Isla in December
7.8out of 10
Yes, a good time to go
Warm and comfortable: highs around 27°C. Frequent rain: about 9 rainy days.
27°CAvg high
19°CAvg low
9Rainy days (48 mm)
10:55 hDaylight
06:51Sunrise · 17:46 Sunset
Why this score
- Warm and comfortable: highs around 27°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
How reliable is the forecast?
Rain in December varies a lot between years (±3.3 rainy days), so check the forecast closer to your trip. 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 | 27°C | 18°C | 51 mm | 9 | – | – | 7.9 |
| February | 29°C | 19°C | 30 mm | 6 | – | – | 8.3 |
| March | 32°C | 21°C | 23 mm | 5 | – | – | 7.6 |
| April | 35°C | 23°C | 31 mm | 5 | – | – | 6.8 |
| May | 35°C | 25°C | 77 mm | 11 | – | – | 5.9 |
| June | 33°C | 24°C | 242 mm | 23 | – | – | 4.9 |
| July | 32°C | 24°C | 294 mm | 27 | – | – | 5.2 |
| August | 32°C | 24°C | 296 mm | 26 | – | – | 5.2 |
| September | 32°C | 24°C | 315 mm | 25 | – | – | 5.4 |
| October | 30°C | 23°C | 210 mm | 19 | – | – | 5.7 |
| November | 28°C | 21°C | 94 mm | 13 | – | – | 7.3 |
| December | 27°C | 19°C | 48 mm | 9 | – | – | 7.8 |
Frequently asked questions
How hot is Isla in December?
Daytime highs average 27°C and nights about 19°C.
When is the best time to visit Isla?
The best months are February, January, December.