March is one of the cooler months of the year in Anchorage, with average highs near -3.5°C and lows around -12.2°C (mean -7.8°C). It is one of the drier months, averaging 95 mm of rainfall and 87% relative humidity across the period.
March is one of the cooler months of the year in Anchorage. Across 45 years of records, the warmest March in Anchorage was 2019 — when the month averaged -2.5°C — while the coldest was 2007 at -15°C. Typical March days reach -3.5°C with nights near -12.2°C. The long-term trend is cooling, about 0.2°C per decade.
March is one of the drier months in Anchorage, averaging 95 mm of rainfall. The wettest March on record was 2019 with 226 mm, while the driest was 1986 at 4 mm.
Relative humidity in Anchorage during March averages 87%. The most humid Marchs were 1981 and 2019 at 92%, and the least humid was 1989 at 79%.
March receives about 2.5 kWh/m²/day of solar energy in Anchorage. The sunniest March was 2007 at 3.1 kWh/m²/day, and the cloudiest was 2019 at 1.8.
Average wind speed in Anchorage during March is 3.4 m/s. The windiest Marchs were 2007 and 2017 at 5.9 m/s, while the calmest were 1984 and 2019 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -6.9°C | -7.9°C | -8.6°C | -7.9°C | -7.7°C | -0.8°C |
| Avg High | -2.6°C | -3.5°C | -4.1°C | -3.6°C | -3.6°C | -1°C |
| Avg Low | -11.1°C | -12.4°C | -13.0°C | -12.2°C | -11.9°C | -0.8°C |
| Avg Rain | 93 mm | 112 mm | 86 mm | 91 mm | 92 mm | -1 mm |
March temperatures in Anchorage have fallen by about 1.1°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -31.6°C (1994) to a record high of 4.5°C (2004).
Rainfall in March is one of the drier months, averaging 95 mm, with a wettest year of 226 mm.
A good time to visit Anchorage
March is a good time to visit Anchorage, with days averaging -3.5°C and nights around -12.2°C (mean -7.8°C, cooler than Anchorage's yearly average) and higher rainfall. July and June are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | -0.7°C | -4.3°C | -7.9°C | 1.8°C | -14.7°C | 107 mm | 89% | 2.6 m/s | 2.6 |
| 2024 | -3.4°C | -6.5°C | -9.7°C | 1.3°C | -22.1°C | 150 mm | 90% | 3.3 m/s | 2.2 |
| 2023 | -3.3°C | -7.9°C | -12.4°C | 2.7°C | -20.0°C | 52 mm | 83% | 3.8 m/s | 2.6 |
| 2022 | -1.3°C | -4.9°C | -8.5°C | 2.4°C | -19.6°C | 139 mm | 90% | 3 m/s | 2.4 |
| 2021 | -6.7°C | -12.0°C | -17.3°C | 0.1°C | -25.0°C | 56 mm | 86% | 3.5 m/s | 2.7 |
| 2020 | -6.1°C | -10.8°C | -15.6°C | 1.5°C | -26.0°C | 47 mm | 85% | 3.7 m/s | 2.5 |
| 2019 🔥 🌧️ | 0.2°C | -2.5°C | -5.1°C | 3.8°C | -16.0°C | 226 mm | 92% | 1.9 m/s | 1.8 |
| 2018 | -3.1°C | -7.5°C | -11.9°C | 0.6°C | -18.0°C | 79 mm | 87% | 2.8 m/s | 2.6 |
| 2017 | -6.9°C | -11.5°C | -16.2°C | 0.1°C | -21.6°C | 32 mm | 80% | 5.9 m/s | 3 |
| 2016 | -0.9°C | -4.5°C | -8.1°C | 3.1°C | -19.5°C | 104 mm | 88% | 2.6 m/s | 2.4 |
| 2015 | -3.7°C | -8.0°C | -12.3°C | 2.9°C | -31.4°C | 65 mm | 86% | 3 m/s | 2.5 |
| 2014 | -3.0°C | -8.3°C | -13.6°C | 0.6°C | -23.8°C | 122 mm | 85% | 3.2 m/s | 2.8 |
| 2013 | -4.8°C | -9.3°C | -13.9°C | 0.8°C | -27.1°C | 69 mm | 88% | 3.3 m/s | 2.4 |
| 2012 | -6.2°C | -10.4°C | -14.6°C | 3.1°C | -23.3°C | 52 mm | 87% | 3.7 m/s | 2.6 |
| 2011 | -3.8°C | -8.6°C | -13.4°C | 0.7°C | -22.0°C | 39 mm | 85% | 3.6 m/s | 2.8 |
| 2010 | -3.9°C | -8.3°C | -12.7°C | 1.1°C | -25.8°C | 117 mm | 89% | 3.3 m/s | 2.4 |
| 2009 | -5.8°C | -10.2°C | -14.6°C | 1.0°C | -25.4°C | 108 mm | 87% | 3.5 m/s | 2.5 |
| 2008 | -2.3°C | -6.0°C | -9.8°C | 1.0°C | -19.3°C | 188 mm | 91% | 2.8 m/s | 2.3 |
| 2007 ❄️ | -9.6°C | -15.0°C | -20.4°C | 0.8°C | -26.6°C | 22 mm | 80% | 5.9 m/s | 3.1 |
| 2006 | -5.6°C | -10.1°C | -14.6°C | 0.4°C | -24.3°C | 68 mm | 86% | 4.3 m/s | 2.7 |
| 2005 | -1.2°C | -4.8°C | -8.4°C | 1.2°C | -18.2°C | 79 mm | 89% | 3 m/s | 2.3 |
| 2004 | -4.1°C | -8.6°C | -13.1°C | 4.5°C | -24.8°C | 75 mm | 86% | 3.5 m/s | 2.5 |
| 2003 | -3.9°C | -9.0°C | -14.0°C | 1.5°C | -25.6°C | 57 mm | 84% | 4.2 m/s | 2.7 |
| 2002 | -4.1°C | -9.6°C | -15.1°C | 0.2°C | -23.1°C | 34 mm | 84% | 3.1 m/s | 2.9 |
| 2001 | -2.8°C | -6.9°C | -11.0°C | 0.9°C | -22.3°C | 116 mm | 89% | 3.3 m/s | 2.3 |
| 2000 | -1.7°C | -5.5°C | -9.3°C | 0.6°C | -19.5°C | 110 mm | 92% | 2.5 m/s | 2.1 |
| 1999 | -4.1°C | -8.3°C | -12.4°C | 2.0°C | -29.2°C | 124 mm | 88% | 3.2 m/s | 2.4 |
| 1998 | -1.3°C | -5.2°C | -9.1°C | 1.6°C | -18.5°C | 118 mm | 88% | 2.1 m/s | 2.4 |
| 1997 | -4.7°C | -9.3°C | -14.0°C | 0.4°C | -24.0°C | 47 mm | 83% | 4.9 m/s | 2.7 |
| 1996 | -1.8°C | -6.1°C | -10.4°C | 2.9°C | -17.1°C | 65 mm | 85% | 3.8 m/s | 2.7 |
| 1995 | -6.7°C | -11.8°C | -17.0°C | 0.7°C | -30.3°C | 57 mm | 83% | 4.8 m/s | 2.6 |
| 1994 | -5.4°C | -9.5°C | -13.6°C | 2.0°C | -31.6°C | 183 mm | 91% | 3.8 m/s | 2.3 |
| 1993 | -2.1°C | -6.6°C | -11.1°C | 1.5°C | -21.6°C | 96 mm | 90% | 2.6 m/s | 2.3 |
| 1992 | -4.1°C | -8.3°C | -12.6°C | 0.6°C | -31.1°C | 176 mm | 92% | 2.8 m/s | 2.5 |
| 1991 | -2.6°C | -7.6°C | -12.6°C | 2.7°C | -25.6°C | 114 mm | 87% | 2.7 m/s | 2.2 |
| 1990 | -2.1°C | -6.7°C | -11.3°C | 1.8°C | -18.9°C | 142 mm | 87% | 3.3 m/s | 2.3 |
| 1989 | -3.7°C | -9.0°C | -14.2°C | 3.4°C | -21.7°C | 20 mm | 79% | 3.9 m/s | 2.6 |
| 1988 | -1.6°C | -5.5°C | -9.5°C | 1.0°C | -15.7°C | 140 mm | 90% | 2.8 m/s | 2.4 |
| 1987 | -3.0°C | -7.4°C | -11.8°C | 0.9°C | -23.0°C | 77 mm | 87% | 3 m/s | 2.6 |
| 1986 | -4.7°C | -9.7°C | -14.8°C | 1.0°C | -24.2°C | 4 mm | 83% | 4.2 m/s | 2.7 |
| 1985 | -3.8°C | -8.0°C | -12.2°C | 0.3°C | -25.4°C | 163 mm | 91% | 3.1 m/s | 2.2 |
| 1984 | 0.2°C | -3.1°C | -6.4°C | 1.9°C | -14.5°C | 114 mm | 91% | 1.9 m/s | 2.5 |
| 1983 | -1.9°C | -6.5°C | -11.0°C | 0.8°C | -18.5°C | 27 mm | 89% | 2.5 m/s | — |
| 1982 | -4.3°C | -8.9°C | -13.5°C | 0.9°C | -22.0°C | 99 mm | 87% | 3.7 m/s | — |
| 1981 | -0.3°C | -3.6°C | -6.9°C | 1.6°C | -13.5°C | 197 mm | 92% | 2.4 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around -3.5°C with lows near -12.2°C (mean -7.8°C), based on 45 years of NASA POWER data.
March averages 95 mm of rainfall in Anchorage, one of the drier months. The wettest on record was 226 mm in 2019.
The hottest March reached 4.5°C in 2004. The coldest dipped to -31.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 1.1°C. Daytime highs moved from -2°C to -3.1°C and overnight lows from -10°C to -11.2°C over the same span.
March is one of the cooler months of the year in Anchorage and one of the drier months, so plan for around -3.5°C daytime highs and -12.2°C at night.
Not quite — March is the 5th coolest month in Anchorage, averaging -7.8°C.
For March in Anchorage, pack warm layers and a jacket for chilly mornings, with typical highs of -3.5°C and lows of -12.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 87% — quite humid.
Average wind speed in March is 3.4 m/s. The windiest March on record averaged 5.9 m/s (2007).
The wettest March on record was 2019 with 226 mm. On average, March sees 95 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Anchorage behaves each March, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for March specifically, along with year-by-year records and how the month has changed over the decades.
