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Weather in Niagara Falls for May 2025

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 14 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21 °C by the end of May.

  • With an average of 4 rainy days, Niagara Falls experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/8°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Niagara Falls in May average weather

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Temperatures trend during May in Niagara Falls

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
12° /6° 0.6 mm 3
2 May Patchy rain possible
Patchy rain possible
10° /6° 3 mm 3
3 May Patchy rain possible
Patchy rain possible
14° /6° 6.3 mm 4
4 May Patchy rain possible
Patchy rain possible
13° /8° 0.9 mm 3
5 May Overcast
Overcast
14° /8° 0.7 mm 4
6 May Partly cloudy
Partly cloudy
17° /7° 0.2 mm 5
7 May Heavy rain at times
Heavy rain at times
18° /8° 3.4 mm 5
8 May Overcast
Overcast
18° /10° 1.2 mm 4
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
13° /8° 4.7 mm 4
10 May Sunny
Sunny
15° /7° 0.1 mm 4
11 May Cloudy
Cloudy
16° /8° 2.5 mm 4
12 May Sunny
Sunny
18° /9° 0.2 mm 5
13 May Cloudy
Cloudy
19° /11° 4.3 mm 5
14 May Cloudy
Cloudy
14° /9° 11 mm 3
15 May Sunny
Sunny
19° /9° 0 mm 5
16 May Overcast
Overcast
18° /11° 0.1 mm 4
17 May Sunny
Sunny
16° /8° 0.1 mm 4
18 May Sunny
Sunny
19° /8° 0.3 mm 5
19 May Patchy rain possible
Patchy rain possible
21° /11° 1.3 mm 5
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /12° 15.1 mm 5
21 May Sunny
Sunny
22° /13° 0.6 mm 6
22 May Sunny
Sunny
21° /13° 1.1 mm 5
23 May Overcast
Overcast
22° /12° 0.4 mm 5
24 May Moderate rain at times
Moderate rain at times
18° /11° 0.5 mm 5
25 May Sunny
Sunny
19° /8° 4.1 mm 5
26 May Sunny
Sunny
20° /9° 0 mm 6
27 May Sunny
Sunny
22° /13° 1.9 mm 6
28 May Sunny
Sunny
20° /11° 1.8 mm 5
29 May Sunny
Sunny
21° /11° 0 mm 6
30 May Partly cloudy
Partly cloudy
21° /11° 0 mm 6
31 May Sunny
Sunny
24° /12° 0 mm 6
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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.

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 20° and cooler nights around 8°. 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 117.2 mm is expected in Niagara Falls during May, occurring over more than 4 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 16 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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Location coordinates Where is Niagara Falls?

Get accurate weather forecasts for Niagara Falls, located at latitude 43.1 and longitude -79.066. Stay updated with localized weather information tailored for Niagara Falls.

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