Rosário-Lagoa Weather in January

January in Rosário-Lagoa brings moderate temperatures around 17°C (63°F) during the day, dropping to 14°C (57°F) at night, with quite a bit of rainfall expected, averaging around 107 mm (4.2 in) for the month.

Rainfall in Rosário-Lagoa in January

Looking at the last 30 years, the data shows about 21 days with rain, averaging 107 mm (4.2 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Rosário-Lagoa in January

Temperatures in Rosário-Lagoa in January top out at 17°C (63°F) and drop to 14°C (57°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rosário-Lagoa in January

The month is characterized by fewer sunny days, with roughly 98 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Average water temperature in January

The water temperature is 18°C (64°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

January in Rosário-Lagoa has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.