January Weather in Jamaica

Last updated: March 2, 2024

The weather in Jamaica, United States, during January is characterized by an average temperature of -5°C (23°F). Highs can soar to 10°C (50°F), while lows may dip to -23°C (-9°F). Typically, the humidity level in Jamaica throughout January hovers around 89%.

-23°C (-9°F)

Minimum temperature

-5°C (23°F)

Average temperature

10°C (50°F)

Maximum temperature

89%

Humidity

Precipitation and Sunshine hours

In January, Jamaica averages 81 mm (3.2 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 9 hours 23 minutes of daylight, with the sun shining for approximately 4 hours 15 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

81 mm (3.2 inches)

Precipitation

9 rainy days

Rainy days

4 hours 15 minutes

Sunshine hours

38%

Chance of sun

UV Index

In January, the UV Index in Jamaica reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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	2	2	3	2	2	1	1	0	0	0
Exposure	Low					Moderate	Low
Time to burn	45 min					30 min	45 min