Ketchikan
May
Weather in Ketchikan for May 2025
Your guide to Ketchikan weather in May - trends and predictions
In general, the average temperature in Ketchikan at the beginning of May is 10.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 8.6 °F by the end of May.
Ketchikan experiences an exceptionally high level of rainfall in May, with more than 20 rainy days on average.
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8
Dry days
23
Rainy days
0
Snow days
10°/6°
Temperatures
13 km/h
Avg max wind
79 %
Avg humidity
Ketchikan in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2  12° | 3 12° | 4 15° | |||
| 5  10° | 6 7° | 7 9° | 8 9° | 9 10° | 10  12° | 11  11° |
| 12  8° | 13 9° | 14 8° | 15 9° | 16 11° | 17 9° | 18 10° |
| 19 10° | 20 10° | 21 11° | 22 14° | 23 10° | 24 11° | 25 9° |
| 26 8° | 27 7° | 28 10° | 29 10° | 30 8° | 31 8° |
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Temperatures trend during May in Ketchikan
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Partly cloudy | 11° /5° | 0 mm | 4 | |
| May 2 | Sunny | 12° /5° | 0 mm | 4 | |
| May 3 | Partly cloudy | 12° /6° | 0 mm | 4 | |
| May 4 | Sunny | 15° /8° | 0 mm | 5 | |
| May 5 | Light rain shower | 10° /5° | 5.8 mm | 2 | |
| May 6 | Light rain shower | 7° /4° | 5.1 mm | 2 | |
| May 7 | Light rain shower | 9° /4° | 5.6 mm | 2 | |
| May 8 | Light rain shower | 9° /5° | 24 mm | 2 | |
| May 9 | Patchy rain possible | 10° /7° | 1.9 mm | 3 | |
| May 10 | Fog | 12° /7° | 2.9 mm | 3 | |
| May 11 | Overcast | 11° /6° | 0.4 mm | 3 | |
| May 12 | Light rain | 8° /6° | 11.7 mm | 2 | |
| May 13 | Light drizzle | 9° /5° | 4.2 mm | 2 | |
| May 14 | Light rain | 8° /6° | 28.1 mm | 2 | |
| May 15 | Light rain shower | 9° /5° | 9.5 mm | 2 | |
| May 16 | Partly cloudy | 11° /5° | 0 mm | 4 | |
| May 17 | Patchy rain possible | 9° /6° | 0.5 mm | 2 | |
| May 18 | Patchy rain possible | 10° /6° | 0.2 mm | 3 | |
| May 19 | Light drizzle | 10° /5° | 3.4 mm | 3 | |
| May 20 | Patchy rain possible | 10° /5° | 1.4 mm | 3 | |
| May 21 | Patchy rain possible | 11° /5° | 0.2 mm | 3 | |
| May 22 | Partly cloudy | 14° /7° | 0 mm | 4 | |
| May 23 | Light rain | 10° /7° | 21.1 mm | 3 | |
| May 24 | Patchy rain possible | 11° /7° | 2.1 mm | 3 | |
| May 25 | Light rain shower | 9° /6° | 4.4 mm | 2 | |
| May 26 | Light rain shower | 8° /6° | 27.9 mm | 2 | |
| May 27 | Light rain shower | 7° /6° | 35.1 mm | 2 | |
| May 28 | Light rain shower | 10° /5° | 7 mm | 3 | |
| May 29 | Light rain shower | 10° /7° | 5.1 mm | 3 | |
| May 30 | Light rain shower | 8° /6° | 4.2 mm | 2 | |
| May 31 | Light rain | 8° /7° | 21.9 mm | 2 | |
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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.
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 10° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ketchikan during May?
Significant rainfall exceeding 233.6 mm is expected in Ketchikan during May, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ketchikan during May?
The average wind speed in Ketchikan during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
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