Niagara County (Niagara Falls)
May
Weather in Niagara County for May 2025
Your guide to Niagara County weather in May - trends and predictions
In general, the average temperature in Niagara County at the beginning of May is 17 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 19.1 °F by the end of May.
Expect significant rainfall in Niagara County during May, with an average of 18 rainy days.
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13
Dry days
18
Rainy days
0
Snow days
18°/11°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Niagara County in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  14° | 3  22° | 4  15° | |||
| 5 15° | 6  18° | 7 19° | 8 19° | 9  11° | 10 12° | 11 12° |
| 12 12° | 13 17° | 14 14° | 15  17° | 16 18° | 17 20° | 18 21° |
| 19 22° | 20 23° | 21  24° | 22 24° | 23 22° | 24 22° | 25  22° |
| 26 22° | 27 22° | 28 17° | 29 15° | 30 17° | 31 19° |
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Temperatures trend during May in Niagara County
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 |
|---|---|---|---|---|---|
| May 1 | Cloudy | 16° /9° | 0.1 mm | 4 | |
| May 2 | Partly cloudy | 14° /9° | 0 mm | 4 | |
| May 3 | Patchy rain possible | 22° /10° | 6.8 mm | 5 | |
| May 4 | Light drizzle | 15° /11° | 1 mm | 4 | |
| May 5 | Patchy rain possible | 15° /11° | 1.4 mm | 4 | |
| May 6 | Sunny | 18° /10° | 0.3 mm | 5 | |
| May 7 | Partly cloudy | 19° /8° | 2.4 mm | 5 | |
| May 8 | Light rain shower | 19° /13° | 2.4 mm | 4 | |
| May 9 | Moderate rain | 11° /9° | 6.7 mm | 3 | |
| May 10 | Patchy rain possible | 12° /8° | 0.3 mm | 3 | |
| May 11 | Light rain shower | 12° /7° | 4.7 mm | 3 | |
| May 12 | Patchy rain possible | 12° /7° | 0.4 mm | 3 | |
| May 13 | Light rain shower | 17° /10° | 8 mm | 4 | |
| May 14 | Light rain shower | 14° /10° | 20.3 mm | 3 | |
| May 15 | Fog | 17° /11° | 0.1 mm | 4 | |
| May 16 | Patchy rain possible | 18° /12° | 0.1 mm | 4 | |
| May 17 | Patchy rain possible | 20° /12° | 0.2 mm | 5 | |
| May 18 | Patchy rain possible | 21° /13° | 0.6 mm | 5 | |
| May 19 | Mist | 22° /13° | 0 mm | 5 | |
| May 20 | Partly cloudy | 23° /14° | 0 mm | 6 | |
| May 21 | Patchy light rain with thunder | 24° /18° | 0.9 mm | 5 | |
| May 22 | Light rain shower | 24° /17° | 2 mm | 5 | |
| May 23 | Patchy rain possible | 22° /15° | 0.8 mm | 5 | |
| May 24 | Sunny | 22° /14° | 0 mm | 6 | |
| May 25 | Moderate or heavy rain with thunder | 22° /11° | 7.8 mm | 5 | |
| May 26 | Partly cloudy | 22° /11° | 0 mm | 6 | |
| May 27 | Light rain shower | 22° /17° | 3.6 mm | 5 | |
| May 28 | Light rain shower | 17° /11° | 3.7 mm | 4 | |
| May 29 | Mist | 15° /10° | 0 mm | 4 | |
| May 30 | Sunny | 17° /9° | 0 mm | 5 | |
| May 31 | Cloudy | 19° /9° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Niagara County 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 County forecast closer to your planned date for the most up-to-date weather information.
Niagara County in May - FAQ
What are the expected maximum and minimum temperatures in Niagara County during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Niagara County during May?
Moderate rainfall is anticipated in Niagara County during May, with a total of 74.7 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Niagara County during May?
The average wind speed in Niagara County during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Niagara County
Explore the daily rainfall trends and prepare for Niagara Countys May weather 💧
UV exposure in Niagara County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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