January weather forecast
Huatulco, Mexico

January, like December, is another hot winter month in Huatulco, Mexico, with an average temperature ranging between max 33°C (91.4°F) and min 19°C (66.2°F).
The ideal sea water temperature of 27°C (80.6°F) and 3mm (0.12") of accumulated rainfall makes January the best time for swimming and other water activities.

Temperature

Lowest temperatures in Huatulco are observed in January, February, November and December, averaging a high-temperature of 33°C (91.4°F).

Rainfall

During January, Huatulco regularly aggregates up to 3mm (0.12") of precipitation. During the entire year, Huatulco aggregates up to 704mm (27.72") of precipitation.

Sea temperature

The months with the coldest seawater are January, February and December, with an average sea temperature of 27°C (80.6°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

In Huatulco, Mexico, the average length of the day in January is 11h and 19min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:04 pm. On the last day of January, sunrise is at 6:55 am and sunset at 6:22 pm CST.

Sunshine

In Huatulco, Mexico, the average sunshine in January is 8h.

UV index

The average daily maximum UV index in January is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 9 in January converts into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Applying and reapplying liberally a broad-spectrum sunscreen of SPF 30+ every two hours, and straight after a swim or outdoor activity is recommended. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.