Climate Insights for Franco da Rocha

Franco da Rocha, São Paulo, Brazil

Hottest
January
28°C peak
Coldest
July
11°C low
Wettest
January
221mm rain
Best to Visit
April, May, June
Mild temps & low rain

Climate Overview

The climate in Franco da Rocha is warm and mild. The average annual temperature is 21°C and approximately 1287mm of precipitation falls per year. January is the wettest month, receiving around 221mm of rainfall. Franco da Rocha is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, March. The coldest months are July, August, June, when temperatures can drop to 11°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 24° Min: 19° Feb Max: 28° Average: 23° Min: 19° Mar Max: 28° Average: 23° Min: 19° Apr Max: 26° Average: 21° Min: 17° May Max: 24° Average: 19° Min: 14° Jun Max: 23° Average: 18° Min: 13° Jul Max: 23° Average: 17° Min: 11° Aug Max: 24° Average: 18° Min: 12° Sep Max: 27° Average: 21° Min: 15° Oct Max: 26° Average: 21° Min: 17° Nov Max: 26° Average: 21° Min: 17° Dec Max: 27° Average: 23° Min: 18°
Max
Average
Min

Franco da Rocha sees moderate temperature variation throughout the year, ranging from 11°C to 28°C. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 11°C and an average of 17°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 221mm Feb Precipitation: 176mm Mar Precipitation: 151mm Apr Precipitation: 64mm May Precipitation: 48mm Jun Precipitation: 47mm Jul Precipitation: 23mm Aug Precipitation: 50mm Sep Precipitation: 61mm Oct Precipitation: 130mm Nov Precipitation: 145mm Dec Precipitation: 171mm
Precipitation

Franco da Rocha is a fairly wet location, receiving approximately 1287mm of precipitation annually, which averages out to around 107mm per month. The wettest month is January, averaging 221mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 23mm. That's 198mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 4km/h Sep Wind Speed: 4km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Franco da Rocha is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

13 days until Winter

It is currently autumn in Franco da Rocha, which began on March 20, 2026. Franco da Rocha is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 28°C, while the coldest stretch bottoms out in July near 11°C. Winter is next, beginning on June 21, 2026 — 13 days from now.

Spring

Temperatures range from 15 to 27°C. Rainfall is heavy, totalling around 335mm across the season with a monthly average of 112mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 18 to 28°C. Rainfall is heavy, totalling around 568mm across the season with a monthly average of 189mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 14 to 28°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 11 to 24°C. Rainfall is relatively light, with around 120mm over the season and a monthly average of 40mm. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 24°
Feb 23°
Mar 23°
Apr 21°
May 19°
Jun 18°
Jul 17°
Aug 18°
Sep 21°
Oct 21°
Nov 21°
Dec 23°

The best time to visit Franco da Rocha is during April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 49mm per month. By contrast, January can be uncomfortably hot with temperatures reaching 28°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Franco da Rocha based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
19 °C
28 °C
3 km/h
221 mm
0 cm
Feb
19 °C
28 °C
3 km/h
176 mm
0 cm
Mar
19 °C
28 °C
3 km/h
151 mm
0 cm
Apr
17 °C
26 °C
3 km/h
64 mm
0 cm
May
14 °C
24 °C
3 km/h
48 mm
0 cm
Jun Current
13 °C
23 °C
3 km/h
47 mm
0 cm
Jul
11 °C
23 °C
3 km/h
23 mm
0 cm
Aug
12 °C
24 °C
4 km/h
50 mm
0 cm
Sep
15 °C
27 °C
4 km/h
61 mm
0 cm
Oct
17 °C
26 °C
4 km/h
130 mm
0 cm
Nov
17 °C
26 °C
4 km/h
145 mm
0 cm
Dec
18 °C
27 °C
4 km/h
171 mm
0 cm
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