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Weather in Buffalo, New York for May 2026

Your guide to Buffalo weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Buffalo during May is quite rare, with fewer than 2 snowy days on average.
    According to Buffalo snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Friday, May 1.

    • Temperatures

  • The forecast for the first days of May 2026 in Buffalo predicts temperatures to be around 12 °F, close to the historical average.

  • In general, the average temperature in Buffalo at the beginning of May is 11.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.7 °F by the end of May.

    • Rain 🌧️

  • Buffalo experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 136.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/9°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Buffalo Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
8°
2
Patchy rain possible
8°
3
Patchy rain possible
10°
4
Patchy rain possible
12°
5
Patchy rain possible
19°
6
Patchy rain possible
13°
7
Partly cloudy
12°
8
Patchy rain possible
11°
9
Patchy rain possible
10°
10
Patchy rain possible
10°
11
Patchy rain possible
12°
12
Sunny
21°
13
Overcast
21°
14
Overcast
17°
15
Sunny
21°
16
Overcast
20°
17
Sunny
19°
18
Sunny
19°
19
Patchy rain possible
21°
20
Moderate or heavy rain shower
20°
21
Partly cloudy
19°
22
Partly cloudy
19°
23
Overcast
18°
24
Moderate rain at times
17°
25
Sunny
19°
26
Sunny
22°
27
Sunny
23°
28
Sunny
20°
29
Sunny
19°
30
Cloudy
21°
31
Sunny
21°

Temperatures trend during May in Buffalo

See the weather trend as well as the moving average line

May weather in Buffalo day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Patchy rain possible
Patchy rain possible
 8° /3° 2.5 mm 0.1 cm
May 2 Patchy rain possible
Patchy rain possible
 8° /0° 0.5 mm 0 cm
May 3 Patchy rain possible
Patchy rain possible
 10° /0° 0.3 mm 0 cm
May 4 Patchy rain possible
Patchy rain possible
 12° /7° 1.5 mm 0 cm
May 5 Patchy rain possible
Patchy rain possible
 19° /9° 0.3 mm 0 cm
May 6 Patchy rain possible
Patchy rain possible
 13° /7° 0.1 mm 0 cm
May 7 Partly cloudy
Partly cloudy
 12° /7° 0 mm 0 cm
May 8 Patchy rain possible
Patchy rain possible
 11° /5° 1.5 mm 0 cm
May 9 Patchy rain possible
Patchy rain possible
 10° /5° 0.7 mm 0 cm
May 10 Patchy rain possible
Patchy rain possible
 10° /5° 0.9 mm 0 cm
May 11 Patchy rain possible
Patchy rain possible
 12° /4° 0.9 mm 0 cm
May 12 Sunny
Sunny
 21° /8° 0.2 mm 0 cm
May 13 Overcast
Overcast
 21° /12° 2.1 mm 0 cm
May 14 Overcast
Overcast
 17° /12° 4.3 mm 0 cm
May 15 Sunny
Sunny
 21° /11° 1.5 mm 0 cm
May 16 Overcast
Overcast
 20° /12° 25.6 mm 0 cm
May 17 Sunny
Sunny
 19° /9° 11.2 mm 0 cm
May 18 Sunny
Sunny
 19° /8° 1.7 mm 0 cm
May 19 Patchy rain possible
Patchy rain possible
 21° /10° 1.3 mm 0 cm
May 20 Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /9° 8.3 mm 0 cm
May 21 Partly cloudy
Partly cloudy
 19° /11° 12 mm 0 cm
May 22 Partly cloudy
Partly cloudy
 19° /12° 15 mm 0 cm
May 23 Overcast
Overcast
 18° /10° 0.3 mm 0 cm
May 24 Moderate rain at times
Moderate rain at times
 17° /9° 0.4 mm 0 cm
May 25 Sunny
Sunny
 19° /7° 4.5 mm 0 cm
May 26 Sunny
Sunny
 22° /8° 0 mm 0 cm
May 27 Sunny
Sunny
 23° /11° 1.2 mm 0 cm
May 28 Sunny
Sunny
 20° /11° 1.4 mm 0 cm
May 29 Sunny
Sunny
 19° /11° 13.6 mm 0 cm
May 30 Cloudy
Cloudy
 21° /11° 0 mm 0 cm
May 31 Sunny
Sunny
 21° /11° 0 mm 0 cm
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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.

Buffalo snow forecast May 2026

Track daily snowfall levels and discover Buffalo’s snowy potential this May ❄️

May rainfall patterns in Buffalo

Explore the daily rainfall trends and prepare for Buffalos May weather 💧
Typically, Buffalo has 22 rainy days in May with a total of 136.4 mm of rainfall.

UV exposure in Buffalo during May

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

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Location coordinates Where is Buffalo?

Get accurate weather forecasts for Buffalo, located at latitude 42.886 and longitude -78.878. Stay updated with localized weather information tailored for Buffalo.

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