Teresina weather in August

In August, Teresina sees average daytime highs of 35°C and overnight lows near 24°C, with 2 mm of rain across 0.5 wet days and about 11.8 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 69% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Teresina's 1st-clearest and 1st-windiest month. For the whole year in context, see Teresina's year-round climate.

Daytime high
35°
4th warmest
Overnight low
24°
8th coldest
Rainfall
2 mm
0.5 wet days
Daylight
11 h 48 min
6:00 AM – 5:50 PM
Cloud cover
32%
1st clearest
Wind
9 km/h
1st windiest
Solar energy
6.11 kWh/m²
Travel score
3.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical August day in Teresina reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 36°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43423
53423
63423
73423
83423
93523
103523
113523
123523
133523
143523
153523
163523
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273524
283524
293624
303624
313624

How August really feels in Teresina

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Teresina weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°23522.512.32.7
Feb32° / 23°28122.612.22.7
Mar31° / 23°32826.9122.6
Apr31° / 23°26423.311.92.9
May32° / 23°12412.811.83.8
Jun33° / 23°162.911.74.3
Jul33° / 23°91.611.74.1
Aug35° / 24°20.511.83.3
Sep36° / 24°30.9122.4
Oct37° / 25°15212.12.0
Nov36° / 25°415.812.22.2
Dec34° / 24°9311.312.32.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28515
38614
48614
58713
68713
78614
88713
98713
108713
118713
128713
138614
148515
158515
168515
178515
188614
198614
208614
218713
228713
238713
248713
258812
268911
278911
289010
299010
309010
319010

Chance of precipitation in August

Any precipitation

Teresina gets around 2 mm of rain over 0.5 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
62
72
82
92
102
112
122
132
142
152
162
172
182
192
201
211
221
231
241
251
261
271
281
292
302
312

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11146375
21146375
31146375
41146385
51146385
61146395
71146394
81146394
91046394
101046394
111046404
121046404
131146404
141146404
151145404
161145413
171145413
181144413
191144413
201144423
211144423
221144423
231043434
241043434
251042444
26942454
27942455
28842455
29842455
30742456
31742456

Wind in August

Winds average 9 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 48 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over August. Sunrise moves from 6:04 AM to 5:54 AM, and sunset from 5:51 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:045:51
211.86:045:51
311.86:045:51
411.86:035:51
511.86:035:51
611.86:035:51
711.86:035:51
811.86:035:51
911.86:025:51
1011.86:025:51
1111.86:025:51
1211.86:025:51
1311.86:015:50
1411.86:015:50
1511.86:015:50
1611.86:005:50
1711.86:005:50
1811.86:005:50
1911.85:595:50
2011.85:595:50
2111.95:595:50
2211.95:585:50
2311.95:585:49
2411.95:575:49
2511.95:575:49
2611.95:575:49
2711.95:565:49
2811.95:565:49
2911.95:555:49
3011.95:555:48
3111.95:545:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.11 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 6.65 kWh/m² in October across the year — August's 6.11 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
66.0Bright
76.0Bright
86.0Bright
96.0Intense
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.4Intense
Planning a trip in August

Hazard calendar for Teresina

In seasonPeak

None of Teresina's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Teresina's monsoon runs January–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Teresina?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.3
Sightseeing
4th-best month of the year
7.1
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Teresina. The water and warmth also suit a beach or pool day.

What to pack for Teresina in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Teresina sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Teresina in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Teresina peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Teresina in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Teresina is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1633 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun8Good
Jul10Good
Aug16Moderate
Sep25Moderate
Oct35Moderate
Nov23Moderate
Dec17Moderate
Location & terrain

Where is Teresina?

Teresina sits at 5.1°S, 42.8°W, 87 m above sea level, in Brazil. The nearest listed city is Timon, 4.0 km away.

Topography around Teresina

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Teresina.

Within 3 km, the terrain around Teresina has only modest variations in elevation — a maximum elevation change of 56 m around an average of 74 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, significant variations in elevation — a maximum elevation change of 382 m.

The land around Teresina is covered by artificial surfaces (76%) within 3 km, trees (43%) within 16 km, and trees (58%) and shrubs (20%) within 80 km.

3 km
56 m
16 km
147 m
80 km
382 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Timon 4.0 km · Demerval Lobão 33 km · Altos 38 km · José de Freitas 45 km · União 56 km · Matões 65 km · Caxias 67 km · Parnarama 73 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Teresina (-5.0892°, -42.8019°, elevation 87 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).