Sits around the middle of the year.
March in context
How it compares to the rest of the year in Anchorage.
One of the drier months.
Around the yearly average.
Close to the yearly wind average.
Near the middle of the yearly UV range.
Humidity stays close to the yearly norm.
Monthly climate breakdown
A detailed look at the typical climate conditions for March.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
11.9 h
Average daylight
- UV index (max)
- 4
- Typical sun hours
- 07:11 - 19:03
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 12 days
- Cloud cover (avg)
- 62%
- Snowfall
-
Air feel
Humidity & Wind
76%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through March in Anchorage. Based on a 30-year historical climate baseline, not a forecast.
Primary control
Select a day
Scroll to compare daily conditions. The summary updates with your selection.
Secondary context
Monthly trend
Median daytime highs across the month, with a softer low line.
Day 15 selected for March. Temperature -1.4°C.
Historical disruption baseline
Typical disruptions in March
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in March.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 100% of days (31.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
31.0 days / month
- Share of days
- ~100% of days
- Upper edge
- Up to ~-4°C (P95)
Why this matters
Cold feels-like nights are possible on ~31 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Freezing nights Measures: Freezing nights (min <=0C). Observed about 97% of days (30.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
30.0 days / month
- Share of days
- ~97% of days
- Upper edge
- Up to ~-1°C (P95)
Why this matters
Freezing nights are possible on ~30 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Hard freeze nights Measures: Hard freeze nights (min <=-2C). Observed about 84% of days (26.2 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
26.2 days / month
- Share of days
- ~84% of days
- Upper edge
- Up to ~-3°C (P95)
Why this matters
Hard freeze conditions are possible on ~26 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Snow days Measures: Snow days (>=0.1mm snowfall). Observed about 47% of days (14.5 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
14.5 days / month
- Share of days
- ~47% of days
- Upper edge
- Up to ~7.1mm (P95)
Why this matters
Snowfall is possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Washout risk Measures: Washout day risk. Observed about 10% of days (3.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.0 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~17mm (P95)
Why this matters
Washout conditions are possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain disruption Measures: Likely rain disruption days. Observed about 10% of days (3.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.0 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~17mm (P95)
Why this matters
Rain disruption risk appears on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Show all disruptions (18 more)
Washout run Measures: Multi-day washout runs. Observed about 0.7 days/month in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.7 days / month
- Share of days
- —
- Upper edge
- Up to ~16mm (P95)
Why this matters
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 1% of days (0.4 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.4 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~80km/h (P95)
Why this matters
Strong gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 1% of days (0.2 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~75km/h (P95)
Why this matters
Stormy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold snap run Measures: Cold snap runs (>=3 cold days). Observed about 1.0 days/month in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- —
- Upper edge
- Up to ~2°C (P95)
Why this matters
Cold snap runs are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 3% of days (0.8 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~28mm (P95)
Why this matters
Heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cold nights Measures: Cold nights (min <=5C). Observed about 100% of days (31.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
31.0 days / month
- Share of days
- ~100% of days
- Upper edge
- Up to ~-0°C (P95)
Why this matters
Cold nights are possible on ~31 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Cold days Measures: Cold days (max <=10C). Observed about 100% of days (31.0 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
31.0 days / month
- Share of days
- ~100% of days
- Upper edge
- Up to ~5°C (P95)
Why this matters
Cold daytime conditions are possible on ~31 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 59% of days (18.3 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
18.3 days / month
- Share of days
- ~59% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Cloudy skies are possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet days Measures: Wet days (>=0.1mm). Observed about 47% of days (14.7 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
14.7 days / month
- Share of days
- ~47% of days
- Upper edge
- Up to ~10mm (P95)
Why this matters
Measurable rain is possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 44% of days (13.6 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
13.6 days / month
- Share of days
- ~44% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 41% of days (12.6 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
12.6 days / month
- Share of days
- ~41% of days
- Upper edge
- Up to ~23h (P95)
Why this matters
Several rainy hours are possible on ~13 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
High humidity Measures: High humidity days (RH >=80%). Observed about 40% of days (12.5 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
12.5 days / month
- Share of days
- ~40% of days
- Upper edge
- Up to ~90% (P95)
Why this matters
High humidity is possible on ~13 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 32% of days (9.9 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
9.9 days / month
- Share of days
- ~32% of days
- Upper edge
- Up to ~24h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~10 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 21% of days (6.6 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
6.6 days / month
- Share of days
- ~21% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~7 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 11% of days (3.3 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.3 days / month
- Share of days
- ~11% of days
- Upper edge
- Up to ~71km/h (P95)
Why this matters
Gusty conditions are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Heavy snowfall (INACTIVE until snowfall_sum units confirmed; set threshold once units are verified) Measures: Heavy snowfall (INACTIVE until snowfall_sum units confirmed; set threshold once units are verified). Observed about 5% of days (1.5 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.5 days / month
- Share of days
- ~5% of days
- Upper edge
- Up to ~15 (P95)
Why this matters
Heavy snowfall (INACTIVE until snowfall_sum units confirmed; set threshold once units are verified) is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 2% of days (0.5 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~95% (P95)
Why this matters
Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 2% of days (0.5 days/month) in March. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~95 (P95)
Why this matters
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is March a good time to visit Anchorage?
Typical March days in Anchorage reach highs of -1°C (30°F) with nights around -8°C (18°F). It usually feels cold by day and very cold after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.
What are temperatures like in March?
Daytime temperatures in March typically peak near -1°C (30°F), while nights drop to around -8°C (18°F). Expect cold afternoons and very cold evenings.
How much does it rain in March?
Rainfall in March averages 48 mm (1.9 in) across roughly 12 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in March?
You can expect about 12 hours of daylight in March. Sunrise is typically around 07:11 and sunset near 19:03. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in March?
UV levels are moderate (around 4); sunscreen and sunglasses are still a good idea.
Is it windy in March?
In March, average wind speeds are around 7 km/h (4 mph), with gusts on the windiest days reaching about 40 km/h (25 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.