Juneau, AK weather in March
Juneau is cold and snowy in March: highs average 39°F and nights drop to about 27°F. Rain or snow falls on about 18 days. Snowfall averages about 12.4 in. Expect snow on the ground at times.
- Normal high
- 39°F
- Normal low
- 27°F
- Wet days
- 18
- 3.7 in total
- Snowfall
- 12.4 in
- snow on the ground 13 days
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 37°F | 43°F |
| Normal low | 25°F | 29°F |
| Chance of a wet day | 57% | 57% |
| Sunrise / sunset | 6:52 am / 5:27 pm | 6:27 am / 7:36 pm |
| Daylight | 10.6 h | 13.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Alaska Time).
A typical March day
- 6 am30°Fdew point 25°F
- 9 am33°Fdew point 27°F
- Noon37°Fdew point 27°F
- 3 pm38°Fdew point 26°F
- 6 pm35°Fdew point 26°F
- 9 pm32°Fdew point 27°F
NOAA hourly normals (local standard time) from Juneau Intl Airport (7 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow18 of 31
- Notable rainat least 0.10 in11 of 31
- Freezing nightslow 32°F or below22 of 31
- Snow on the groundsnow depth 1 in or more13 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain and snow in March
Normal precipitation is 3.7 in; a dry March brings about 2.6 in and a wet one about 4.4 in (25th and 75th percentiles). About 2 days bring half an inch or more. Normal snowfall is 12.4 in, with about 4 days of an inch or more.
How March varies from year to year
- Warmest March, 1991-20202016: average high 47°F
- Coolest March2017: average high 33°F
- Wettest March1994: 6.5 in
- Driest March2011: 1.3 in
- Highest reading61°F (March 21, 1998)
- Lowest reading-3°F (March 17, 2006)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 36°F | 39°F | 49°F |
| Normal low | 25°F | 27°F | 33°F |
| Wet days | 17 | 18 | 17 |
| Comfortable days | 0 | 0 | 1 |
| Daylight | 9.4 h | 11.9 h | 14.4 h |
Highs change by +3°F from February and +10°F into April.
Nearby alternatives in March
- Drier: Skagway, AK86 mi · high 39°F · 11 wet days
How Juneau ranks in March
- Normal high364th warmest of 378 cities; 3rd of 8 in Alaska
- Wet days369th driest of 378
- Comfortable days336th most of 339
What to pack for Juneau in March
- A warm jacket – lows near 27°F, highs near 39°F
- A rain jacket or umbrella – rain or snow on about 18 days
- Waterproof boots – snow on the ground on about 13 days
- A hat and gloves – about 22 freezing nights
Heating and cooling
March has 995 heating degree days and 0 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How cold is Juneau in March?
The normal high is 39°F and the normal low is 27°F. From 1991 to 2020 the coldest March reading was -3°F (March 17, 2006).
Does it rain a lot in Juneau in March?
About 18 days in March have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest March in 1991-2020 was in 1994 (6.5 in); the driest was in 2011 (1.3 in).
Does it snow in Juneau in March?
Yes. Normal snowfall in March is 12.4 in, and snow covers the ground on about 13 days.
Is March a good time to visit Juneau?
March ranks 7th of 12 months on our comfort score for Juneau (33 out of 100). It has almost no comfortable days. The best months are June, July and August.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Juneau Intl Airport (USW00025309), 6.5 mi NW of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Juneau International (703810-25309), 6.1 mi NW of the city center, 19 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).