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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.

  • Chilliwack sees moderate rainfall in August, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/13°
Temperatures
Average wind speed
8 km/h
Avg max wind
Average humidity
67 %
Avg humidity

Chilliwack in August average weather

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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
Partly cloudy
28° /11° 0 mm 7
2 Aug. Overcast
Overcast
28° /13° 0 mm 7
3 Aug. Sunny
Sunny
28° /13° 0 mm 7
4 Aug. Cloudy
Cloudy
27° /12° 0 mm 7
5 Aug. Partly cloudy
Partly cloudy
28° /13° 0 mm 7
6 Aug. Cloudy
Cloudy
24° /11° 0 mm 6
7 Aug. Overcast
Overcast
26° /12° 0.1 mm 6
8 Aug. Overcast
Overcast
26° /14° 0 mm 7
9 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /14° 2.5 mm 6
10 Aug. Overcast
Overcast
23° /13° 0 mm 6
11 Aug. Partly cloudy
Partly cloudy
23° /13° 0.1 mm 6
12 Aug. Cloudy
Cloudy
23° /12° 0.1 mm 5
13 Aug. Sunny
Sunny
25° /12° 0.3 mm 6
14 Aug. Sunny
Sunny
29° /15° 0 mm 7
15 Aug. Sunny
Sunny
28° /15° 0 mm 7
16 Aug. Sunny
Sunny
27° /14° 0 mm 7
17 Aug. Sunny
Sunny
29° /14° 0 mm 8
18 Aug. Partly cloudy
Partly cloudy
19° /10° 4.9 mm 5
19 Aug. Sunny
Sunny
24° /9° 0.2 mm 6
20 Aug. Overcast
Overcast
24° /11° 1.2 mm 6
21 Aug. Cloudy
Cloudy
21° /11° 1.7 mm 5
22 Aug. Patchy rain possible
Patchy rain possible
20° /10° 0.3 mm 5
23 Aug. Patchy rain possible
Patchy rain possible
17° /10° 2.2 mm 4
24 Aug. Sunny
Sunny
19° /9° 10.4 mm 5
25 Aug. Overcast
Overcast
23° /10° 0.9 mm 5
26 Aug. Sunny
Sunny
24° /8° 4.3 mm 6
27 Aug. Sunny
Sunny
21° /9° 15 mm 5
28 Aug. Thundery outbreaks possible
Thundery outbreaks possible
21° /8° 0.3 mm 5
29 Aug. Light rain shower
Light rain shower
20° /9° 7.7 mm 5
30 Aug. Light rain shower
Light rain shower
18° /9° 19.6 mm 5
31 Aug. Light rain shower
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 13°. 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 67.8 mm spread over approximately 7 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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Location coordinates Where is Chilliwack?

Get accurate weather forecasts for Chilliwack, located at latitude 49.166 and longitude -121.953. Stay updated with localized weather information tailored for Chilliwack.

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