January Weather in St. Catharines

Last updated: March 2, 2024

The weather in St. Catharines, Canada, during January is characterized by an average temperature of -2°C (29°F). Highs can soar to 9°C (49°F), while lows may dip to -14°C (8°F). Typically, the humidity level in St. Catharines throughout January hovers around 91%.

-14°C (8°F)

Minimum temperature

-2°C (29°F)

Average temperature

9°C (49°F)

Maximum temperature

91%

Humidity

Precipitation and Sunshine hours

In January, St. Catharines averages 77 mm (3.0 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 23 minutes of daylight, with the sun shining for approximately 3 hours 28 minutes each day. Additionally, there is a 14% probability of sunny days during this period.

77 mm (3.0 inches)

Precipitation

10 rainy days

Rainy days

3 hours 28 minutes

Sunshine hours

14%

Chance of sun

UV Index

In January, the UV Index in St. Catharines reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 45 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 0 1 1 1 2 2 2 2 1 1 1 0 0
Exposure Low
Time to burn 45 min

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