Cowichan Valley Regional District (Duncan)
May
Weather in Cowichan Valley Regional District for May 2026
Your guide to Cowichan Valley Regional District weather in May - trends and predictions
The forecast for the first days of May 2026 in Cowichan Valley Regional District predicts temperatures to be around 17 °C, close to the historical average.
In general, the average temperature in Cowichan Valley Regional District at the beginning of May is 18.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 15.4 °C by the end of May.
Cowichan Valley Regional District experiences moderate rainfall in May, with an average of 7 rainy days and a total precipitation of 28.1 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
14°/8°
Temperatures
12 km/h
Avg max wind
75 %
Avg humidity
Cowichan Valley Regional District Weather May
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Temperatures trend during May in Cowichan Valley Regional District
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May weather in Cowichan Valley Regional District day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Sunny | 16° /9° | 0 mm | 4.7 | |
| 2 May | Sunny | 19° /9° | 0 mm | 4.9 | |
| 3 May | Sunny | 22° /11° | 0 mm | 0 | |
| 4 May | Sunny | 20° /12° | 0 mm | 5 | |
| 5 May |  Cloudy | 15° /9° | 0 mm | 3 | |
| 6 May | Sunny | 17° /9° | 0 mm | 4 | |
| 7 May | Sunny | 18° /9° | 0 mm | 4 | |
| 8 May | Sunny | 18° /10° | 0 mm | 4 | |
| 9 May |  Patchy rain possible | 15° /10° | 0.2 mm | 3 | |
| 10 May |  Partly cloudy | 16° /9° | 0 mm | 4 | |
| 11 May | Cloudy | 16° /9° | 0 mm | 3 | |
| 12 May | Partly cloudy | 15° /10° | 0 mm | 4 | |
| 13 May | Patchy rain possible | 13° /9° | 0 mm | 3 | |
| 14 May | Sunny | 14° /9° | 0 mm | 4 | |
| 15 May | Sunny | 13° /9° | 0 mm | 4 | |
| 16 May | Patchy rain possible | 13° /8° | 7.6 mm | 4 | |
| 17 May |  Overcast | 13° /8° | 1.7 mm | 3 | |
| 18 May | Light rain shower | 12° /7° | 0.7 mm | 3 | |
| 19 May | Patchy rain possible | 12° /7° | 0 mm | 3 | |
| 20 May | Cloudy | 15° /10° | 0 mm | 4 | |
| 21 May | Sunny | 14° /9° | 0 mm | 4 | |
| 22 May | Patchy rain possible | 14° /8° | 5 mm | 3 | |
| 23 May | Overcast | 14° /7° | 0 mm | 4 | |
| 24 May | Partly cloudy | 16° /8° | 0 mm | 4 | |
| 25 May | Sunny | 16° /10° | 0.5 mm | 4 | |
| 26 May | Sunny | 15° /10° | 3.5 mm | 4 | |
| 27 May | Overcast | 15° /10° | 0 mm | 4 | |
| 28 May | Partly cloudy | 17° /10° | 3.6 mm | 5 | |
| 29 May | Sunny | 16° /9° | 2.9 mm | 4 | |
| 30 May | Partly cloudy | 15° /7° | 0 mm | 4 | |
| 31 May | Sunny | 14° /8° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Cowichan Valley Regional District 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 Cowichan Valley Regional District forecast closer to your planned date for the most up-to-date weather information.
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Cowichan Valley Regional District in May - FAQ
What are the expected maximum and minimum temperatures in Cowichan Valley Regional District during May?
During May, expect a variety of temperatures with highs around 14° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cowichan Valley Regional District during May?
In May, Cowichan Valley Regional District can expect light to moderate rainfall, totaling 28.1 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Cowichan Valley Regional District during May?
The average wind speed in Cowichan Valley Regional District during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Cowichan Valley Regional District
Explore the daily rainfall trends and prepare for Cowichan Valley Regional Districts May weather 💧
Typically, Cowichan Valley Regional District has 7 rainy days in May with a total of 28.1 mm of rainfall.
UV exposure in Cowichan Valley Regional District during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Cowichan Valley Regional District?Get accurate weather forecasts for Cowichan Valley Regional District, located at latitude 48.783 and longitude -123.703. Stay updated with localized weather information tailored for Cowichan Valley Regional District.
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