Climate Insights for Várzea Grande

Região Geográfica Intermediária de São Raimundo Nonato, Piauí, Brazil

Hottest
October
36°C peak97°F peak
Coldest
July
21°C low70°F low
Wettest
January
107 mm rain4.2 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Várzea Grande is hot. The average annual temperature is 28°C and approximately 496 mm of precipitation falls per year. January is the wettest month, receiving around 107 mm of rainfall. Várzea Grande sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Várzea Grande is hot. The average annual temperature is 82°F and approximately 19.5 in of precipitation falls per year. January is the wettest month, receiving around 4.2 in of rainfall. Várzea Grande sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 32°Average: 27°Min: 24°FebMax: 31°Average: 27°Min: 23°MarMax: 32°Average: 27°Min: 23°AprMax: 32°Average: 27°Min: 23°MayMax: 33°Average: 27°Min: 23°JunMax: 33°Average: 27°Min: 22°JulMax: 33°Average: 27°Min: 21°AugMax: 34°Average: 28°Min: 21°SepMax: 35°Average: 29°Min: 23°OctMax: 36°Average: 30°Min: 25°NovMax: 35°Average: 29°Min: 25°DecMax: 33°Average: 28°Min: 24°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 89°FAverage: 81°FMin: 74°FFebMax: 89°FAverage: 80°FMin: 74°FMarMax: 89°FAverage: 80°FMin: 74°FAprMax: 90°FAverage: 81°FMin: 74°FMayMax: 91°FAverage: 81°FMin: 73°FJunMax: 91°FAverage: 80°FMin: 71°FJulMax: 91°FAverage: 80°FMin: 70°FAugMax: 93°FAverage: 82°FMin: 70°FSepMax: 96°FAverage: 84°FMin: 73°FOctMax: 97°FAverage: 86°FMin: 76°FNovMax: 94°FAverage: 85°FMin: 77°FDecMax: 92°FAverage: 83°FMin: 76°F
Max
Average
Min

Várzea Grande sees moderate temperature variation throughout the year, ranging from 21°C to 36°C. October is the hottest month, with daytime highs reaching 36°C and an average of 30°C. July is the coolest month, with minimum temperatures around 21°C and an average of 27°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.Várzea Grande sees moderate temperature variation throughout the year, ranging from 70°F to 97°F. October is the hottest month, with daytime highs reaching 97°F and an average of 86°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 18°F between overnight lows and afternoon highs.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 107mmFebPrecipitation: 98mmMarPrecipitation: 95mmAprPrecipitation: 71mmMayPrecipitation: 12mmJunPrecipitation: 2mmJulPrecipitation: 1mmAugPrecipitation: 0mmSepPrecipitation: 1mmOctPrecipitation: 19mmNovPrecipitation: 44mmDecPrecipitation: 45mm
Precipitation
0in2in4inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 4.2inFebPrecipitation: 3.9inMarPrecipitation: 3.8inAprPrecipitation: 2.8inMayPrecipitation: 0.5inJunPrecipitation: 0.1inJulPrecipitation: 0inAugPrecipitation: 0inSepPrecipitation: 0inOctPrecipitation: 0.8inNovPrecipitation: 1.7inDecPrecipitation: 1.8in
Precipitation

Várzea Grande is a relatively dry area, receiving approximately 496 mm of precipitation annually, which averages out to around 41 mm per month. The wettest month is January, averaging 107 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 0 mm. That's 107 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.Várzea Grande is a relatively dry area, receiving approximately 19.5 in of precipitation annually, which averages out to around 1.6 in per month. The wettest month is January, averaging 4.2 in of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 0 in. That's 4.2 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/h15km/h20km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 9km/hFebWind Speed: 9km/hMarWind Speed: 9km/hAprWind Speed: 11km/hMayWind Speed: 15km/hJunWind Speed: 18km/hJulWind Speed: 19km/hAugWind Speed: 19km/hSepWind Speed: 19km/hOctWind Speed: 16km/hNovWind Speed: 12km/hDecWind Speed: 11km/h
Wind Speed
0mph5mph10mph15mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 5mphFebWind Speed: 6mphMarWind Speed: 5mphAprWind Speed: 7mphMayWind Speed: 9mphJunWind Speed: 11mphJulWind Speed: 12mphAugWind Speed: 12mphSepWind Speed: 12mphOctWind Speed: 10mphNovWind Speed: 8mphDecWind Speed: 7mph
Wind Speed

Várzea Grande is mildly breezy, with an average annual wind speed of 14km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 16km/h in spring, 9km/h in summer, 12km/h in autumn.Várzea Grande is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 12mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in January, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7mph difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 12mph in winter, 10mph in spring, 6mph in summer, 7mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Várzea Grande 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 Várzea Grande 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
32 °C89 °F
9 km/h5 mph
107 mm4.2 in
0 cm0 in
Feb
23 °C74 °F
31 °C89 °F
9 km/h6 mph
98 mm3.9 in
0 cm0 in
Mar
23 °C74 °F
32 °C89 °F
9 km/h5 mph
95 mm3.8 in
0 cm0 in
Apr
23 °C74 °F
32 °C90 °F
11 km/h7 mph
71 mm2.8 in
0 cm0 in
May
23 °C73 °F
33 °C91 °F
15 km/h9 mph
12 mm0.5 in
0 cm0 in
Jun
22 °C71 °F
33 °C91 °F
18 km/h11 mph
2 mm0.1 in
0 cm0 in
Jul
21 °C70 °F
33 °C91 °F
19 km/h12 mph
1 mm0 in
0 cm0 in
Aug
21 °C70 °F
34 °C93 °F
19 km/h12 mph
0 mm0 in
0 cm0 in
Sep
23 °C73 °F
35 °C96 °F
19 km/h12 mph
1 mm0 in
0 cm0 in
OctCurrent
25 °C76 °F
36 °C97 °F
16 km/h10 mph
19 mm0.8 in
0 cm0 in
Nov
25 °C77 °F
35 °C94 °F
12 km/h8 mph
44 mm1.7 in
0 cm0 in
Dec
24 °C76 °F
33 °C92 °F
11 km/h7 mph
45 mm1.8 in
0 cm0 in