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Weather in Niagara Falls, New York for May 2026

Your guide to Niagara Falls weather in May - trends and predictions

    Official Weather Alert ⚠️

  • Weather Warning - See hour by hour.

  • Temperatures

  • Until now, May 2026 in Niagara Falls has been significantly cooler than historical averages by -2 °F, with average temperature of 14.4 °F.

  • The forecast for the next days in Niagara Falls predicts temperatures to be around 19 °F, close to the historical average.

  • In general, the average temperature in Niagara Falls at the beginning of May is 14.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.3 °F by the end of May.

  • Rain 🌧️

  • 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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Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/10°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Niagara Falls Weather May

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Temperatures trend during May in Niagara Falls

See the weather trend as well as the moving average line

May weather in Niagara Falls day by day

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Date Weather Temperatures Rain UV More
May 1 Cloudy
Cloudy
14° /5° 6.4 mm 5
May 2 Partly cloudy
Partly cloudy
13° /6° 6 mm 5
May 3 Patchy rain possible
Patchy rain possible
14° /5° 2.3 mm 5
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /8° 11.1 mm 4
May 5 Patchy rain possible
Patchy rain possible
16° /9° 4.5 mm 3
May 6 Sunny
Sunny
15° /9° 6 mm 4
May 7 Partly cloudy
Partly cloudy
16° /6° 3 mm 5
May 8 Light rain shower
Light rain shower
13° /7° 2.7 mm 3
May 9 Moderate rain
Moderate rain
13° /6° 2.9 mm 4
May 10 Cloudy
Cloudy
14° /5° 0.1 mm 5
May 11 Light rain shower
Light rain shower
13° /5° 1.6 mm 5
May 12 Patchy rain possible
Patchy rain possible
17° /5° 0.4 mm 6
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
18° /10° 9 mm 4
May 14 Light rain shower
Light rain shower
14° /10° 7.3 mm 3
May 15 Fog
Fog
19° /10° 1.3 mm 5
May 16 Patchy rain possible
Patchy rain possible
20° /11° 34.6 mm 6
May 17 Patchy rain possible
Patchy rain possible
21° /11° 8 mm 6
May 18 Patchy rain possible
Patchy rain possible
21° /12° 0.2 mm 6
May 19 Mist
Mist
21° /11° 1.4 mm 5
May 20 Partly cloudy
Partly cloudy
19° /9° 0.4 mm 6
May 21 Patchy light rain with thunder
Patchy light rain with thunder
18° /12° 18.7 mm 4
May 22 Light rain shower
Light rain shower
18° /10° 15.6 mm 6
May 23 Patchy rain possible
Patchy rain possible
15° /10° 13.1 mm 3
May 24 Patchy rain possible
Patchy rain possible
21° /10° 1.2 mm 3.8
May 25 Moderate rain
Moderate rain
21° /13° 6.1 mm 8
May 26 Sunny
Sunny
23° /13° 0 mm 7.9
May 27 Moderate rain
Moderate rain
22° /15° 6.2 mm 7.4
May 28 Partly cloudy
Partly cloudy
20° /10° 0 mm 0.9
May 29 Moderate rain
Moderate rain
22° /14° 5.9 mm 4
May 30 Moderate rain
Moderate rain
14° /9° 8.5 mm 3
May 31 Patchy rain possible
Patchy rain possible
13° /7° 0.2 mm 3
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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 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 💧
Typically, Niagara Falls has 20 rainy days in May with a total of 204.3 mm of rainfall.

UV exposure in Niagara Falls during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Niagara Falls?

Get accurate weather forecasts for Niagara Falls, located at latitude 43.095 and longitude -79.057. Stay updated with localized weather information tailored for Niagara Falls.

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