Climate Insights for Porto Velho

Região Metropolitana de Porto Velho, Rondônia, Brazil

Hottest
August
35°C peak94°F peak
Coldest
July
21°C low70°F low
Wettest
March
338 mm rain13.3 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Porto Velho is hot. The average annual temperature is 27°C and approximately 2,110 mm of precipitation falls per year. March is the wettest month, receiving around 338 mm of rainfall. Porto Velho sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Porto Velho is hot. The average annual temperature is 80°F and approximately 83.1 in of precipitation falls per year. March is the wettest month, receiving around 13.3 in of rainfall. Porto Velho sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 30°Average: 26°Min: 24°FebMax: 30°Average: 26°Min: 24°MarMax: 30°Average: 26°Min: 24°AprMax: 30°Average: 26°Min: 24°MayMax: 31°Average: 26°Min: 23°JunMax: 31°Average: 26°Min: 22°JulMax: 34°Average: 27°Min: 21°AugMax: 35°Average: 28°Min: 22°SepMax: 35°Average: 28°Min: 24°OctMax: 33°Average: 27°Min: 24°NovMax: 31°Average: 27°Min: 24°DecMax: 30°Average: 26°Min: 24°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 86°FAverage: 79°FMin: 75°FFebMax: 86°FAverage: 79°FMin: 75°FMarMax: 86°FAverage: 79°FMin: 75°FAprMax: 87°FAverage: 79°FMin: 75°FMayMax: 87°FAverage: 79°FMin: 74°FJunMax: 89°FAverage: 79°FMin: 72°FJulMax: 93°FAverage: 80°FMin: 70°FAugMax: 94°FAverage: 82°FMin: 72°FSepMax: 94°FAverage: 83°FMin: 75°FOctMax: 92°FAverage: 81°FMin: 75°FNovMax: 89°FAverage: 80°FMin: 75°FDecMax: 86°FAverage: 79°FMin: 75°F
Max
Average
Min

Porto Velho sees moderate temperature variation throughout the year, ranging from 21°C to 35°C. The warmest month is August, when average highs reach 35°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 21°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.Porto Velho sees moderate temperature variation throughout the year, ranging from 70°F to 94°F. The warmest month is August, when average highs reach 94°F and the mean temperature sits around 82°F. July is the coolest month, with minimum temperatures around 70°F and an average of 80°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs.

Precipitation

0mm50mm100mm150mm200mm250mm300mm350mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 298mmFebPrecipitation: 332mmMarPrecipitation: 338mmAprPrecipitation: 239mmMayPrecipitation: 99mmJunPrecipitation: 30mmJulPrecipitation: 2mmAugPrecipitation: 28mmSepPrecipitation: 67mmOctPrecipitation: 144mmNovPrecipitation: 208mmDecPrecipitation: 325mm
Precipitation
0in2in4in6in8in10in12in14inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 11.7inFebPrecipitation: 13.1inMarPrecipitation: 13.3inAprPrecipitation: 9.4inMayPrecipitation: 3.9inJunPrecipitation: 1.2inJulPrecipitation: 0.1inAugPrecipitation: 1.1inSepPrecipitation: 2.7inOctPrecipitation: 5.7inNovPrecipitation: 8.2inDecPrecipitation: 12.8in
Precipitation

Porto Velho is a very wet location, receiving approximately 2,110 mm of precipitation annually, which averages out to around 176 mm per month. The wettest month is March, averaging 338 mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 2 mm. That's 337 mm less than March, 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.Porto Velho is a very wet location, receiving approximately 83.1 in of precipitation annually, which averages out to around 6.9 in per month. The wettest month is March, averaging 13.3 in of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 0.1 in. That's 13.3 in less than March, 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: 4km/hMayWind Speed: 5km/hJunWind Speed: 5km/hJulWind Speed: 6km/hAugWind Speed: 6km/hSepWind Speed: 5km/hOctWind Speed: 5km/hNovWind Speed: 5km/hDecWind Speed: 5km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 3mphFebWind Speed: 3mphMarWind Speed: 3mphAprWind Speed: 3mphMayWind Speed: 3mphJunWind Speed: 3mphJulWind Speed: 4mphAugWind Speed: 4mphSepWind Speed: 3mphOctWind Speed: 3mphNovWind Speed: 3mphDecWind Speed: 3mph
Wind Speed

Porto Velho is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, 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 2km/h between the calmest and windiest months.Porto Velho is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in April, 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.

Monthly Climate Data

The table below shows monthly climate averages for Porto Velho 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 Porto Velho 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 °C75 °F
30 °C86 °F
5 km/h3 mph
298 mm11.7 in
0 cm0 in
Feb
24 °C75 °F
30 °C86 °F
5 km/h3 mph
332 mm13.1 in
0 cm0 in
Mar
24 °C75 °F
30 °C86 °F
5 km/h3 mph
338 mm13.3 in
0 cm0 in
Apr
24 °C75 °F
30 °C87 °F
4 km/h3 mph
239 mm9.4 in
0 cm0 in
May
23 °C74 °F
31 °C87 °F
5 km/h3 mph
99 mm3.9 in
0 cm0 in
Jun
22 °C72 °F
31 °C89 °F
5 km/h3 mph
30 mm1.2 in
0 cm0 in
Jul
21 °C70 °F
34 °C93 °F
6 km/h4 mph
2 mm0.1 in
0 cm0 in
Aug
22 °C72 °F
35 °C94 °F
6 km/h4 mph
28 mm1.1 in
0 cm0 in
Sep
24 °C75 °F
35 °C94 °F
5 km/h3 mph
67 mm2.7 in
0 cm0 in
OctCurrent
24 °C75 °F
33 °C92 °F
5 km/h3 mph
144 mm5.7 in
0 cm0 in
Nov
24 °C75 °F
31 °C89 °F
5 km/h3 mph
208 mm8.2 in
0 cm0 in
Dec
24 °C75 °F
30 °C86 °F
5 km/h3 mph
325 mm12.8 in
0 cm0 in