Itaguaí Weather in December

December in Itaguaí averages 29°C (84°F) during the day and 23°C (73°F) at night. December is part of the rainy season, with around 218 mm (8.6 in) of rainfall and frequent showers.

Rainfall in Itaguaí in December

As part of the rainy season, Itaguaí sees around 20 days of rain in December, with an average of 218 mm (8.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Itaguaí in December

Itaguaí in December gets highs of 29°C (84°F) during the day and drops to 23°C (73°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.

Sunshine in Itaguaí in December

The area enjoys a moderate level of sunlight, with around 182 hours. It's a good balance between sunny and rainy days.

If you prefer enjoying temperate temperatures and rain-free days, May, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.