Niagara Falls in may: average Weather, Temperature and Climate
Weather in Niagara Falls in may 2026
The weather in Niagara Falls in the month of may comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather 5.2cm
Weather at 6am
54°F
Clear/Sunny
37% of time
23%
18%
11%
Weather at 12pm
65°F
Clear/Sunny
40% of time
25%
19%
11%
Weather at 6pm
59°F
Clear/Sunny
36% of time
26%
19%
11%
Weather at 3am
52°F
35%
24%
20%
8%
Evolution of daily average temperature and precipitation in Niagara Falls in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Niagara Falls in may.
The climate of Niagara Falls in may is good
The weather in may in Niagara Falls is wet (with 6.1in of precipitation over 9 days). It should be noted an improvement from the previous month since in april it receives an average of 6.1in of rainfall over 9 days.
The climate quite enjoyable in this location the month of may. Temperatures are up to 65°F. The minimum is 54°F. Thus, the mean temperature average in may in Niagara Falls is 59°F. These temperatures are far removed from those records observed in Niagara Falls in may with a maximum record of 86°F in 2018 and a minimum record of 31°F in 2020. You can plan to have about 17 days with temperatures above 65°F, or 55% of time.
In may in Niagara Falls, the days on average last 14:42. The sun rises at 04:52 and sets at 19:34.
With a good climate, this month is a good month to go there.
Seasonal average climate and temperature of Niagara Falls in may
Check below seasonal norms These datas are compiled from the weather statements earlier years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 86°F (2018) | ||||
| Lowest record temperature | 31°F (2020) | ||||
| Number of days at +65°F | 17 day(s) (55%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6.1in | ||||
| Number of days with rainfall | 9 day(s) (30%) | ||||
| Record daily rainfall | 3.4in (2017) | ||||
| Snowfall | 5.2cm | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.13km | ||||
| Cloud cover | 40% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:52 | ||||
| Time of sunset | 19:34 | ||||
| Length of day | 14:42 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Niagara Falls in may 2025:
43°F to 68°F
54°F to 65°F
45°F to 50°F
45°F to 54°F
52°F to 67°F
58°F to 65°F
54°F to 67°F
41°F to 50°F
40°F to 58°F
38°F to 65°F
41°F to 59°F
49°F to 79°F
61°F to 70°F
63°F to 72°F
61°F to 76°F
61°F to 74°F
63°F to 70°F
54°F to 61°F
47°F to 59°F
43°F to 61°F
45°F to 54°F
50°F to 52°F
47°F to 50°F
45°F to 56°F
47°F to 61°F
43°F to 67°F
47°F to 67°F
58°F to 63°F
54°F to 56°F
56°F to 65°F
52°F to 56°F
Map: other cities in the United States (USA) in may
Cities near Niagara Falls:
| Buffalo in may | good weather |
| Cleveland in may | good weather |
| Pittsburgh in may | good weather |
| Detroit in may | good weather |
| Albany in may | good weather |
| Baltimore in may | good weather |
| Philadelphia in may | good weather |
| Maryland in may | good weather |
| New York City in may | good weather |
| Washington D. C. in may | good weather |
| Brooklyn in may | good weather |
| New Jersey in may | good weather |
Click over cities on the map for information about the weather in may.
Niagara Falls
perfect weather
good
tolerable
bad
very bad
Weather data for Niagara Falls in may:
Weather data for Niagara Falls for may are derived from an average of the weather forecast since 2009 in Niagara Falls. There is a margin of error and these forecasts are to be considered as general information only. The weather in Niagara Falls can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Niagara Falls.