Juneau
Alaska, USA
Long-term weather forecast
Long-term weather forecast
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March weather forecast and Climate
Juneau, AK

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Blooming fireweed in Juneau, Alaska with snowy mountain peaks in the distance
Blooming fireweed in Juneau, Alaska with snowy mountain peaks in the distance
  • The 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).

  • The 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).

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  • The 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%).

  • The 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").

  • The 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).

  • The 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").

  • The 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).

  • The 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).

  • The average daylight in March: 12h

The month with the longest days is June (Average daylight: 18h).
Months with shortest days are January and December (Average daylight: 7h).

  • The 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).

  • The 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).

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