Average cloud cover in March: 63

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 55).

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Average visibility in March
Ketchikan, AK

Average visibility in March - Ketchikan, AK
  • Average visibility in March: 6mi

Months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
Months with the lowest visibility are January, July and August (5mi).

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