Anchorage Weather in May
United States · Subarctic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Anchorage sees average temperatures ranging from a low of 4.4°C (39.9°F) to a high of 14.1°C (57.4°F), with a mean of 9.2°C (48.6°F). Compared to the annual average of 2.5°C (36.5°F), this month is 6.7°C warmer than the yearly norm. Precipitation averages 42.7mm, making it approximately 29.0mm drier than the monthly average of 72.0mm. The city receives an average of 11.0 hours of sunshine per day during May, with relative humidity averaging 65.9%. Wind speeds reach an average maximum of 13.6 km/h. Snowfall averages 3.8cm during May, which can affect travel plans and outdoor activities. For travelers, this month offers a temperature experience in Anchorage, with drier-than-average conditions compared to the rest of the year.
Anchorage's subarctic climate creates long, cold winters and short, mild summers. I've tracked the daylight data and found that the city receives over 19 hours of daylight in June and barely 6 hours in December. The best time for visiting is June to August, when the temperatures are mild and the natural attractions are accessible.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 1.3°C (34.3°F) | 9.2°C (48.6°F) | 14.3°C (57.7°F) |
| Rainfall | 29.0mm | 42.7mm | 36.2mm |
| Sunshine | 9.6 hrs | 11.0 hrs | 12.1 hrs |
| Humidity | 71.5% | 65.9% | 64.5% |
| Wind | 12.8 km/h | 13.6 km/h | 12.9 km/h |
| Rainy Days | 6.2 | 17.0 | 14.4 |
| Snowfall | 13.9 cm | 3.8 cm | 0.0 cm |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Anchorage in May, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Anchorage in May?
The average temperature in Anchorage during May ranges from 4.4°C (39.9°F) to 14.1°C (57.4°F), with a mean of 9.2°C (48.6°F).
How much does it rain in Anchorage in May?
Anchorage receives an average of 42.7mm of precipitation in May, spread across approximately 17.0 rainy days.
What should I pack for Anchorage in May?
Based on May weather data, pack warm layers, a medium jacket, and waterproof outerwear.
Is May a good time to visit Anchorage?
May is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Anchorage
Cities with Similar May Climate (Subarctic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 61.22°, -149.9°. Timezone: America/Anchorage. Last updated: 2026-07-30.