Climate Insights for Alto Formoso

Região Geográfica Intermediária de São Raimundo Nonato, Piauí, Brazil

Hottest
October
37°C peak99°F peak
Coldest
July
22°C low71°F low
Wettest
January
128 mm rain5 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Alto Formoso is hot. The average annual temperature is 28°C and approximately 558 mm of precipitation falls per year. January is the wettest month, receiving around 128 mm of rainfall. Alto Formoso sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in Alto Formoso is hot. The average annual temperature is 83°F and approximately 22 in of precipitation falls per year. January is the wettest month, receiving around 5 in of rainfall. Alto Formoso sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 32°Average: 28°Min: 24°FebMax: 32°Average: 27°Min: 23°MarMax: 32°Average: 27°Min: 23°AprMax: 33°Average: 28°Min: 24°MayMax: 33°Average: 28°Min: 24°JunMax: 33°Average: 28°Min: 22°JulMax: 34°Average: 28°Min: 22°AugMax: 35°Average: 29°Min: 22°SepMax: 36°Average: 30°Min: 24°OctMax: 37°Average: 31°Min: 25°NovMax: 35°Average: 30°Min: 25°DecMax: 34°Average: 29°Min: 25°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 90°FAverage: 82°FMin: 75°FFebMax: 89°FAverage: 81°FMin: 74°FMarMax: 89°FAverage: 81°FMin: 74°FAprMax: 91°FAverage: 82°FMin: 75°FMayMax: 92°FAverage: 83°FMin: 74°FJunMax: 92°FAverage: 82°FMin: 72°FJulMax: 92°FAverage: 82°FMin: 71°FAugMax: 95°FAverage: 84°FMin: 72°FSepMax: 98°FAverage: 86°FMin: 75°FOctMax: 99°FAverage: 88°FMin: 78°FNovMax: 95°FAverage: 85°FMin: 78°FDecMax: 93°FAverage: 84°FMin: 76°F
Max
Average
Min

Alto Formoso sees moderate temperature variation throughout the year, ranging from 22°C to 37°C. October is the hottest month, with daytime highs reaching 37°C and an average of 31°C. July is the coolest month, with minimum temperatures around 22°C and an average of 28°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.Alto Formoso sees moderate temperature variation throughout the year, ranging from 71°F to 99°F. October is the hottest month, with daytime highs reaching 99°F and an average of 88°F. July is the coolest month, with minimum temperatures around 71°F and an average of 82°F. On average, daily temperatures fluctuate by about 18°F between overnight lows and afternoon highs.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 128mmFebPrecipitation: 113mmMarPrecipitation: 106mmAprPrecipitation: 67mmMayPrecipitation: 13mmJunPrecipitation: 1mmJulPrecipitation: 0mmAugPrecipitation: 0mmSepPrecipitation: 1mmOctPrecipitation: 25mmNovPrecipitation: 55mmDecPrecipitation: 48mm
Precipitation
0in2in4inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 5inFebPrecipitation: 4.4inMarPrecipitation: 4.2inAprPrecipitation: 2.6inMayPrecipitation: 0.5inJunPrecipitation: 0.1inJulPrecipitation: 0inAugPrecipitation: 0inSepPrecipitation: 0inOctPrecipitation: 1inNovPrecipitation: 2.2inDecPrecipitation: 1.9in
Precipitation

Alto Formoso is a relatively dry area, receiving approximately 558 mm of precipitation annually, which averages out to around 46 mm per month. The wettest month is January, averaging 128 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 0 mm. That's 128 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.Alto Formoso is a relatively dry area, receiving approximately 22 in of precipitation annually, which averages out to around 1.8 in per month. The wettest month is January, averaging 5 in of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 0 in. That's 5 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: 7km/hFebWind Speed: 7km/hMarWind Speed: 7km/hAprWind Speed: 9km/hMayWind Speed: 13km/hJunWind Speed: 15km/hJulWind Speed: 16km/hAugWind Speed: 16km/hSepWind Speed: 16km/hOctWind Speed: 13km/hNovWind Speed: 10km/hDecWind Speed: 9km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4mphFebWind Speed: 5mphMarWind Speed: 5mphAprWind Speed: 6mphMayWind Speed: 8mphJunWind Speed: 9mphJulWind Speed: 10mphAugWind Speed: 10mphSepWind Speed: 10mphOctWind Speed: 8mphNovWind Speed: 6mphDecWind Speed: 6mph
Wind Speed

Alto Formoso is relatively calm, with an average annual wind speed of 12km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 9km/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 16km/h in winter, 13km/h in spring, 8km/h in summer, 10km/h in autumn.Alto Formoso is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 10mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6mph 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 10mph in winter, 8mph in spring, 5mph in summer, 6mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Alto Formoso 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 Alto Formoso 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
32 °C90 °F
7 km/h4 mph
128 mm5 in
0 cm0 in
Feb
23 °C74 °F
32 °C89 °F
7 km/h5 mph
113 mm4.4 in
0 cm0 in
Mar
23 °C74 °F
32 °C89 °F
7 km/h5 mph
106 mm4.2 in
0 cm0 in
Apr
24 °C75 °F
33 °C91 °F
9 km/h6 mph
67 mm2.6 in
0 cm0 in
May
24 °C74 °F
33 °C92 °F
13 km/h8 mph
13 mm0.5 in
0 cm0 in
Jun
22 °C72 °F
33 °C92 °F
15 km/h9 mph
1 mm0.1 in
0 cm0 in
Jul
22 °C71 °F
34 °C92 °F
16 km/h10 mph
0 mm0 in
0 cm0 in
Aug
22 °C72 °F
35 °C95 °F
16 km/h10 mph
0 mm0 in
0 cm0 in
Sep
24 °C75 °F
36 °C98 °F
16 km/h10 mph
1 mm0 in
0 cm0 in
OctCurrent
25 °C78 °F
37 °C99 °F
13 km/h8 mph
25 mm1 in
0 cm0 in
Nov
25 °C78 °F
35 °C95 °F
10 km/h6 mph
55 mm2.2 in
0 cm0 in
Dec
25 °C76 °F
34 °C93 °F
9 km/h6 mph
48 mm1.9 in
0 cm0 in