Weather in May
Temperature
May in Niagara Falls brings a temperature change, with average high-temperatures moving from April's refreshing 55.8°F (13.2°C) to an enjoyable 67.6°F (19.8°C). A noticeable downturn in temperature characterizes the May nights in Niagara Falls, averaging at a frosty 45.1°F (7.3°C).Rainfall
In Niagara Falls, in May, during 12.8 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, in Niagara Falls, there are 158.7 rainfall days, and 34.96" (888mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Niagara Falls, the average length of the day in May is 14h and 41min.On the first day of May, sunrise is at 6:08 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:48 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
In Niagara Falls, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Niagara Falls in May?
How much does it rain in Niagara Falls in May?
When it does not snow in Niagara Falls?
Does it snow in Niagara Falls in May?
How many hours of daylight does Niagara Falls have in May?
When are sunrise and sunset in May in Niagara Falls?
How many hours of sunshine does Niagara Falls have in May?
What is the UV index reading in May in Niagara Falls?
Average temperature in May
Niagara Falls, NY
- Average high temperature in May: 67.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.1°F).
- Average low temperature in May: 45.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average rainfall in May
Niagara Falls, NY
- Average rainfall in May: 3.1"
The wettest months (with the highest rainfall) are September and November (3.4").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in May
Niagara Falls, NY
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is January (19.2 days).
The month with the least rainy days is August (9.8 days).
Average snowfall in May
Niagara Falls, NY
- Average snowfall in May: 0"
The month with the highest snowfall is January (23.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Niagara Falls, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Niagara Falls, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h
The months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 2h).
Average UV index in May
Niagara Falls, NY
- Average UV index in May: 7
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).
Niagara Falls, New York, USA
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