Weather in Regional Municipality of Niagara for May 2026
Frost Warning - See hour by hour.
Until now, May 2026 in Regional Municipality of Niagara is cooler than usual, with temperatures averaging 12.6 °C, this is -2.2 °C below the typical seasonal average.
The forecast for the upcoming days in Regional Municipality of Niagara predicts a temperature of 17.3 °C, which is slightly above the historical average.
In general, the average temperature in Regional Municipality of Niagara at the beginning of May is 14.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20 °C by the end of May.
Regional Municipality of Niagara in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 130.5 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
Regional Municipality of Niagara Weather May
Temperatures trend during May in Regional Municipality of Niagara
May weather in Regional Municipality of Niagara day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate rain at times | 13° /3° | 7.6 mm | 5 | |
| 2 May | Moderate rain at times | 12° /3° | 1.6 mm | 5 | |
| 3 May |  Patchy rain possible | 13° /4° | 2.9 mm | 4 | |
| 4 May | Moderate rain at times | 15° /7° | 10.6 mm | 4 | |
| 5 May | Patchy rain possible | 15° /7° | 1.1 mm | 3 | |
| 6 May |  Cloudy | 16° /6° | 12.8 mm | 5 | |
| 7 May |  Heavy rain at times | 17° /5° | 2.2 mm | 5 | |
| 8 May | Cloudy | 16° /6° | 0.3 mm | 4 | |
| 9 May | Heavy rain at times | 16° /5° | 2.5 mm | 4 | |
| 10 May |  Partly cloudy | 17° /4° | 0.1 mm | 6 | |
| 11 May |  Sunny | 16° /4° | 0 mm | 6 | |
| 12 May | Patchy rain possible | 12° /0° | 2.7 mm | 6.3 | |
| 13 May |  Moderate rain | 13° /6° | 17.6 mm | 3.6 | |
| 14 May | Patchy rain possible | 11° /5° | 0.6 mm | 1.8 | |
| 15 May | Partly cloudy | 17° /5° | 0 mm | 0.7 | |
| 16 May |  Overcast | 13° /7° | 0 mm | 3 | |
| 17 May | Patchy rain possible | 20° /7° | 0.8 mm | 3 | |
| 18 May | Patchy rain possible | 22° /10° | 1.1 mm | 4 | |
| 19 May | Patchy rain possible | 17° /7° | 2.8 mm | 3 | |
| 20 May | Sunny | 19° /5° | 0 mm | 4 | |
| 21 May | Partly cloudy | 22° /7° | 0 mm | 4 | |
| 22 May | Moderate rain | 25° /11° | 5.2 mm | 4 | |
| 23 May | Patchy rain possible | 17° /9° | 2.7 mm | 3 | |
| 24 May | Sunny | 18° /8° | 0 mm | 4 | |
| 25 May | Sunny | 19° /6° | 2.1 mm | 5 | |
| 26 May | Sunny | 21° /5° | 0 mm | 6 | |
| 27 May | Sunny | 20° /9° | 0.9 mm | 5 | |
| 28 May | Sunny | 19° /9° | 0.4 mm | 5 | |
| 29 May | Sunny | 19° /9° | 15.2 mm | 5 | |
| 30 May | Sunny | 21° /9° | 0 mm | 5 | |
| 31 May | Sunny | 21° /9° | 0 mm | 5 | |
| Next | |||||
Regional Municipality of Niagara in May - FAQ
What are the expected maximum and minimum temperatures in Regional Municipality of Niagara during May?
How much rainfall should be expected in Regional Municipality of Niagara during May?
What are the typical wind conditions in Regional Municipality of Niagara during May?
May rainfall patterns in Regional Municipality of Niagara
UV exposure in Regional Municipality of Niagara during May
Quick links
Where is Regional Municipality of Niagara?Get accurate weather forecasts for Regional Municipality of Niagara, located at latitude 43.133 and longitude -80.266. Stay updated with localized weather information tailored for Regional Municipality of Niagara.