Weather in Osasco now
Weather in Osasco now: 22°C, Light drizzle, Humidity 66%, Wind 5 km/h.
Osasco sits at 23.5° south latitude, in the subtropics, 748 m above sea level, in the America/Sao_Paulo time zone. Over the week ahead highs range from 22° to 27° and lows from 13° to 17°, averaging 19°.
Forecast rainfall totals 17 mm, and 3 of the seven days carry a chance above 50%. Today the sun rises at 05:32 and sets at 18:12: 12:40 of daylight.
| Conditions | high | low | rain | Wind | UV index | |
|---|---|---|---|---|---|---|
| Today | Thunderstorm | 22° | 15° | 100% | 12 km/h | 6 |
| Tomorrow | Light drizzle | 23° | 15° | 16% | 14 km/h | 9 |
| Mon, Oct 19 | Light drizzle | 23° | 14° | 8% | 17 km/h | 8 |
| Tue, Oct 20 | Overcast | 23° | 13° | 0% | 17 km/h | 9 |
| Wed, Oct 21 | Light drizzle | 23° | 14° | 17% | 14 km/h | 8 |
| Thu, Oct 22 | Light drizzle | 24° | 16° | 61% | 11 km/h | 2 |
| Fri, Oct 23 | Light drizzle | 27° | 17° | 79% | 14 km/h | 6 |
Weather data by Open-Meteo (ECMWF, GFS, ICON models and national weather services). Updated every 15 minutes.
Weather in Osasco month by month
The table gathers the 2016-2025 climate normals for Osasco: average highs and lows, total rainfall and number of rainy days for each month of the year.
Osasco has an annual mean temperature of 20.3°. The warmest month is January, when highs sit around 27.3°; the coldest is July, with average lows of 11.2°. The 16.1° gap between those two ends of the calendar is the measure of how much the year swings here.
Rainfall totals about 1,184 mm a year, spread over roughly 145 rainy days. The wettest month is January, averaging 231.6 mm across 23 days; the driest is July, with 23.7 mm.
| Month | Average high | Average low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 27.3° | 18.7° | 231.6 mm | 23 |
| February | 27.1° | 18.4° | 157.4 mm | 18 |
| March | 27° | 18.2° | 132.6 mm | 18 |
| April | 25.2° | 16.2° | 65.2 mm | 9 |
| May | 23.3° | 13.8° | 41.1 mm | 7 |
| June | 21.9° | 12.3° | 45.9 mm | 6 |
| July | 22.3° | 11.2° | 23.7 mm | 3 |
| August | 23.1° | 12.3° | 45.7 mm | 6 |
| September | 26.3° | 14.5° | 48.4 mm | 6 |
| October | 25.6° | 15.9° | 121 mm | 15 |
| November | 25.6° | 15.9° | 122.5 mm | 15 |
| December | 27.3° | 17.9° | 148.6 mm | 19 |
When to visit Osasco
For travellers who plan around the weather, April–September tend to be the most comfortable stretch: average highs between 21.9° and 26.3° and rainfall below the yearly average.
What to expect each month
- In January, highs sit near 27.3° and lows near 18.7°, with about 231.6 mm of rain over 23 days.
- In February, highs sit near 27.1° and lows near 18.4°, with about 157.4 mm of rain over 18 days.
- In March, highs sit near 27° and lows near 18.2°, with about 132.6 mm of rain over 18 days.
- In April, highs sit near 25.2° and lows near 16.2°, with about 65.2 mm of rain over 9 days.
- In May, highs sit near 23.3° and lows near 13.8°, with about 41.1 mm of rain over 7 days.
- In June, highs sit near 21.9° and lows near 12.3°, with about 45.9 mm of rain over 6 days.
- In July, highs sit near 22.3° and lows near 11.2°, with about 23.7 mm of rain over 3 days.
- In August, highs sit near 23.1° and lows near 12.3°, with about 45.7 mm of rain over 6 days.
- In September, highs sit near 26.3° and lows near 14.5°, with about 48.4 mm of rain over 6 days.
- In October, highs sit near 25.6° and lows near 15.9°, with about 121 mm of rain over 15 days.
- In November, highs sit near 25.6° and lows near 15.9°, with about 122.5 mm of rain over 15 days.
- In December, highs sit near 27.3° and lows near 17.9°, with about 148.6 mm of rain over 19 days.
Recorded extremes
Across 2016-2025, the thermometer reached 36.7° at the top of the series and fell to 1.4° at the bottom. These are observed values, not averages: they show what the city has actually faced.
Normals computed from the ERA5 reanalysis (Copernicus/ECMWF), 2016-2025 series.
FAQ
What is the temperature in Osasco right now?
It is 22°C in Osasco right now, with light drizzle. It feels like 25°C.
Will it rain in Osasco today?
The peak chance of rain today is 100%, with about 4.3 mm expected.
What will the weather be tomorrow in Osasco?
Tomorrow the high is 23° and the low 15°, with light drizzle.
Where does the data come from and how often is it updated?
Data comes from the ECMWF, GFS and ICON models and national weather services via Open-Meteo, updated every 15 minutes.
What is the warmest month in Osasco?
The warmest month is January, with average highs of 27.3° and lows of 18.7°.
Does it rain a lot in Osasco?
The city gets about 1,184 mm a year over 145 rainy days. The wettest month is January, with 231.6 mm.
When is the best time to visit Osasco?
On weather grounds, April–September combine the most agreeable temperatures with below-average rainfall.