Regional District of Okanagan-Similkameen (Penticton)
May
Weather in Regional District of Okanagan-Similkameen for May 2026
Your guide to Regional District of Okanagan-Similkameen weather in May - trends and predictions
In general, the average temperature in Regional District of Okanagan-Similkameen at the beginning of May is 17 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.3 °C by the end of May.
Regional District of Okanagan-Similkameen experiences moderate rainfall in May, with an average of 9 rainy days and a total precipitation of 42.2 mm.
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Temperatures
Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
19°/5°
Temperatures
14 km/h
Avg max wind
56 %
Avg humidity
Regional District of Okanagan-Similkameen Weather May
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Temperatures trend during May in Regional District of Okanagan-Similkameen
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May weather in Regional District of Okanagan-Similkameen day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain shower | 17° /0° | 1.3 mm | 5 | |
| 2 May | Patchy rain possible | 20° /2° | 0.1 mm | 5 | |
| 3 May |  Partly cloudy | 15° /5° | 0 mm | 4 | |
| 4 May | Patchy rain possible | 15° /6° | 0 mm | 4 | |
| 5 May | Patchy rain possible | 18° /3° | 0.3 mm | 5 | |
| 6 May |  Patchy light drizzle | 16° /2° | 0.7 mm | 5 | |
| 7 May | Patchy rain possible | 18° /5° | 0.1 mm | 4 | |
| 8 May |  Sunny | 18° /3° | 0 mm | 6 | |
| 9 May | Sunny | 22° /5° | 0 mm | 5 | |
| 10 May | Sunny | 23° /9° | 0 mm | 6 | |
| 11 May |  Overcast | 21° /10° | 0 mm | 5 | |
| 12 May | Sunny | 21° /10° | 0 mm | 6 | |
| 13 May | Patchy rain possible | 18° /8° | 1.9 mm | 5 | |
| 14 May | Partly cloudy | 18° /2° | 0 mm | 5 | |
| 15 May | Sunny | 20° /5° | 0 mm | 5 | |
| 16 May | Patchy rain possible | 16° /7° | 0 mm | 4 | |
| 17 May | Light rain | 14° /6° | 3.5 mm | 4 | |
| 18 May | Light rain shower | 14° /4° | 0.7 mm | 4 | |
| 19 May |  Thundery outbreaks possible | 13° /3° | 3 mm | 4 | |
| 20 May | Patchy rain possible | 21° /10° | 0.4 mm | 5 | |
| 21 May |  Moderate or heavy rain shower | 19° /8° | 4.8 mm | 5 | |
| 22 May | Moderate or heavy rain shower | 12° /1° | 4.4 mm | 3 | |
| 23 May | Moderate or heavy rain shower | 17° /3° | 4.3 mm | 4 | |
| 24 May | Patchy rain possible | 20° /4° | 0.2 mm | 5 | |
| 25 May | Patchy rain possible | 19° /4° | 3.8 mm | 5 | |
| 26 May | Moderate rain at times | 21° /8° | 4.3 mm | 5 | |
| 27 May | Patchy rain possible | 21° /6° | 0.1 mm | 5 | |
| 28 May | Sunny | 23° /6° | 1.5 mm | 6 | |
| 29 May | Sunny | 20° /5° | 3.1 mm | 5 | |
| 30 May | Sunny | 22° /5° | 0 mm | 6 | |
| 31 May | Sunny | 23° /6° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Regional District of Okanagan-Similkameen 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 Regional District of Okanagan-Similkameen forecast closer to your planned date for the most up-to-date weather information.
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Regional District of Okanagan-Similkameen in May - FAQ
What are the expected maximum and minimum temperatures in Regional District of Okanagan-Similkameen during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Regional District of Okanagan-Similkameen during May?
In May, Regional District of Okanagan-Similkameen can expect light to moderate rainfall, totaling 42.2 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Regional District of Okanagan-Similkameen during May?
The average wind speed in Regional District of Okanagan-Similkameen during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Regional District of Okanagan-Similkameen
Explore the daily rainfall trends and prepare for Regional District of Okanagan-Similkameens May weather 💧
UV exposure in Regional District of Okanagan-Similkameen during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Regional District of Okanagan-Similkameen?Get accurate weather forecasts for Regional District of Okanagan-Similkameen, located at latitude 49.481 and longitude -119.586. Stay updated with localized weather information tailored for Regional District of Okanagan-Similkameen.
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