Jacareí in October
7.1out of 10
Possible, with caveats
Warm and comfortable: highs around 26°C. Frequent rain: about 14 rainy days.
26°CAvg high
17°CAvg low
14Rainy days (109 mm)
12:33 hDaylight
05:32Sunrise · 18:06 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Frequent rain: about 14 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 October varies a lot between years (±3.6 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 | 28°C | 19°C | 226 mm | 22 | – | – | 6.1 |
| February | 29°C | 19°C | 173 mm | 19 | – | – | 6.2 |
| March | 28°C | 19°C | 139 mm | 18 | – | – | 6.4 |
| April | 26°C | 17°C | 57 mm | 10 | – | – | 7.8 |
| May | 24°C | 14°C | 57 mm | 8 | – | – | 8.1 |
| June | 23°C | 13°C | 38 mm | 5 | – | – | 8.4 |
| July | 23°C | 12°C | 44 mm | 5 | – | – | 8.4 |
| August | 24°C | 13°C | 35 mm | 5 | – | – | 8.4 |
| September | 25°C | 15°C | 76 mm | 10 | – | – | 7.8 |
| October | 26°C | 17°C | 109 mm | 14 | – | – | 7.1 |
| November | 26°C | 18°C | 142 mm | 17 | – | – | 6.6 |
| December | 28°C | 19°C | 172 mm | 20 | – | – | 6.1 |
Frequently asked questions
How hot is Jacareí in October?
Daytime highs average 26°C and nights about 17°C.
When is the best time to visit Jacareí?
The best months are June, July, August, May.