São José Weather in January

January in São José averages 29°C (84°F) during the day and 22°C (72°F) at night. It is the wettest month of the year, with 219 mm (8.6 in) of rainfall on average, so waterproof gear is a must.

Rainfall in São José in January

Prepare for the heaviest rain of the year this month, which often comes in heavy showers. A poncho is a smart choice to stay dry. Looking at the last 30 years, the data shows about 24 days with rain, averaging 219 mm (8.6 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in São José in January

São José in January gets highs of 29°C (84°F) during the day and drops to 22°C (72°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in São José in January

You can expect a moderate amount of sunlight, with approximately 178 hours. This means a pleasant mix of sun and overcast.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit São José. Our weather planner can help you explore destinations with more pleasant weather conditions.