South Portland Weather in January

January in South Portland brings very low temperatures, with highs of 0°C (32°F) and nights dropping to -9°C (16°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in South Portland in January

This month is a reliable choice for exploring, with the driest conditions of the year, even if you'll need to dress for cooler weather. This month experiences about 12 days of snow/rain according to historical data, averaging 88 mm (3.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in South Portland in January

January in South Portland brings typical temperatures with highs around 0°C (32°F) and lows of -9°C (16°F). January is a notable month of the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With overnight lows of -9°C (16°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. During the coldest month of the year, be prepared to bundle up with heavy winter gear.

Sunshine in South Portland in January

The city usually sees around 162 hours of sunlight, indicating a moderately sunny period.

Average water temperature in January

At 5°C (41°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

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