Niagara Falls (NY)
May
Weather in Niagara Falls, New York for May 2026
Your guide to Niagara Falls weather in May - trends and predictions
In general, the average temperature in Niagara Falls at the beginning of May is 16.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 18 °F by the end of May.
Niagara Falls in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 204.3 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
17°/10°
Temperatures
18 km/h
Avg max wind
79 %
Avg humidity
Niagara Falls Weather May
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Temperatures trend during May in Niagara Falls
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May weather in Niagara Falls day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 17° /7° | 9.3 mm | 4 | |
| May 2 |  Partly cloudy | 16° /10° | 8.2 mm | 4 | |
| May 3 |  Patchy rain possible | 16° /8° | 3.4 mm | 4 | |
| May 4 |  Light drizzle | 14° /8° | 14.2 mm | 4 | |
| May 5 | Patchy rain possible | 17° /10° | 0.7 mm | 4 | |
| May 6 |  Sunny | 18° /11° | 4.5 mm | 5 | |
| May 7 | Partly cloudy | 18° /8° | 1.2 mm | 5 | |
| May 8 | Light rain shower | 14° /8° | 3 mm | 3 | |
| May 9 |  Moderate rain | 12° /5° | 3.3 mm | 4 | |
| May 10 | Patchy rain possible | 15° /5° | 0.1 mm | 4 | |
| May 11 | Light rain shower | 14° /5° | 2.3 mm | 4 | |
| May 12 | Patchy rain possible | 19° /6° | 0.2 mm | 5 | |
| May 13 | Light rain shower | 19° /12° | 8 mm | 5 | |
| May 14 | Light rain shower | 18° /13° | 10.2 mm | 4 | |
| May 15 |  Fog | 20° /13° | 2 mm | 5 | |
| May 16 | Patchy rain possible | 20° /13° | 50.5 mm | 5 | |
| May 17 | Patchy rain possible | 20° /11° | 11.9 mm | 5 | |
| May 18 | Patchy rain possible | 18° /11° | 0.3 mm | 4 | |
| May 19 | Mist | 19° /9° | 0 mm | 5 | |
| May 20 | Partly cloudy | 19° /9° | 0 mm | 6 | |
| May 21 |  Patchy light rain with thunder | 18° /12° | 18.7 mm | 4 | |
| May 22 | Light rain shower | 18° /13° | 23.5 mm | 4 | |
| May 23 | Patchy rain possible | 16° /10° | 0.4 mm | 4 | |
| May 24 | Sunny | 18° /10° | 0 mm | 5 | |
| May 25 |  Moderate or heavy rain with thunder | 19° /8° | 3.9 mm | 5 | |
| May 26 | Partly cloudy | 21° /8° | 0 mm | 5 | |
| May 27 | Light rain shower | 21° /12° | 1.8 mm | 5 | |
| May 28 | Light rain shower | 17° /11° | 1.8 mm | 4 | |
| May 29 | Mist | 14° /10° | 20.8 mm | 4 | |
| May 30 | Sunny | 18° /10° | 0 mm | 5 | |
| May 31 | Cloudy | 16° /9° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Niagara Falls 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 Niagara Falls forecast closer to your planned date for the most up-to-date weather information.
Change Month
Niagara Falls in May - FAQ
What are the expected maximum and minimum temperatures in Niagara Falls during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Niagara Falls during May?
Significant rainfall exceeding 204.3 mm is expected in Niagara Falls during May, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Niagara Falls during May?
The average wind speed in Niagara Falls during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Niagara Falls
Explore the daily rainfall trends and prepare for Niagara Fallss May weather 💧
UV exposure in Niagara Falls during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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