Alaska (Ketchikan)
May
Weather in Alaska for May 2026
Your guide to Alaska weather in May - trends and predictions
In general, the average temperature in Alaska at the beginning of May is 9.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 8.6 °F by the end of May.
Alaska experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 233.6 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
10°/6°
Temperatures
13 km/h
Avg max wind
78 %
Avg humidity
Alaska Weather May
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What’s the Weather Like in Alaska This May?
Discover the average temperatures and weather trends across Alaska’s cities this May.
Temperatures trend during May in Alaska
See the weather trend as well as the moving average line
May weather in Alaska day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Partly cloudy | 10° /6° | 68.4 mm | 3 | |
| May 2 |  Sunny | 11° /5° | 30.6 mm | 3 | |
| May 3 | Partly cloudy | 10° /5° | 5.9 mm | 3 | |
| May 4 | Sunny | 11° /6° | 9 mm | 4 | |
| May 5 |  Light rain shower | 9° /5° | 55.3 mm | 2 | |
| May 6 | Light rain shower | 7° /4° | 11.4 mm | 2 | |
| May 7 | Light rain shower | 8° /4° | 9.1 mm | 2 | |
| May 8 | Light rain shower | 8° /4° | 36.6 mm | 2 | |
| May 9 | Patchy rain possible | 9° /6° | 26.6 mm | 3 | |
| May 10 |  Fog | 10° /7° | 5.7 mm | 3 | |
| May 11 |  Overcast | 11° /6° | 0.2 mm | 3 | |
| May 12 |  Light rain | 10° /6° | 5.8 mm | 3 | |
| May 13 | Light drizzle | 9° /5° | 2.1 mm | 2 | |
| May 14 | Light rain | 9° /5° | 14.1 mm | 2 | |
| May 15 | Light rain shower | 8° /5° | 41.6 mm | 2 | |
| May 16 | Partly cloudy | 10° /6° | 21.5 mm | 3 | |
| May 17 | Patchy rain possible | 9° /6° | 9.7 mm | 2 | |
| May 18 | Patchy rain possible | 9° /5° | 4 mm | 3 | |
| May 19 | Light drizzle | 9° /5° | 41.1 mm | 3 | |
| May 20 | Patchy rain possible | 10° /6° | 0.7 mm | 3 | |
| May 21 | Patchy rain possible | 10° /5° | 0.1 mm | 3 | |
| May 22 | Partly cloudy | 12° /6° | 0 mm | 3 | |
| May 23 | Light rain | 9° /6° | 42 mm | 3 | |
| May 24 | Patchy rain possible | 10° /7° | 68 mm | 3 | |
| May 25 | Light rain shower | 9° /7° | 42 mm | 2 | |
| May 26 | Light rain shower | 8° /6° | 43.1 mm | 2 | |
| May 27 | Light rain shower | 8° /6° | 124.2 mm | 2 | |
| May 28 | Light rain shower | 10° /6° | 126.4 mm | 3 | |
| May 29 | Light rain shower | 9° /7° | 9.3 mm | 3 | |
| May 30 | Light rain shower | 8° /6° | 69.8 mm | 2 | |
| May 31 | Light rain | 8° /6° | 17.1 mm | 2 | |
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Important Notice
Our weather forecast for Alaska in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Alaska forecast closer to your planned date for the most up-to-date weather information.
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Alaska in May - FAQ
What are the expected maximum and minimum temperatures in Alaska during May?
During May, expect a variety of temperatures with highs around 10° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Alaska during May?
Significant rainfall exceeding 233.6 mm is expected in Alaska during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Alaska during May?
The average wind speed in Alaska during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Alaska
Explore the daily rainfall trends and prepare for Alaskas May weather 💧
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AnchorageDenali National ParkFairbanksGlacier Bay National Park and PreserveJuneauKetchikanSitkaSkagwayValdezWhittier
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