Climate Insights for São Gonçalo

Região Metropolitana do Rio de Janeiro, Rio de Janeiro, Brazil

Hottest
February
31°C peak89°F peak
Coldest
July
17°C low62°F low
Wettest
January
223 mm rain8.8 in rain
Best to Visit
April, May, June
Mild temps & low rain

Climate Overview

The climate in São Gonçalo is warm and mild. The average annual temperature is 24°C and approximately 1,441 mm of precipitation falls per year. São Gonçalo receives a notable amount of rainfall throughout the year, including during its driest month. São Gonçalo 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: February, January, March. The coldest months are July, August, June, when temperatures can drop to 17°C.The climate in São Gonçalo is warm and mild. The average annual temperature is 75°F and approximately 56.7 in of precipitation falls per year. São Gonçalo receives a notable amount of rainfall throughout the year, including during its driest month. São Gonçalo 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: February, January, March. The coldest months are July, August, June, when temperatures can drop to 62°F.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 31°Average: 27°Min: 24°FebMax: 31°Average: 27°Min: 23°MarMax: 31°Average: 26°Min: 23°AprMax: 29°Average: 24°Min: 21°MayMax: 27°Average: 22°Min: 19°JunMax: 26°Average: 21°Min: 18°JulMax: 26°Average: 21°Min: 17°AugMax: 26°Average: 21°Min: 17°SepMax: 28°Average: 23°Min: 19°OctMax: 28°Average: 24°Min: 21°NovMax: 28°Average: 24°Min: 21°DecMax: 30°Average: 26°Min: 23°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 89°FAverage: 81°FMin: 74°FFebMax: 89°FAverage: 81°FMin: 74°FMarMax: 88°FAverage: 80°FMin: 73°FAprMax: 84°FAverage: 76°FMin: 70°FMayMax: 81°FAverage: 72°FMin: 66°FJunMax: 79°FAverage: 70°FMin: 64°FJulMax: 78°FAverage: 69°FMin: 62°FAugMax: 79°FAverage: 70°FMin: 63°FSepMax: 82°FAverage: 73°FMin: 67°FOctMax: 82°FAverage: 75°FMin: 69°FNovMax: 83°FAverage: 75°FMin: 70°FDecMax: 86°FAverage: 79°FMin: 73°F
Max
Average
Min

São Gonçalo sees moderate temperature variation throughout the year, ranging from 17°C to 31°C. The warmest month is February, when average highs reach 31°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 17°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.São Gonçalo sees moderate temperature variation throughout the year, ranging from 62°F to 89°F. The warmest month is February, when average highs reach 89°F and the mean temperature sits around 81°F. July is the coolest month, with minimum temperatures around 62°F and an average of 69°F. Daily temperature variation is modest, with an average difference of 14°F between highs and lows. The sharpest temperature change occurs between April and May, with a 4°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mm250mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 223mmFebPrecipitation: 198mmMarPrecipitation: 156mmAprPrecipitation: 98mmMayPrecipitation: 56mmJunPrecipitation: 41mmJulPrecipitation: 35mmAugPrecipitation: 64mmSepPrecipitation: 60mmOctPrecipitation: 128mmNovPrecipitation: 176mmDecPrecipitation: 205mm
Precipitation
0in2in4in6in8inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 8.8inFebPrecipitation: 7.8inMarPrecipitation: 6.1inAprPrecipitation: 3.9inMayPrecipitation: 2.2inJunPrecipitation: 1.6inJulPrecipitation: 1.4inAugPrecipitation: 2.5inSepPrecipitation: 2.4inOctPrecipitation: 5inNovPrecipitation: 6.9inDecPrecipitation: 8.1in
Precipitation

São Gonçalo is a fairly wet location, receiving approximately 1,441 mm of precipitation annually, which averages out to around 120 mm per month. The wettest month is January, averaging 223 mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 35 mm. That's 187 mm 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.São Gonçalo is a fairly wet location, receiving approximately 56.7 in of precipitation annually, which averages out to around 4.7 in per month. The wettest month is January, averaging 8.8 in of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 1.4 in. That's 7.4 in 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/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 5km/hFebWind Speed: 5km/hMarWind Speed: 5km/hAprWind Speed: 5km/hMayWind Speed: 5km/hJunWind Speed: 5km/hJulWind Speed: 6km/hAugWind Speed: 6km/hSepWind Speed: 7km/hOctWind Speed: 7km/hNovWind Speed: 7km/hDecWind Speed: 6km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 3mphFebWind Speed: 3mphMarWind Speed: 3mphAprWind Speed: 3mphMayWind Speed: 3mphJunWind Speed: 3mphJulWind Speed: 4mphAugWind Speed: 4mphSepWind Speed: 4mphOctWind Speed: 4mphNovWind Speed: 4mphDecWind Speed: 4mph
Wind Speed

São Gonçalo is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.São Gonçalo is relatively calm, with an average annual wind speed of 4mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Best Time to Visit

Jan27°81°F
Feb27°81°F
Mar26°80°F
Apr24°76°F
May22°72°F
Jun21°70°F
Jul21°69°F
Aug21°70°F
Sep23°73°F
Oct24°75°F
Nov24°75°F
Dec26°79°F

The best time to visit São Gonçalo is during April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 59 mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 31°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit São Gonçalo is during April, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 72°F with modest rainfall averaging 2.3 in per month. By contrast, February can be uncomfortably hot with temperatures reaching 89°F. 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 São Gonçalo 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.The table below shows monthly climate averages for São Gonçalo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). 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
24 °C74 °F
31 °C89 °F
5 km/h3 mph
223 mm8.8 in
0 cm0 in
Feb
23 °C74 °F
31 °C89 °F
5 km/h3 mph
198 mm7.8 in
0 cm0 in
Mar
23 °C73 °F
31 °C88 °F
5 km/h3 mph
156 mm6.1 in
0 cm0 in
Apr
21 °C70 °F
29 °C84 °F
5 km/h3 mph
98 mm3.9 in
0 cm0 in
May
19 °C66 °F
27 °C81 °F
5 km/h3 mph
56 mm2.2 in
0 cm0 in
Jun
18 °C64 °F
26 °C79 °F
5 km/h3 mph
41 mm1.6 in
0 cm0 in
Jul
17 °C62 °F
26 °C78 °F
6 km/h4 mph
35 mm1.4 in
0 cm0 in
Aug
17 °C63 °F
26 °C79 °F
6 km/h4 mph
64 mm2.5 in
0 cm0 in
Sep
19 °C67 °F
28 °C82 °F
7 km/h4 mph
60 mm2.4 in
0 cm0 in
OctCurrent
21 °C69 °F
28 °C82 °F
7 km/h4 mph
128 mm5 in
0 cm0 in
Nov
21 °C70 °F
28 °C83 °F
7 km/h4 mph
176 mm6.9 in
0 cm0 in
Dec
23 °C73 °F
30 °C86 °F
6 km/h4 mph
205 mm8.1 in
0 cm0 in