March weather forecast and climate
Juneau, AK

Blooming fireweed in Juneau, Alaska, with snowy mountain peaks in the distance
Blooming fireweed in Juneau, Alaska, with snowy mountain peaks in the distance

Temperature

The average high-temperature, is 39.6°F (4.2°C), while the average low-temperature is 28°F (-2.2°C).

Humidity

In March, the average relative humidity is 79.4%.

Rainfall

In Juneau, during March, the rain falls for 18.9 days and regularly aggregates up to 3.8" (96mm) of precipitation. In Juneau, during the entire year, the rain falls for 229.8 days and collects up to 62.3" (1581.6mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December.

Ocean temperature

March is the month with the coldest seawater in Juneau, with an average ocean temperature of 40.5°F (4.7°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

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

Sunshine

In Juneau, the average sunshine is 4.4h.

UV index

In March, the average UV index in Juneau is 2.

What is the temperature in March in Juneau?

The average high-temperature, in March, in Juneau, is 39.6°F (4.2°C), while the average low-temperature is 28°F (-2.2°C).

What is the average humidity in March in Juneau?

In March, the average relative humidity in Juneau is 79.4%.

How many days does it rain in March in Juneau?

In Juneau, in March, it is raining for 18.9 days, with typically 3.8" (96mm) of accumulated precipitation.

How much does it snow in Juneau in March?

In March, in Juneau, it is snowing for 6.8 days. Throughout March, 11.6" (294.6mm) of snow is accumulated.

When is the ocean coldest in Juneau?

March is the month with the coldest seawater in Juneau, with an average ocean temperature of 40.5°F (4.7°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the ocean temperature in March in Juneau?

In Juneau, in March, the average water temperature is 40.5°F (4.7°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in March in Juneau?

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

How long on average sun shines in March in Juneau?

In Juneau, the average sunshine in March is 4.4h.

How high is the UV index in March in Juneau?

The average UV index in March in Juneau is 2.
Average temperature in March - Juneau, AK
  • Average high temperature in March: 39.6°F

The warmest month (with the highest average high temperature) is July (63.9°F).
The month with the lowest average high temperature is January (32.8°F).

  • Average low temperature in March: 28°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average humidity in March - Juneau, AK
  • Average humidity in March: 79.4%

The month with the highest relative humidity is September (87.9%).
The month with the lowest relative humidity is May (76.3%).

Average rainfall in March - Juneau, AK
  • Average rainfall in March: 3.8"

Wettest months (with the highest rainfall) are September and October (8.6").
The driest month (with the lowest rainfall) is April (2.9").

Average rainfall days in March - Juneau, AK
  • Average rainfall days in March: 18.9 days

The month with the highest number of rainy days is October (23.9 days).
The month with the lowest number of rainy days is June (15.8 days).

Average snowfall in March - Juneau, AK
  • Average snowfall in March: 11.6"

The month with the highest snowfall is January (27.7").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in March - Juneau, AK
  • Average snowfall days in March: 6.8 days

The month with the highest number of snowfall days is January (10.6 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature in March - Juneau, AK
  • Average sea temperature in March: 40.3°F

The best month for swimming (with the highest average sea temperature) is August (53.5°F).
The coldest month (with the lowest average sea temperature) is March (40.3°F).

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

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

  • Average sunshine in March: 4.4h

The month with most sunshine is May (Average sunshine: 7.5h).
The month with least sunshine is December (Average sunshine: 1.3h).

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).

deutscheenglishespañolрусский中文