East Setauket in December
5.0out of 10
Not the best time
Cold: highs around 7°C. Frequent rain: about 11 rainy days.
7°CAvg high
2°CAvg low
11Rainy days (121 mm)
9:04 hDaylight
07:16Sunrise · 16:21 Sunset
Why this score
- Cold: highs around 7°C
- Frequent rain: about 11 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.7 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -2°C | 95 mm | 10 | – | – | 4.5 |
| February | 4°C | -2°C | 87 mm | 9 | – | – | 4.7 |
| March | 7°C | 2°C | 116 mm | 10 | – | – | 5.0 |
| April | 12°C | 7°C | 98 mm | 11 | – | – | 5.9 |
| May | 17°C | 12°C | 88 mm | 11 | – | – | 6.8 |
| June | 23°C | 18°C | 92 mm | 10 | – | – | 7.7 |
| July | 26°C | 21°C | 82 mm | 9 | – | – | 7.8 |
| August | 26°C | 21°C | 102 mm | 10 | – | – | 7.7 |
| September | 22°C | 18°C | 97 mm | 9 | – | – | 7.8 |
| October | 17°C | 12°C | 113 mm | 9 | – | – | 6.9 |
| November | 12°C | 7°C | 95 mm | 9 | – | – | 6.2 |
| December | 7°C | 2°C | 121 mm | 11 | – | – | 5.0 |
Frequently asked questions
How hot is East Setauket in December?
Daytime highs average 7°C and nights about 2°C.
When is the best time to visit East Setauket?
The best months are July, September, June, August.