Weather in Serra now
Weather in Serra now: 27°C, Thunderstorm with hail, Humidity 86%, Wind 17 km/h.
Serra sits at 20.1° south latitude, in the tropics, 62 m above sea level, in the America/Sao_Paulo time zone. Over the week ahead highs range from 25° to 34° and lows from 20° to 22°, averaging 24°.
Forecast rainfall totals 54 mm, and 7 of the seven days carry a chance above 50%. Today the sun rises at 05:09 and sets at 17:44: 12:35 of daylight.
| Conditions | high | low | rain | Wind | UV index | |
|---|---|---|---|---|---|---|
| Today | Thunderstorm with hail | 34° | 22° | 100% | 17 km/h | 9 |
| Tomorrow | Thunderstorm | 29° | 22° | 99% | 11 km/h | 9 |
| Mon, Oct 19 | Heavy drizzle | 26° | 21° | 86% | 19 km/h | 7 |
| Tue, Oct 20 | Light drizzle | 25° | 21° | 84% | 13 km/h | 7 |
| Wed, Oct 21 | Light drizzle | 26° | 20° | 80% | 12 km/h | 2 |
| Thu, Oct 22 | Heavy drizzle | 25° | 20° | 78% | 14 km/h | 2 |
| Fri, Oct 23 | Light drizzle | 25° | 21° | 67% | 14 km/h | 2 |
Weather data by Open-Meteo (ECMWF, GFS, ICON models and national weather services). Updated every 15 minutes.
Weather in Serra month by month
The table gathers the 2016-2025 climate normals for Serra: average highs and lows, total rainfall and number of rainy days for each month of the year.
Serra has an annual mean temperature of 24.5°. The warmest month is February, when highs sit around 31.1°; the coldest is July, with average lows of 16.9°. The 14.2° gap between those two ends of the calendar is the measure of how much the year swings here.
Rainfall totals about 1,152 mm a year, spread over roughly 157 rainy days. The wettest month is November, averaging 195.5 mm across 17 days; the driest is June, with 33.9 mm.
| Month | Average high | Average low | Rainfall | Rainy days |
|---|---|---|---|---|
| January | 30.7° | 22.9° | 137.9 mm | 15 |
| February | 31.1° | 22.9° | 122.3 mm | 14 |
| March | 30.8° | 22.5° | 91.9 mm | 15 |
| April | 29.2° | 21.3° | 81.3 mm | 15 |
| May | 27.6° | 19.2° | 65.4 mm | 12 |
| June | 26.9° | 17.9° | 33.9 mm | 8 |
| July | 26.3° | 16.9° | 34 mm | 9 |
| August | 26.4° | 17.8° | 50.6 mm | 9 |
| September | 27.8° | 19.4° | 57.7 mm | 10 |
| October | 28.4° | 20.9° | 117.7 mm | 15 |
| November | 28.5° | 21° | 195.5 mm | 17 |
| December | 30° | 22.2° | 164.1 mm | 18 |
When to visit Serra
For travellers who plan around the weather, May–September tend to be the most comfortable stretch: average highs between 26.3° and 27.8° and rainfall below the yearly average.
What to expect each month
- In January, highs sit near 30.7° and lows near 22.9°, with about 137.9 mm of rain over 15 days.
- In February, highs sit near 31.1° and lows near 22.9°, with about 122.3 mm of rain over 14 days.
- In March, highs sit near 30.8° and lows near 22.5°, with about 91.9 mm of rain over 15 days.
- In April, highs sit near 29.2° and lows near 21.3°, with about 81.3 mm of rain over 15 days.
- In May, highs sit near 27.6° and lows near 19.2°, with about 65.4 mm of rain over 12 days.
- In June, highs sit near 26.9° and lows near 17.9°, with about 33.9 mm of rain over 8 days.
- In July, highs sit near 26.3° and lows near 16.9°, with about 34 mm of rain over 9 days.
- In August, highs sit near 26.4° and lows near 17.8°, with about 50.6 mm of rain over 9 days.
- In September, highs sit near 27.8° and lows near 19.4°, with about 57.7 mm of rain over 10 days.
- In October, highs sit near 28.4° and lows near 20.9°, with about 117.7 mm of rain over 15 days.
- In November, highs sit near 28.5° and lows near 21°, with about 195.5 mm of rain over 17 days.
- In December, highs sit near 30° and lows near 22.2°, with about 164.1 mm of rain over 18 days.
Recorded extremes
Across 2016-2025, the thermometer reached 39.8° at the top of the series and fell to 11.9° 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 Serra right now?
It is 27°C in Serra right now, with thunderstorm with hail. It feels like 32°C.
Will it rain in Serra today?
The peak chance of rain today is 100%, with about 13.8 mm expected.
What will the weather be tomorrow in Serra?
Tomorrow the high is 29° and the low 22°, with thunderstorm.
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 Serra?
The warmest month is February, with average highs of 31.1° and lows of 22.9°.
Does it rain a lot in Serra?
The city gets about 1,152 mm a year over 157 rainy days. The wettest month is November, with 195.5 mm.
When is the best time to visit Serra?
On weather grounds, May–September combine the most agreeable temperatures with below-average rainfall.