Climate Insights for Buenos Aires

Marañón, Huánuco, Peru

Hottest
September
24°C peak75°F peak
Coldest
July
12°C low53°F low
Wettest
January
349 mm rain13.7 in rain
Best to Visit
May, June, July
Mild temps & low rain

Climate Overview

The climate in Buenos Aires is warm and mild. The average annual temperature is 18°C and approximately 2,128 mm of precipitation falls per year. Buenos Aires receives a notable amount of rainfall throughout the year, including during its driest month. Buenos Aires sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Buenos Aires is warm and mild. The average annual temperature is 65°F and approximately 83.8 in of precipitation falls per year. Buenos Aires receives a notable amount of rainfall throughout the year, including during its driest month. Buenos Aires sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 22°Average: 18°Min: 15°FebMax: 22°Average: 18°Min: 15°MarMax: 22°Average: 18°Min: 15°AprMax: 23°Average: 18°Min: 14°MayMax: 23°Average: 18°Min: 14°JunMax: 22°Average: 17°Min: 13°JulMax: 22°Average: 17°Min: 12°AugMax: 23°Average: 17°Min: 12°SepMax: 24°Average: 18°Min: 13°OctMax: 24°Average: 19°Min: 14°NovMax: 23°Average: 19°Min: 15°DecMax: 23°Average: 18°Min: 15°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 72°FAverage: 65°FMin: 59°FFebMax: 72°FAverage: 65°FMin: 59°FMarMax: 72°FAverage: 65°FMin: 59°FAprMax: 73°FAverage: 65°FMin: 57°FMayMax: 73°FAverage: 64°FMin: 57°FJunMax: 72°FAverage: 63°FMin: 55°FJulMax: 72°FAverage: 63°FMin: 53°FAugMax: 73°FAverage: 63°FMin: 53°FSepMax: 75°FAverage: 65°FMin: 55°FOctMax: 75°FAverage: 66°FMin: 58°FNovMax: 73°FAverage: 65°FMin: 58°FDecMax: 73°FAverage: 65°FMin: 59°F
Max
Average
Min

Buenos Aires sees moderate temperature variation throughout the year, ranging from 12°C to 24°C. September is the warmest month, though highs remain moderate at 24°C with a mean of 18°C. July is the coolest month, with minimum temperatures around 12°C and an average of 17°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.Buenos Aires sees moderate temperature variation throughout the year, ranging from 53°F to 75°F. September is the warmest month, though highs remain moderate at 75°F with a mean of 65°F. July is the coolest month, with minimum temperatures around 53°F and an average of 63°F. On average, daily temperatures fluctuate by about 16°F between overnight lows and afternoon highs.

Precipitation

0mm50mm100mm150mm200mm250mm300mm350mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 349mmFebPrecipitation: 315mmMarPrecipitation: 236mmAprPrecipitation: 148mmMayPrecipitation: 97mmJunPrecipitation: 79mmJulPrecipitation: 44mmAugPrecipitation: 55mmSepPrecipitation: 45mmOctPrecipitation: 178mmNovPrecipitation: 255mmDecPrecipitation: 327mm
Precipitation
0in2in4in6in8in10in12in14inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 13.7inFebPrecipitation: 12.4inMarPrecipitation: 9.3inAprPrecipitation: 5.8inMayPrecipitation: 3.8inJunPrecipitation: 3.1inJulPrecipitation: 1.7inAugPrecipitation: 2.2inSepPrecipitation: 1.8inOctPrecipitation: 7inNovPrecipitation: 10inDecPrecipitation: 12.9in
Precipitation

Buenos Aires is a very wet location, receiving approximately 2,128 mm of precipitation annually, which averages out to around 177 mm per month. The wettest month is January, averaging 349 mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 44 mm. That's 304 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.Buenos Aires is a very wet location, receiving approximately 83.8 in of precipitation annually, which averages out to around 7 in per month. The wettest month is January, averaging 13.7 in of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 1.7 in. That's 12 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/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4km/hFebWind Speed: 4km/hMarWind Speed: 4km/hAprWind Speed: 4km/hMayWind Speed: 4km/hJunWind Speed: 4km/hJulWind Speed: 4km/hAugWind Speed: 5km/hSepWind Speed: 5km/hOctWind Speed: 4km/hNovWind Speed: 4km/hDecWind Speed: 4km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 2mphFebWind Speed: 2mphMarWind Speed: 2mphAprWind Speed: 2mphMayWind Speed: 2mphJunWind Speed: 3mphJulWind Speed: 3mphAugWind Speed: 3mphSepWind Speed: 3mphOctWind Speed: 3mphNovWind Speed: 2mphDecWind Speed: 2mph
Wind Speed

Buenos Aires 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 August, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 4km/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.Buenos Aires is relatively calm, with an average annual wind speed of 2mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is August, averaging 3mph, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 2mph, 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

Jan18°65°F
Feb18°65°F
Mar18°65°F
Apr18°65°F
May18°64°F
Jun17°63°F
Jul17°63°F
Aug17°63°F
Sep18°65°F
Oct19°66°F
Nov19°65°F
Dec18°65°F

The best time to visit Buenos Aires is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 64 mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Buenos Aires is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 64°F with modest rainfall averaging 2.5 in per month. 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 Buenos Aires 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 Buenos Aires 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
15 °C59 °F
22 °C72 °F
4 km/h2 mph
349 mm13.7 in
0 cm0 in
Feb
15 °C59 °F
22 °C72 °F
4 km/h2 mph
315 mm12.4 in
0 cm0 in
Mar
15 °C59 °F
22 °C72 °F
4 km/h2 mph
236 mm9.3 in
0 cm0 in
Apr
14 °C57 °F
23 °C73 °F
4 km/h2 mph
148 mm5.8 in
0 cm0 in
May
14 °C57 °F
23 °C73 °F
4 km/h2 mph
97 mm3.8 in
0 cm0 in
Jun
13 °C55 °F
22 °C72 °F
4 km/h3 mph
79 mm3.1 in
0 cm0 in
Jul
12 °C53 °F
22 °C72 °F
4 km/h3 mph
44 mm1.7 in
0 cm0 in
Aug
12 °C53 °F
23 °C73 °F
5 km/h3 mph
55 mm2.2 in
0 cm0 in
Sep
13 °C55 °F
24 °C75 °F
5 km/h3 mph
45 mm1.8 in
0 cm0 in
OctCurrent
14 °C58 °F
24 °C75 °F
4 km/h3 mph
178 mm7 in
0 cm0 in
Nov
15 °C58 °F
23 °C73 °F
4 km/h2 mph
255 mm10 in
0 cm0 in
Dec
15 °C59 °F
23 °C73 °F
4 km/h2 mph
327 mm12.9 in
0 cm0 in