May Weather in Niagara Falls

Last updated: March 2, 2024

The weather in Niagara Falls, Canada, during May is characterized by an average temperature of 13°C (56°F). Highs can soar to 26°C (80°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Niagara Falls throughout May hovers around 82%.

3°C (38°F)

Minimum temperature

13°C (56°F)

Average temperature

26°C (80°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In May, Niagara Falls averages 101 mm (4.0 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 39 minutes of daylight, with the sun shining for approximately 9 hours 24 minutes each day. Additionally, there is a 45% probability of sunny days during this period.

101 mm (4.0 inches)

Precipitation

13 rainy days

Rainy days

9 hours 24 minutes

Sunshine hours

45%

Chance of sun

UV Index

In May, the UV Index in Niagara Falls reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 3 5 7 8 9 9 7 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Niagara Falls's Climate with Cities Worldwide