May Weather in Niagara-on-the-Lake

Last updated: March 2, 2024

The weather in Niagara-on-the-Lake, Canada, during May is characterized by an average temperature of 11°C (53°F). Highs can soar to 22°C (71°F), while lows may dip to 3°C (39°F). Typically, the humidity level in Niagara-on-the-Lake throughout May hovers around 82%.

3°C (39°F)

Minimum temperature

11°C (53°F)

Average temperature

22°C (71°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In May, Niagara-on-the-Lake averages 99 mm (3.9 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 14 hours 41 minutes of daylight, with the sun shining for approximately 9 hours 24 minutes each day. Additionally, there is a 46% probability of sunny days during this period.

99 mm (3.9 inches)

Precipitation

13 rainy days

Rainy days

9 hours 24 minutes

Sunshine hours

46%

Chance of sun

UV Index

In May, the UV Index in Niagara-on-the-Lake 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-on-the-Lake's Climate with Cities Worldwide