Climate Insights for Altamira

Região Geográfica Intermediária de Corrente-Bom Jesus, Piauí, Brazil

Hottest
October
36°C peak97°F peak
Coldest
July
19°C low67°F low
Wettest
January
160 mm rain6.3 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Altamira is hot. The average annual temperature is 27°C and approximately 763 mm of precipitation falls per year. January is the wettest month, receiving around 160 mm of rainfall. Altamira 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: October, September, August. The coldest months are July, June, August, when temperatures can drop to 19°C.The climate in Altamira is hot. The average annual temperature is 81°F and approximately 30 in of precipitation falls per year. January is the wettest month, receiving around 6.3 in of rainfall. Altamira 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: October, September, August. The coldest months are July, June, August, when temperatures can drop to 67°F.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 32°Average: 27°Min: 23°FebMax: 31°Average: 26°Min: 22°MarMax: 31°Average: 26°Min: 22°AprMax: 32°Average: 27°Min: 22°MayMax: 33°Average: 27°Min: 21°JunMax: 33°Average: 26°Min: 20°JulMax: 33°Average: 26°Min: 19°AugMax: 34°Average: 27°Min: 21°SepMax: 36°Average: 29°Min: 22°OctMax: 36°Average: 30°Min: 24°NovMax: 33°Average: 28°Min: 23°DecMax: 33°Average: 27°Min: 23°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F100°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 89°FAverage: 80°FMin: 73°FFebMax: 88°FAverage: 79°FMin: 72°FMarMax: 88°FAverage: 80°FMin: 72°FAprMax: 89°FAverage: 80°FMin: 72°FMayMax: 91°FAverage: 80°FMin: 71°FJunMax: 91°FAverage: 79°FMin: 68°FJulMax: 91°FAverage: 78°FMin: 67°FAugMax: 94°FAverage: 81°FMin: 69°FSepMax: 97°FAverage: 85°FMin: 72°FOctMax: 97°FAverage: 86°FMin: 75°FNovMax: 92°FAverage: 82°FMin: 74°FDecMax: 91°FAverage: 81°FMin: 73°F
Max
Average
Min

Altamira sees moderate temperature variation throughout the year, ranging from 19°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 19°C and an average of 26°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 2°C shift in average temperatures.Altamira sees moderate temperature variation throughout the year, ranging from 67°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 67°F and an average of 78°F. On average, daily temperatures fluctuate by about 20°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 4°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 160mmFebPrecipitation: 131mmMarPrecipitation: 119mmAprPrecipitation: 83mmMayPrecipitation: 12mmJunPrecipitation: 0mmJulPrecipitation: 0mmAugPrecipitation: 1mmSepPrecipitation: 4mmOctPrecipitation: 41mmNovPrecipitation: 101mmDecPrecipitation: 111mm
Precipitation
0in2in4in6inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 6.3inFebPrecipitation: 5.2inMarPrecipitation: 4.7inAprPrecipitation: 3.3inMayPrecipitation: 0.5inJunPrecipitation: 0inJulPrecipitation: 0inAugPrecipitation: 0inSepPrecipitation: 0.2inOctPrecipitation: 1.6inNovPrecipitation: 4inDecPrecipitation: 4.4in
Precipitation

Altamira is a relatively dry area, receiving approximately 763 mm of precipitation annually, which averages out to around 64 mm per month. The wettest month is January, averaging 160 mm of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 0 mm. That's 160 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.Altamira is a relatively dry area, receiving approximately 30 in of precipitation annually, which averages out to around 2.5 in per month. The wettest month is January, averaging 6.3 in of rainfall. February and March also tend to see above-average precipitation. The driest month is July, with just 0 in. That's 6.3 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/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 6km/hFebWind Speed: 6km/hMarWind Speed: 6km/hAprWind Speed: 6km/hMayWind Speed: 8km/hJunWind Speed: 10km/hJulWind Speed: 10km/hAugWind Speed: 10km/hSepWind Speed: 11km/hOctWind Speed: 9km/hNovWind Speed: 7km/hDecWind Speed: 7km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4mphFebWind Speed: 4mphMarWind Speed: 3mphAprWind Speed: 4mphMayWind Speed: 5mphJunWind Speed: 6mphJulWind Speed: 6mphAugWind Speed: 7mphSepWind Speed: 7mphOctWind Speed: 6mphNovWind Speed: 5mphDecWind Speed: 4mph
Wind Speed

Altamira 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 September, averaging 11km/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 5km/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 10km/h in winter, 9km/h in spring, 6km/h in summer, 7km/h in autumn.Altamira 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 September, averaging 7mph, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph 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, 6mph in spring, 4mph in summer, 4mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Altamira 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 Altamira 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
23 °C73 °F
32 °C89 °F
6 km/h4 mph
160 mm6.3 in
0 cm0 in
Feb
22 °C72 °F
31 °C88 °F
6 km/h4 mph
131 mm5.2 in
0 cm0 in
Mar
22 °C72 °F
31 °C88 °F
6 km/h3 mph
119 mm4.7 in
0 cm0 in
Apr
22 °C72 °F
32 °C89 °F
6 km/h4 mph
83 mm3.3 in
0 cm0 in
May
21 °C71 °F
33 °C91 °F
8 km/h5 mph
12 mm0.5 in
0 cm0 in
Jun
20 °C68 °F
33 °C91 °F
10 km/h6 mph
0 mm0 in
0 cm0 in
Jul
19 °C67 °F
33 °C91 °F
10 km/h6 mph
0 mm0 in
0 cm0 in
Aug
21 °C69 °F
34 °C94 °F
10 km/h7 mph
1 mm0 in
0 cm0 in
Sep
22 °C72 °F
36 °C97 °F
11 km/h7 mph
4 mm0.2 in
0 cm0 in
OctCurrent
24 °C75 °F
36 °C97 °F
9 km/h6 mph
41 mm1.6 in
0 cm0 in
Nov
23 °C74 °F
33 °C92 °F
7 km/h5 mph
101 mm4 in
0 cm0 in
Dec
23 °C73 °F
33 °C91 °F
7 km/h4 mph
111 mm4.4 in
0 cm0 in