Portland

Maine, USA

❄️

3°C (37°F)

Feels like -1°C (30°F)

December Weather Details

🌡️ Temperature

Daytime Highs

3°C

(37°F)

Nighttime Lows

-4°C

(25°F)

Cold and snowy with a feels-like temperature of -1°C (30°F) .

🌧️ Rainfall

High (snow)

December rainfall patterns vary by location. Check local forecasts for specific precipitation amounts.

💧 Humidity

72% Average

Humidity levels affect how the temperature feels. Higher humidity makes warm temperatures feel hotter.

☀️ Sunshine

4-5 hours daily

December days are shorter in the northern hemisphere. Plan activities accordingly.

🌊 Ocean & Beaches

Water Temperature

7° C

( 45 °F)

Surf Conditions

Moderate

Rocky Atlantic coastline is icy cold in December - perfect for lighthouse walks

Temperature, humidity and rainfall are December averages for 2015–2024 (water temperature: Decembers 2022–2024) from Open-Meteo (ERA5 reanalysis), licensed CC BY 4.0.

🎯 Popular Activities

Activities

Seafood dining
Lighthouse visits
Brewery tours
Holiday shopping
Coastal walks

Attractions

Portland Head Light
Old Port
Eastern Promenade
Portland Museum of Art
Casco Bay islands

💰 Cost of Living

$2,800

estimated per month

SOLO TRAVELERS

📶 Internet Speed

Mbps

Estimated average speed

📊 Quick Facts

Weather Cold and snowy

Humidity 72%

✅ December Summary

December in Portland offers cold and snowy weather with temperatures ranging from -4°C (25°F) to 3°C (37°F). The humidity is around 72% and you can expect 4-5 hours daily. Popular activities include Seafood dining, Lighthouse visits, Brewery tours and more. For digital nomads, the cost of living is approximately $2,800 per month and internet speeds average 85 Mbps.