Climate Insights for Goiânia

Greater Goiânia, Goiás, Brazil

Hottest
September
33°C peak92°F peak
Coldest
July
15°C low59°F low
Wettest
December
196 mm rain7.7 in rain
Best to Visit
April, May, June
Mild temps & low rain

Climate Overview

The climate in Goiânia is warm and mild. The average annual temperature is 24°C and approximately 1,055 mm of precipitation falls per year. December is the wettest month, receiving around 196 mm of rainfall. Goiânia 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: September, October, August. The coldest months are July, June, May, when temperatures can drop to 15°C.The climate in Goiânia is warm and mild. The average annual temperature is 75°F and approximately 41.5 in of precipitation falls per year. December is the wettest month, receiving around 7.7 in of rainfall. Goiânia 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: September, October, August. The coldest months are July, June, May, when temperatures can drop to 59°F.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 29°Average: 24°Min: 20°FebMax: 29°Average: 24°Min: 20°MarMax: 29°Average: 24°Min: 20°AprMax: 29°Average: 24°Min: 19°MayMax: 29°Average: 22°Min: 17°JunMax: 28°Average: 22°Min: 16°JulMax: 29°Average: 21°Min: 15°AugMax: 31°Average: 24°Min: 17°SepMax: 33°Average: 27°Min: 20°OctMax: 32°Average: 26°Min: 21°NovMax: 29°Average: 24°Min: 20°DecMax: 29°Average: 24°Min: 20°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 83°FAverage: 75°FMin: 68°FFebMax: 84°FAverage: 75°FMin: 68°FMarMax: 85°FAverage: 75°FMin: 68°FAprMax: 84°FAverage: 75°FMin: 67°FMayMax: 83°FAverage: 72°FMin: 62°FJunMax: 83°FAverage: 71°FMin: 60°FJulMax: 84°FAverage: 71°FMin: 59°FAugMax: 88°FAverage: 75°FMin: 63°FSepMax: 92°FAverage: 80°FMin: 68°FOctMax: 90°FAverage: 79°FMin: 70°FNovMax: 85°FAverage: 76°FMin: 69°FDecMax: 84°FAverage: 75°FMin: 69°F
Max
Average
Min

Goiânia sees moderate temperature variation throughout the year, ranging from 15°C to 33°C. The warmest month is September, when average highs reach 33°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 15°C and an average of 21°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.Goiânia sees moderate temperature variation throughout the year, ranging from 59°F to 92°F. The warmest month is September, when average highs reach 92°F and the mean temperature sits around 80°F. July is the coolest month, with minimum temperatures around 59°F and an average of 71°F. On average, daily temperatures fluctuate by about 20°F between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 5°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 185mmFebPrecipitation: 178mmMarPrecipitation: 140mmAprPrecipitation: 67mmMayPrecipitation: 7mmJunPrecipitation: 1mmJulPrecipitation: 0mmAugPrecipitation: 1mmSepPrecipitation: 16mmOctPrecipitation: 93mmNovPrecipitation: 172mmDecPrecipitation: 196mm
Precipitation
0in2in4in6in8inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 7.3inFebPrecipitation: 7inMarPrecipitation: 5.5inAprPrecipitation: 2.6inMayPrecipitation: 0.3inJunPrecipitation: 0inJulPrecipitation: 0inAugPrecipitation: 0inSepPrecipitation: 0.6inOctPrecipitation: 3.7inNovPrecipitation: 6.8inDecPrecipitation: 7.7in
Precipitation

Goiânia is a moderately rainy area, receiving approximately 1,055 mm of precipitation annually, which averages out to around 88 mm per month. The wettest month is December, averaging 196 mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 0 mm. That's 196 mm less than December, 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.Goiânia is a moderately rainy area, receiving approximately 41.5 in of precipitation annually, which averages out to around 3.5 in per month. The wettest month is December, averaging 7.7 in of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 0 in. That's 7.7 in less than December, 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: 7km/hFebWind Speed: 6km/hMarWind Speed: 6km/hAprWind Speed: 7km/hMayWind Speed: 8km/hJunWind Speed: 9km/hJulWind Speed: 9km/hAugWind Speed: 10km/hSepWind Speed: 9km/hOctWind Speed: 8km/hNovWind Speed: 7km/hDecWind Speed: 7km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4mphFebWind Speed: 4mphMarWind Speed: 4mphAprWind Speed: 4mphMayWind Speed: 5mphJunWind Speed: 5mphJulWind Speed: 6mphAugWind Speed: 6mphSepWind Speed: 6mphOctWind Speed: 5mphNovWind Speed: 4mphDecWind Speed: 4mph
Wind Speed

Goiânia is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9km/h in winter, 8km/h in spring, 7km/h in summer, 7km/h in autumn.Goiânia is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 6mph in winter, 5mph in spring, 4mph in summer, 4mph in autumn.

Best Time to Visit

Jan24°75°F
Feb24°75°F
Mar24°75°F
Apr24°75°F
May22°72°F
Jun22°71°F
Jul21°71°F
Aug24°75°F
Sep27°80°F
Oct26°79°F
Nov24°76°F
Dec24°75°F

The best time to visit Goiânia is during April, May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 15 mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Goiânia is during April, May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 73°F with modest rainfall averaging 0.6 in per month. By contrast, September can be uncomfortably hot with temperatures reaching 92°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Goiânia 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 Goiânia 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
20 °C68 °F
29 °C83 °F
7 km/h4 mph
185 mm7.3 in
0 cm0 in
Feb
20 °C68 °F
29 °C84 °F
6 km/h4 mph
178 mm7 in
0 cm0 in
Mar
20 °C68 °F
29 °C85 °F
6 km/h4 mph
140 mm5.5 in
0 cm0 in
Apr
19 °C67 °F
29 °C84 °F
7 km/h4 mph
67 mm2.6 in
0 cm0 in
May
17 °C62 °F
29 °C83 °F
8 km/h5 mph
7 mm0.3 in
0 cm0 in
Jun
16 °C60 °F
28 °C83 °F
9 km/h5 mph
1 mm0 in
0 cm0 in
Jul
15 °C59 °F
29 °C84 °F
9 km/h6 mph
0 mm0 in
0 cm0 in
Aug
17 °C63 °F
31 °C88 °F
10 km/h6 mph
1 mm0 in
0 cm0 in
Sep
20 °C68 °F
33 °C92 °F
9 km/h6 mph
16 mm0.6 in
0 cm0 in
OctCurrent
21 °C70 °F
32 °C90 °F
8 km/h5 mph
93 mm3.7 in
0 cm0 in
Nov
20 °C69 °F
29 °C85 °F
7 km/h4 mph
172 mm6.8 in
0 cm0 in
Dec
20 °C69 °F
29 °C84 °F
7 km/h4 mph
196 mm7.7 in
0 cm0 in