March weather forecastUnalaska, AK
March
Weather in March
Weather in Unalaska during March sees the onset of spring with clear indicators like reduced snowfall, a substantial increase in daylight hours, and a slight elevation of average temperatures. The sea temperature remains pretty much steady, not contributing much to any major weather change. March also sees a decrease in wind speed contributing to a calmer atmosphere. The reduction in cloud cover fractionally boosts visibility. Even though the snowfall lessens, the winter chill doesn't relinquish its grip completely.Temperature
March is the coldest month of the year, registering average temperatures as high as 34.7°F (1.5°C) and as low as 30.7°F (-0.7°C).Humidity
The average relative humidity in March is 81%.Rainfall
In March, the rain falls for 12.1 days. Throughout March, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 198.8 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In March, it is snowing for 13.2 days. Throughout March, 4.17" (106mm) of snow is accumulated. In Unalaska, during the entire year, snow falls for 78.3 days and aggregates up to 30.39" (772mm) of snow.Ocean temperature
February and March, with an average ocean temperature of 38.8°F (3.8°C), are months with the coldest seawater in Unalaska.Note: In the event of swimming, this state is extremely frigid, dangerous, and poses a significant risk to life. Hypothermia swiftly ensues without suitable insulated waterproof attire.
Daylight
In Unalaska, the average length of the day in March is 11h and 56min.On the first day of March in Unalaska, sunrise is at 8:51 am and sunset at 7:44 pm AKST. On the last day of the month, sunrise is at 8:38 am and sunset at 9:41 pm AKDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from AKDT to AKST.
Sunshine
In Unalaska, Alaska, the average sunshine in March is 3.9h.UV index
The months with the lowest UV index are February through April and November, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during March morphs into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Unalaska, AK
- Average high temperature in March: 34.7°F
The warmest month (with the highest average high temperature) is August (53.2°F).
The month with the lowest average high temperature is March (34.7°F).
- Average low temperature in March: 30.7°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is March (30.7°F).
Average pressure in March
Unalaska, AK
- Average pressure in March: 29.77"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is January (29.5"Hg).
Average wind speed in March
Unalaska, AK
- Average wind speed in March: 14.7mph
The windiest months (with the highest average wind speed) are November and December (16.5mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in March
Unalaska, AK
- Average humidity in March: 81%
The month with the highest relative humidity is July (91%).
The months with the lowest relative humidity are November and December (80%).
Average rainfall in March
Unalaska, AK
- Average rainfall in March: 2.28"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in March
Unalaska, AK
- Average rainfall days in March: 12.1 days
The month with the highest number of rainy days is October (21.8 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in March
Unalaska, AK
- Average snowfall in March: 4.17"
The month with the highest snowfall is January (6.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Unalaska, AK
- Average snowfall days in March: 13.2 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in March
Unalaska, AK
- Average sea temperature in March: 38.9°F
The best month for swimming (with the highest average sea temperature) is August (50.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in March /
Average sunshine in March
Unalaska, AK
- Average daylight in March: 11h and 54min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in March: 3h and 54min
The month with the most sunshine is June (Average sunshine: 5h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in March
Unalaska, AK
- Average sunshine days in March: 6 days
The month with the most sunshine days is August (9.7 days).
The month with the least sunshine days is April (3.8 days).
Average UV index in March
Unalaska, AK
- Average UV index in March: 1
The months with the highest UV index are July and August (UV index 3).
The months with the lowest UV index are February, March, April and November (UV index 1).
Average cloud cover in March
Unalaska, AK
- Average cloud cover in March: 69
The month with the most cloud cover is July (Cloud cover 74).
The months with the least cloud cover are September and October (Cloud cover 66).
Average visibility in March
Unalaska, AK
- Average visibility in March: 5mi
The months with the highest visibility are May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, July and December (5mi).
