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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our South Portland's climate page.
South Portland Temperature in January
Min Temperature
-9°C (16°F)
Max Temperature
0°C (32°F)
Water Temperature
5°C (41°F) *
Chance of Rain
40%
Precipitation
88 mm (3.5 in)
Rainy days
12 days
Humidity
67% *
Sunshine
162 hours *
Percentage Sunshine
57% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
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What to Wear in South Portland in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 5°C (41°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in South Portland in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our South Portland's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full South Portland climate overview or explore weather in the United States of America.
