January verdict

Portland, Maine, United States in January

Weather score25Poor

Poor for holiday weather

Average highs are around 0°C, so pack for cooler days. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 94mm, so some wet days are possible.

Portland, Maine, United States, United States travel weather guide
Photo by Brandon DesJarlais on Unsplash

January weather

Monthly averages

Temp

0°C

Rain

94mm

Sun

5h

Sea

6°C

Weather score

25

Poor

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 0°C, so pack for cooler days.

Showers

Rainfall averages 94mm, so some wet days are possible.

Some sun

Sunshine averages 5h per day, enough for a balanced month.

Cool sea

Sea temperatures average 6°C, so the water can feel cool.

Map

Weather map

Compare Portland, Maine, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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January0°C average high

January has some of the coolest average daytime highs of the year, so pack for fresher conditions.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

January94mm average rain

January sits near Portland's yearly rainfall average, so rain is a normal planning factor rather than an outlier.

Driest monthsJanuary to October

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

January5 hours average sun

January is below Portland's yearly sunshine average, so bright-day planning is less reliable than in peak months.

Brightest monthsJune to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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January6°C average sea

January is below Portland's yearly sea-temperature average, so swimming can feel fresher.

Warmest seaJuly to September

Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.

Weather score

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January25 weather score

January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJuly to August

These months have the strongest weather score in the monthly averages.

Hotels in Portland, Maine, United States