Cool
Average highs are around 6°C, so pack for cooler days.
March verdict
Portland, Maine, United States in March
Weather score27Poor
Poor for holiday weather
Average highs are around 6°C, so pack for cooler days. Sunshine averages 6.4h per day, enough for a balanced month. Rainfall averages 99mm, so some wet days are possible.
March weather
Monthly averages
Temp
6°C
Rain
99mm
Sun
6.4h
Sea
4°C
Weather score
27
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 99mm, so some wet days are possible.
Some sun
Sunshine averages 6.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 4°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
March6°C average high
March is on the cooler side of Portland's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
March99mm average rain
March 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.
Sun
March6.4 hours average sun
March sits close to Portland's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March4°C average sea
March is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
March27 weather score
March scores below Portland's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels in Portland, Maine, United States
Marriott
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The Ritz-Carlton, PortlandPortland, Oregon, USA
The Nines, a Luxury Collection Hotel, PortlandPortland, Oregon, USA
Portland Marriott Downtown WaterfrontPortland, Oregon, USA
The Bidwell Marriott PortlandPortland, Oregon, USA
The Westin Portland HarborviewPortland, Maine, USA
Sheraton Portland Airport HotelPortland, Oregon, USA