Chilliwack
May
Weather in Chilliwack for May 2026
Your guide to Chilliwack weather in May - trends and predictions
In general, the average temperature in Chilliwack at the beginning of May is 14.9 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.9 °C by the end of May.
Chilliwack in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 113.2 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
17°/8°
Temperatures
8 km/h
Avg max wind
77 %
Avg humidity
Chilliwack Weather May
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Temperatures trend during May in Chilliwack
See the weather trend as well as the moving average line
May weather in Chilliwack day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate rain at times | 14° /5° | 1.4 mm | 4 | |
| 2 May |  Patchy rain possible | 20° /6° | 0.1 mm | 5 | |
| 3 May |  Heavy rain at times | 17° /7° | 0.7 mm | 4 | |
| 4 May | Patchy rain possible | 16° /7° | 0.6 mm | 4 | |
| 5 May | Moderate or heavy rain shower | 12° /6° | 15 mm | 3 | |
| 6 May | Moderate rain at times | 13° /6° | 9.8 mm | 3 | |
| 7 May | Heavy rain at times | 12° /5° | 2.8 mm | 3 | |
| 8 May | Moderate rain at times | 15° /4° | 0.5 mm | 4 | |
| 9 May |  Overcast | 18° /7° | 0 mm | 4 | |
| 10 May | Overcast | 19° /8° | 0 mm | 5 | |
| 11 May |  Partly cloudy | 19° /9° | 0 mm | 5 | |
| 12 May |  Sunny | 19° /7° | 0 mm | 5 | |
| 13 May | Sunny | 18° /9° | 2.1 mm | 4 | |
| 14 May | Sunny | 19° /8° | 3.6 mm | 5 | |
| 15 May | Heavy rain at times | 18° /8° | 0.4 mm | 4 | |
| 16 May |  Cloudy | 17° /8° | 2.6 mm | 4 | |
| 17 May | Light rain shower | 17° /9° | 9.5 mm | 4 | |
| 18 May | Overcast | 15° /9° | 7.1 mm | 3 | |
| 19 May | Sunny | 17° /8° | 6.5 mm | 4 | |
| 20 May | Partly cloudy | 17° /8° | 2.6 mm | 5 | |
| 21 May | Overcast | 14° /8° | 6.3 mm | 3 | |
| 22 May | Moderate rain at times | 13° /7° | 4.5 mm | 3 | |
| 23 May | Moderate or heavy rain shower | 14° /8° | 1.6 mm | 3 | |
| 24 May | Overcast | 20° /8° | 0.4 mm | 5 | |
| 25 May | Cloudy | 18° /10° | 3 mm | 4 | |
| 26 May | Overcast | 18° /9° | 7.2 mm | 4 | |
| 27 May | Cloudy | 19° /9° | 0.1 mm | 5 | |
| 28 May | Cloudy | 19° /10° | 13.5 mm | 5 | |
| 29 May | Partly cloudy | 16° /9° | 6.9 mm | 4 | |
| 30 May | Sunny | 18° /8° | 0.5 mm | 4 | |
| 31 May | Patchy rain possible | 17° /7° | 0.1 mm | 4 | |
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Important Notice
Our weather forecast for Chilliwack 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 Chilliwack forecast closer to your planned date for the most up-to-date weather information.
Change Month
Chilliwack in May - FAQ
What are the expected maximum and minimum temperatures in Chilliwack during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chilliwack during May?
Significant rainfall exceeding 113.2 mm is expected in Chilliwack during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chilliwack during May?
The average wind speed in Chilliwack during May is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Chilliwack
Explore the daily rainfall trends and prepare for Chilliwacks May weather 💧
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