Sitka
August
Weather in Sitka for August 2025
Your guide to Sitka weather in August - trends and predictions
In general, the average temperature in Sitka at the beginning of August is 18.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 12.9 °F by the end of August.
Sitka in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 198.9 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
16°/10°
Temperatures
10 km/h
Avg max wind
80 %
Avg humidity
Sitka Weather August
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  15° | 2  17° | |||||
| 3 16° | 4 21° | 5 23° | 6  21° | 7  19° | 8 20° | 9 18° |
| 10 16° | 11 14° | 12 16° | 13 15° | 14 15° | 15 16° | 16  16° |
| 17  18° | 18 23° | 19 16° | 20  14° | 21 18° | 22 12° | 23 14° |
| 24 14° | 25 13° | 26 13° | 27 13° | 28 13° | 29 12° | 30 12° |
| 31 14° |
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Temperatures trend during August in Sitka
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Moderate rain at times | 15° /8° | 5.4 mm | 4 | |
| Aug. 2 | Sunny | 17° /9° | 0 mm | 5 | |
| Aug. 3 | Sunny | 16° /8° | 0 mm | 5 | |
| Aug. 4 | Sunny | 21° /9° | 0 mm | 6 | |
| Aug. 5 | Sunny | 23° /14° | 0 mm | 6 | |
| Aug. 6 | Patchy rain possible | 21° /14° | 0.3 mm | 5 | |
| Aug. 7 | Partly cloudy | 19° /13° | 0 mm | 5 | |
| Aug. 8 | Sunny | 20° /14° | 0 mm | 6 | |
| Aug. 9 | Moderate rain at times | 18° /13° | 2.6 mm | 4 | |
| Aug. 10 | Patchy rain possible | 16° /9° | 0.8 mm | 4 | |
| Aug. 11 | Patchy rain possible | 14° /8° | 1.2 mm | 3 | |
| Aug. 12 | Moderate rain at times | 16° /8° | 6 mm | 4 | |
| Aug. 13 | Moderate rain at times | 15° /8° | 4.3 mm | 4 | |
| Aug. 14 | Patchy rain possible | 15° /7° | 2.8 mm | 3 | |
| Aug. 15 | Patchy rain possible | 16° /7° | 0.2 mm | 4 | |
| Aug. 16 | Cloudy | 16° /8° | 0 mm | 4 | |
| Aug. 17 | Overcast | 18° /12° | 0 mm | 4 | |
| Aug. 18 | Sunny | 23° /12° | 0 mm | 6 | |
| Aug. 19 | Moderate rain at times | 16° /12° | 4.2 mm | 4 | |
| Aug. 20 | Heavy rain at times | 14° /8° | 5.3 mm | 3 | |
| Aug. 21 | Sunny | 18° /7° | 0 mm | 5 | |
| Aug. 22 | Moderate or heavy rain shower | 12° /9° | 5.5 mm | 3 | |
| Aug. 23 | Moderate rain at times | 14° /11° | 5 mm | 3 | |
| Aug. 24 | Patchy rain possible | 14° /9° | 5.4 mm | 3 | |
| Aug. 25 | Moderate or heavy rain shower | 13° /8° | 30.1 mm | 3 | |
| Aug. 26 | Moderate or heavy rain shower | 13° /6° | 6.1 mm | 3 | |
| Aug. 27 | Patchy rain possible | 13° /7° | 3.2 mm | 3 | |
| Aug. 28 | Moderate or heavy rain shower | 13° /11° | 38.3 mm | 3 | |
| Aug. 29 | Heavy rain at times | 12° /10° | 18.3 mm | 3 | |
| Aug. 30 | Moderate or heavy rain shower | 12° /10° | 13.9 mm | 3 | |
| Aug. 31 | Light rain shower | 14° /11° | 40 mm | 3 | |
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Important Notice
Our weather forecast for Sitka in August 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 Sitka forecast closer to your planned date for the most up-to-date weather information.
Sitka in August - FAQ
What are the expected maximum and minimum temperatures in Sitka during August?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sitka during August?
Significant rainfall exceeding 198.9 mm is expected in Sitka during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sitka during August?
The average wind speed in Sitka during August is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Sitka
Explore the daily rainfall trends and prepare for Sitkas August weather 💧
UV exposure in Sitka during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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