Mariana Weather in January

During January, Mariana experiences high daytime temperatures of 28°C (82°F) and cooler nights around 19°C (66°F). January sits within the rainy season, so expect regular and often heavy rainfall.

Rainfall in Mariana in January

As part of the rainy season, Mariana sees around 25 days of rain in January, with an average of 290 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Mariana in January

Daytime highs in Mariana in January reach 28°C (82°F), with nights around 19°C (66°F). This kind of day-to-night contrast is typical for this time of year. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Mariana. Our weather planner can help you explore destinations with more pleasant weather conditions.