Chilliwack
August
Weather in Chilliwack for August 2025
Your guide to Chilliwack weather in August - trends and predictions
In general, the average temperature in Chilliwack at the beginning of August is 27 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °C by the end of August.
The climate of Chilliwack in August is notably wet, with an average of 12 rainy days, and a total of 74.6 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
24°/12°
Temperatures
8 km/h
Avg max wind
70 %
Avg humidity
Chilliwack in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  28° | 3  28° | ||||
| 4  27° | 5 28° | 6 24° | 7 26° | 8 26° | 9  24° | 10 23° |
| 11 23° | 12 23° | 13 25° | 14 29° | 15 28° | 16 27° | 17 29° |
| 18 19° | 19 24° | 20 24° | 21 21° | 22  20° | 23 17° | 24 19° |
| 25 23° | 26 24° | 27 21° | 28  21° | 29 20° | 30 18° | 31 25° |
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Temperatures trend during August in Chilliwack
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 |
|---|---|---|---|---|---|
| 1 Aug. | Partly cloudy | 28° /11° | 0 mm | 7 | |
| 2 Aug. | Overcast | 28° /13° | 0 mm | 7 | |
| 3 Aug. | Sunny | 28° /13° | 0 mm | 7 | |
| 4 Aug. | Cloudy | 27° /12° | 0 mm | 7 | |
| 5 Aug. | Partly cloudy | 28° /13° | 0 mm | 7 | |
| 6 Aug. | Cloudy | 24° /11° | 0 mm | 6 | |
| 7 Aug. | Overcast | 26° /12° | 0.1 mm | 6 | |
| 8 Aug. | Overcast | 26° /14° | 0 mm | 7 | |
| 9 Aug. | Moderate or heavy rain shower | 24° /14° | 2.5 mm | 6 | |
| 10 Aug. | Overcast | 23° /13° | 0 mm | 6 | |
| 11 Aug. | Partly cloudy | 23° /13° | 0.1 mm | 6 | |
| 12 Aug. | Cloudy | 23° /12° | 0.1 mm | 5 | |
| 13 Aug. | Sunny | 25° /12° | 0.3 mm | 6 | |
| 14 Aug. | Sunny | 29° /15° | 0 mm | 7 | |
| 15 Aug. | Sunny | 28° /15° | 0 mm | 7 | |
| 16 Aug. | Sunny | 27° /14° | 0 mm | 7 | |
| 17 Aug. | Sunny | 29° /14° | 0 mm | 8 | |
| 18 Aug. | Partly cloudy | 19° /10° | 4.9 mm | 5 | |
| 19 Aug. | Sunny | 24° /9° | 0.2 mm | 6 | |
| 20 Aug. | Overcast | 24° /11° | 1.2 mm | 6 | |
| 21 Aug. | Cloudy | 21° /11° | 1.7 mm | 5 | |
| 22 Aug. | Patchy rain possible | 20° /10° | 0.3 mm | 5 | |
| 23 Aug. | Patchy rain possible | 17° /10° | 2.2 mm | 4 | |
| 24 Aug. | Sunny | 19° /9° | 10.4 mm | 5 | |
| 25 Aug. | Overcast | 23° /10° | 0.9 mm | 5 | |
| 26 Aug. | Sunny | 24° /8° | 4.3 mm | 6 | |
| 27 Aug. | Sunny | 21° /9° | 15 mm | 5 | |
| 28 Aug. | Thundery outbreaks possible | 21° /8° | 0.3 mm | 5 | |
| 29 Aug. | Light rain shower | 20° /9° | 7.7 mm | 5 | |
| 30 Aug. | Light rain shower | 18° /9° | 19.6 mm | 5 | |
| 31 Aug. | Light rain shower | 25° /11° | 3 mm | 6 | |
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Important Notice
Our weather forecast for Chilliwack 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 Chilliwack forecast closer to your planned date for the most up-to-date weather information.
Chilliwack in August - FAQ
What are the expected maximum and minimum temperatures in Chilliwack during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chilliwack during August?
Moderate rainfall is anticipated in Chilliwack during August, with a total of 74.6 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Chilliwack during August?
The average wind speed in Chilliwack during August is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Chilliwack
Explore the daily rainfall trends and prepare for Chilliwacks August weather 💧
UV exposure in Chilliwack during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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