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March Weather in Anchorage, United States

Last updated: June 24, 2025

In Anchorage, United States, the average temperature for March hovers around 9°C (48°F). However, be prepared for a range of conditions, as temperatures can dip to a brisk -12°C (11°F) or rise to a warm 27°C (81°F). Expect significant precipitation, with around 138 mm (5.4 in) falling over 13 days, contributing to an average humidity level of a humid 86%.

March Temperature in Anchorage

In March in Anchorage, the average temperature is 9°C (48°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -12°C (11°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit to Anchorage.

March Weather in Anchorage: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Anchorage, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Anchorage, March typically has an average temperature of 9°C (48°F), with highs reaching up to 27°C (81°F) and lows dropping to around -12°C (11°F).
JanFebMarAprMayJunJulAugSepOctNovDec353947566774787671604541
Data source: Temperature data for Anchorage generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Anchorage

In Anchorage in March, the precipitation amount is 138 mm (5.4 in) over the course of 13 days.

March Precipitation Trends in Anchorage

The chart displays monthly precipitation patterns in Anchorage, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Anchorage, March typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec90137138141125158989611810391110
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Anchorage

In Anchorage in March, humidity is 86%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and travel less enjoyable.

March Average Humidity in Anchorage

This chart illustrates the average monthly humidity levels in Anchorage, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Anchorage is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Anchorage

In Anchorage in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Anchorage.

Maximum UV Index Levels in Anchorage for March

The chart shows the monthly maximum UV Index (UVI) for Anchorage in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Anchorage typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: Anchorage March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Anchorage Compares to Other Months

Weather in Anchorage varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Anchorage, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Anchorage, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)90 mm (3.5 inches)87%moderate
February Weather4°C (40°F)137 mm (5.4 inches)85%moderate
March Weather9°C (48°F)138 mm (5.4 inches)86%high
April Weather13°C (56°F)141 mm (5.6 inches)84%very high
May Weather20°C (67°F)125 mm (4.9 inches)79%very high
June Weather23°C (75°F)158 mm (6.2 inches)82%extreme
July Weather26°C (78°F)98 mm (3.8 inches)79%very high
August Weather24°C (76°F)96 mm (3.8 inches)70%very high
September Weather22°C (71°F)118 mm (4.7 inches)69%very high
October Weather16°C (60°F)103 mm (4.1 inches)76%high
November Weather7°C (45°F)91 mm (3.6 inches)88%moderate
December Weather5°C (41°F)110 mm (4.3 inches)87%moderate

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