Ketchikan (AK)
May
Weather in Ketchikan, Alaska for May 2026
Your guide to Ketchikan weather in May - trends and predictions
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So far, May 2026 in Ketchikan is slightly warmer than the historical average by 1.3 °F.
The forecast for the next days in Ketchikan predicts temperatures to be around 13 °F, close to the historical average.
In general, the average temperature in Ketchikan at the beginning of May is 10.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.4 °F by the end of May.
Ketchikan experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 941.2 mm.
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Temperatures
Rain 🌧️
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4
Dry days
27
Rainy days
0
Snow days
9°/6°
Temperatures
15 km/h
Avg max wind
83 %
Avg humidity
Ketchikan Weather May
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Temperatures trend during May in Ketchikan
See the weather trend as well as the moving average line
May weather in Ketchikan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Partly cloudy | 11° /6° | 45.6 mm | 3 | |
| May 2 |  Sunny | 11° /5° | 20.4 mm | 3 | |
| May 3 | Partly cloudy | 11° /5° | 4 mm | 4 | |
| May 4 | Sunny | 13° /6° | 6 mm | 4 | |
| May 5 |  Light rain shower | 11° /5° | 36.9 mm | 3 | |
| May 6 | Light rain shower | 8° /4° | 7.7 mm | 2 | |
| May 7 | Light rain shower | 9° /4° | 6 mm | 3 | |
| May 8 | Light rain shower | 9° /5° | 28.6 mm | 2 | |
| May 9 | Patchy rain possible | 10° /6° | 26.5 mm | 2 | |
| May 10 |  Fog | 10° /7° | 8.9 mm | 2 | |
| May 11 |  Overcast | 11° /6° | 0.3 mm | 2 | |
| May 12 |  Light rain | 11° /6° | 4.3 mm | 2 | |
| May 13 | Light drizzle | 9° /6° | 2.3 mm | 2 | |
| May 14 | Light rain | 9° /5° | 10.4 mm | 2 | |
| May 15 | Light rain shower | 9° /4° | 28.6 mm | 2 | |
| May 16 | Partly cloudy | 10° /5° | 14.3 mm | 3 | |
| May 17 | Patchy rain possible | 10° /5° | 9.7 mm | 2 | |
| May 18 | Patchy rain possible | 9° /5° | 10.8 mm | 2 | |
| May 19 | Partly cloudy | 11° /5° | 0 mm | 4.3 | |
| May 20 |  Moderate rain | 11° /6° | 8.7 mm | 1 | |
| May 21 | Patchy rain possible | 12° /8° | 4 mm | 0 | |
| May 22 | Patchy rain possible | 12° /6° | 0.7 mm | 2 | |
| May 23 | Patchy rain possible | 9° /5° | 2 mm | 2 | |
| May 24 | Moderate rain | 6° /4° | 11.2 mm | 2 | |
| May 25 | Patchy rain possible | 10° /5° | 1.4 mm | 2 | |
| May 26 | Patchy rain possible | 13° /6° | 0.1 mm | 2 | |
| May 27 | Overcast | 11° /6° | 0 mm | 2 | |
| May 28 | Sunny | 17° /7° | 0 mm | 4 | |
| May 29 | Partly cloudy | 19° /9° | 0 mm | 4 | |
| May 30 | Sunny | 17° /12° | 0 mm | 4 | |
| May 31 | Patchy rain possible | 14° /8° | 0.4 mm | 3 | |
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Important Notice
Our weather forecast for Ketchikan 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 Ketchikan forecast closer to your planned date for the most up-to-date weather information.
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Ketchikan in May - FAQ
What are the expected maximum and minimum temperatures in Ketchikan during May?
During May, expect a variety of temperatures with highs around 9° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ketchikan during May?
Significant rainfall exceeding 941.2 mm is expected in Ketchikan during May, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Ketchikan in May 2026?
Ketchikan typically sees 0 cm of snowfall during May.
What are the typical wind conditions in Ketchikan during May?
The average wind speed in Ketchikan during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Ketchikan
Explore the daily rainfall trends and prepare for Ketchikans May weather 💧
Typically, Ketchikan has 27 rainy days in May with a total of 941.2 mm of rainfall.
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Where is Ketchikan?Get accurate weather forecasts for Ketchikan, located at latitude 55.342 and longitude -131.648. Stay updated with localized weather information tailored for Ketchikan.
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