January Weather in Rochester

Last updated: March 2, 2024

The weather in Rochester, United States, during January is characterized by an average temperature of 5°C (41°F). Highs can soar to 13°C (55°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Rochester throughout January hovers around 86%.

-4°C (25°F)

Minimum temperature

5°C (41°F)

Average temperature

13°C (55°F)

Maximum temperature

86%

Humidity

Precipitation and Sunshine hours

In January, Rochester averages 186 mm (7.3 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 9 hours 1 minutes of daylight, with the sun shining for approximately 2 hours 38 minutes each day. Additionally, there is a 13% probability of sunny days during this period.

186 mm (7.3 inches)

Precipitation

17 rainy days

Rainy days

2 hours 38 minutes

Sunshine hours

13%

Chance of sun

UV Index

In January, the UV Index in Rochester 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	0	0	0
Exposure	Low
Time to burn	45 min