Boston · WinterMonth summary
Boston weather in December
⚠️ Fair
🌡️ Temperature min / max
27°F – 41°F
🌧 Rainy days
34% of days
☀️ Sunshine
7.6h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
4.0/10
📅 📅 Best month
August (8.5/10)
Quick decision
Should you visit Boston in December?
⚠️ Fair
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: Boston in December: 34% rain, 7.6h of sunshine. Better to wait for August.
By trip type
Boston in December by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
Winter in Boston is cool (5°F during the day). Days are short (7.6h of sunshine) but the city reveals a different side. Expect rain on 34% of days — a light raincoat in the bag is recommended.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌨️ January | 23°F | 37°F | 32% | 0.1in | 8.0h | 4.1/10 |
| 🌨️ February | 25°F | 39°F | 35% | 0.1in | 8.7h | 4.1/10 |
| 🌦️ March | 30°F | 46°F | 35% | 0.1in | 9.9h | 4.6/10 |
| 🌦️ April | 39°F | 55°F | 40% | 0.1in | 10.1h | 5.5/10 |
| 🌤️ May | 48°F | 66°F | 38% | 0.1in | 12.0h | 7.3/10 |
| 🌤️ June | 59°F | 77°F | 38% | 0.1in | 13.0h | 8.1/10 |
| 🌤️ July | 66°F | 84°F | 39% | 0.1in | 13.2h | 8.2/10 |
| 🌤️ August | 64°F | 82°F | 34% | 0.1in | 12.5h | 8.5/10 |
| 🌤️ September | 59°F | 73°F | 31% | 0.1in | 10.8h | 7.7/10 |
| ⛅ October | 48°F | 63°F | 32% | 0.2in | 9.7h | 7.0/10 |
| 🌫️ November | 36°F | 50°F | 30% | 0.1in | 8.7h | 5.0/10 |
| 🌫️ December | 27°F | 41°F | 34% | 0.1in | 7.6h | 4.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Boston averages 41°F, 34% rainy days and 7.6h of sunshine per day. Overall weather score: 4.0/10.
See methodology →
Comparison
December vs August (best month)
The best month is August (score 8.5/10). Difference:
- 🌡️ Max temperature : +23°F
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +4.9h/day
FAQ
FAQ — Boston in December
Is December a good time to visit Boston?
December is not recommended for Boston (score 4.0/10). With 34% rainy days and 7.6h of sunshine, consider August (8.5/10) instead.
What's the weather like in Boston in December?
It's cool with 41°F daytime and 27°F at night. 7.6h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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Activities & tours
Activities and tours in Boston
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