Buffalo (NY)
May
Weather in Buffalo, New York for May 2026
Your guide to Buffalo weather in May - trends and predictions
In general, the average temperature in Buffalo at the beginning of May is 15.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °F by the end of May.
Buffalo experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 136.4 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
18°/9°
Temperatures
17 km/h
Avg max wind
74 %
Avg humidity
Buffalo Weather May
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Temperatures trend during May in Buffalo
See the weather trend as well as the moving average line
May weather in Buffalo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 16° /6° | 2.1 mm | 4 | |
| May 2 | Patchy rain possible | 14° /7° | 4.1 mm | 4 | |
| May 3 | Patchy rain possible | 14° /6° | 4 mm | 3 | |
| May 4 | Patchy rain possible | 13° /7° | 9.9 mm | 3 | |
| May 5 |  Overcast | 16° /8° | 0.8 mm | 4 | |
| May 6 |  Cloudy | 18° /9° | 1.3 mm | 4 | |
| May 7 |  Heavy rain at times | 19° /8° | 3.2 mm | 4 | |
| May 8 |  Partly cloudy | 16° /8° | 0.9 mm | 4 | |
| May 9 |  Moderate or heavy rain shower | 14° /6° | 3.9 mm | 3 | |
| May 10 |  Sunny | 15° /5° | 0.3 mm | 4 | |
| May 11 | Cloudy | 17° /7° | 1.4 mm | 4 | |
| May 12 | Sunny | 21° /8° | 0.2 mm | 5 | |
| May 13 | Overcast | 21° /12° | 2.1 mm | 5 | |
| May 14 | Overcast | 17° /12° | 4.3 mm | 4 | |
| May 15 | Sunny | 21° /11° | 1.5 mm | 5 | |
| May 16 | Overcast | 20° /12° | 25.6 mm | 4 | |
| May 17 | Sunny | 19° /9° | 11.2 mm | 5 | |
| May 18 | Sunny | 19° /8° | 1.7 mm | 4 | |
| May 19 | Patchy rain possible | 21° /10° | 1.3 mm | 5 | |
| May 20 | Moderate or heavy rain shower | 20° /9° | 8.3 mm | 5 | |
| May 21 | Partly cloudy | 19° /11° | 12 mm | 5 | |
| May 22 | Partly cloudy | 19° /12° | 15 mm | 5 | |
| May 23 | Overcast | 18° /10° | 0.3 mm | 4 | |
| May 24 | Moderate rain at times | 17° /9° | 0.4 mm | 4 | |
| May 25 | Sunny | 19° /7° | 4.5 mm | 5 | |
| May 26 | Sunny | 22° /8° | 0 mm | 5 | |
| May 27 | Sunny | 23° /11° | 1.2 mm | 5 | |
| May 28 | Sunny | 20° /11° | 1.4 mm | 5 | |
| May 29 | Sunny | 19° /11° | 13.6 mm | 5 | |
| May 30 | Cloudy | 21° /11° | 0 mm | 5 | |
| May 31 | Sunny | 21° /11° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Buffalo 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 Buffalo forecast closer to your planned date for the most up-to-date weather information.
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Buffalo in May - FAQ
What are the expected maximum and minimum temperatures in Buffalo during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Buffalo during May?
Significant rainfall exceeding 136.4 mm is expected in Buffalo during May, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Buffalo during May?
The average wind speed in Buffalo during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Buffalo
Explore the daily rainfall trends and prepare for Buffalos May weather 💧
UV exposure in Buffalo during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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