May weather forecast and climate
Niagara Falls, NY

The glorious Niagara Falls in New York
The glorious Niagara Falls in New York

Weather in May

May, the last month of the spring, in Niagara Falls, is a comfortable month, with average temperature ranging between max 67.6°F (19.8°C) and min 45.1°F (7.3°C).

Temperature

In Niagara Falls, New York, the average high-temperature in May rises, from a mild 55.8°F (13.2°C) in April, to a comfortable 67.6°F (19.8°C). In May, the average low-temperature is 45.1°F (7.3°C).

Rainfall

In Niagara Falls, in May, it is raining for 12.8 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, in Niagara Falls, there are 158.7 rainfall days, and 34.97" (888.2mm) of precipitation is accumulated.

Snowfall

In Niagara Falls snow does not fall through September.

Daylight

The average length of the day in Niagara Falls is 14.7h.

Sunshine

The average sunshine in Niagara Falls is 8h.

UV index

In Niagara Falls, the average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

How much does it rain in Niagara Falls in May?

In May, the rain falls for 12.8 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Niagara Falls?

In Niagara Falls snow does not fall in May through September.

Does it snow in Niagara Falls in May?

In May, in Niagara Falls, New York, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Niagara Falls?

In Niagara Falls, New York, the average length of the day in May is 14.7h.

How many hours of sunshine does Niagara Falls have in May?

In May, the average sunshine in Niagara Falls, New York, is 8h.

What is the UV index intensity in May in Niagara Falls?

The average daily maximum UV index in May in Niagara Falls, New York, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in May
Niagara Falls, NY

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).

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Average rainfall in May
Niagara Falls, NY

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").

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Average rainfall days in May
Niagara Falls, NY

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).

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Average snowfall in May
Niagara Falls, NY

Average snowfall in May - Niagara Falls, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is January (23.6").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Niagara Falls, NY

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).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Niagara Falls, NY

Average daylight in May / Average sunshine in May - Niagara Falls, NY
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8h

Months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 2h).

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Average UV index in May
Niagara Falls, NY

Average UV index in May - Niagara Falls, NY
  • Average UV index in May: 7

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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