January weather forecast
Tortuguero, Costa Rica

January in Tortuguero, Costa Rica is distinguished by consistently tropical conditions. This is the period where rainfall starts to diminish and the UV index drops to 11. The high and low temperatures hover at around 29°C (84.2°F) and 23°C (73.4°F) respectively and Tortuguero receives 412mm (16.22") of rainfall distributed over 12 days. The entrances to the sea turtle nesting sites start to reopen as the dryer conditions make access easier.

Temperature

In Tortuguero, the coldest months are January, August through December, registering an average high-temperature of 29°C (84.2°F).

Rainfall

In Tortuguero, during January, the rain falls for 12 days and regularly aggregates up to 412mm (16.22") of precipitation. Throughout the year, in Tortuguero, there are 199 rainfall days, and 4875mm (191.93") of precipitation is accumulated.

Sea temperature

January through April, July, August, November and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.
Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

In Tortuguero, the average length of the day in January is 11h and 35min.
On the first day of the month, sunrise is at 05:51 and sunset at 17:23. On the last day of January, in Tortuguero, sunrise is at 05:57 and sunset at 17:37 CST.

Sunshine

The months with the least sunshine are January, July, August, October and November, with an average of 5h of sunshine.

UV index

The average daily maximum UV index in January is 11. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 11 in January leads to these recommendations:
Undertake every vital safety procedure, as unprotected skin and eyes could sustain burns in no time. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Apply and frequently reapply a broad-spectrum SPF 30+ sunscreen after every two hours, or immediately after a swim or outdoor exercise. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.