Arroyo Seco in December
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 29°C. Frequent rain: about 9 rainy days.
29°CAvg high
18°CAvg low
9Rainy days (107 mm)
14:11 hDaylight
05:53Sunrise · 20:04 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rainfall in December is fairly consistent from year to year (2.9 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 | 30°C | 19°C | 105 mm | 8 | – | – | 7.6 |
| February | 29°C | 18°C | 112 mm | 8 | – | – | 7.8 |
| March | 27°C | 17°C | 121 mm | 7 | – | – | 7.9 |
| April | 23°C | 13°C | 104 mm | 8 | – | – | 7.9 |
| May | 19°C | 10°C | 67 mm | 6 | – | – | 7.9 |
| June | 16°C | 7°C | 42 mm | 5 | – | – | 7.6 |
| July | 16°C | 6°C | 39 mm | 5 | – | – | 7.4 |
| August | 19°C | 8°C | 54 mm | 5 | – | – | 7.9 |
| September | 21°C | 10°C | 64 mm | 6 | – | – | 8.1 |
| October | 23°C | 13°C | 113 mm | 10 | – | – | 7.6 |
| November | 27°C | 15°C | 113 mm | 8 | – | – | 7.9 |
| December | 29°C | 18°C | 107 mm | 9 | – | – | 7.7 |
Frequently asked questions
How hot is Arroyo Seco in December?
Daytime highs average 29°C and nights about 18°C.
When is the best time to visit Arroyo Seco?
The best months are September, March, April, May.