Cairu weather in July

In July, Cairu sees average daytime highs of 25°C and overnight lows near 21°C, with 131 mm of rain across 23.3 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 30% of the time in July, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of July to 11 h 24 min by month's end. Set against the rest of the year, July is Cairu's 4th-clearest and 2nd-windiest month. For the whole year in context, see Cairu's year-round climate.

Daytime high
25°
11th warmest
Overnight low
21°
2nd coldest
Rainfall
131 mm
23.3 wet days
Daylight
11 h 18 min
6:04 AM – 5:20 PM
Cloud cover
52%
4th clearest
Wind
12 km/h
2nd windiest
Solar energy
3.91 kWh/m²
Travel score
5.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical July day in Cairu reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, July runs on par with June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52521
62521
72521
82521
92521
102521
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521
312521

How July really feels in Cairu

Once humidity and wind are folded in, July averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cairu weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°8719.412.74.5
Feb29° / 24°7719.712.44.2
Mar29° / 24°10622.212.14.1
Apr28° / 24°14123.611.74.2
May27° / 23°1492211.44.8
Jun26° / 22°15023.211.24.8
Jul25° / 21°13123.311.35.0
Aug25° / 21°10421.111.65.3
Sep26° / 22°8418.311.95.5
Oct27° / 23°7917.812.35.5
Nov28° / 23°991812.65.1
Dec28° / 24°7416.112.85.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 39% of July, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36733
46733
56733
66832
76832
86931
96931
107030
117030
127030
137030
147030
157030
167030
177030
187030
197129
207129
217129
227129
237129
247129
257228
267129
277129
287129
297030
307030
316931

Chance of precipitation in July

Any precipitation

Cairu gets around 131 mm of rain over 23.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 75% and peaks near 76% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
176
275
375
475
574
674
774
874
974
1074
1174
1274
1374
1474
1574
1675
1775
1875
1976
2076
2176
2276
2376
2476
2576
2676
2776
2875
2975
3074
3173

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
137720
247719
347818
447917
547917
657916
757916
857916
958015
1058015
1158015
1258015
1358114
1458114
1558114
1658114
1768014
1868113
1968113
2078013
2178112
2288111
2388111
2498110
2598110
2610819
2710819
2810828
2910828
3010828
3110828

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 12 min at the start of July to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over July. Sunrise moves from 6:03 AM to 6:01 AM, and sunset from 5:16 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:035:16
211.26:035:16
311.26:035:16
411.26:035:17
511.26:045:17
611.26:045:17
711.26:045:18
811.26:045:18
911.26:045:18
1011.26:045:18
1111.26:045:19
1211.36:045:19
1311.36:045:19
1411.36:045:19
1511.36:045:20
1611.36:045:20
1711.36:035:20
1811.36:035:21
1911.36:035:21
2011.36:035:21
2111.36:035:21
2211.36:035:22
2311.36:035:22
2411.36:025:22
2511.36:025:22
2611.36:025:23
2711.46:025:23
2811.46:025:23
2911.46:015:23
3011.46:015:24
3111.46:015:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.91 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.24 kWh/m² in January across the year — July's 3.91 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Bright
234.0Bright
244.0Bright
254.0Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in July

Is July a good time to visit Cairu?

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

5.0
Sightseeing
5th-best month of the year
4.6
Beach & pool
11th-best month of the year

July is a reasonable time to visit Cairu for sightseeing.

What to pack for Cairu in July

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

In July, Cairu sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 23 days see rain.

rain gearlight clothes

Sea temperature near Cairu in July

The nearest coast averages about 26°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Cairu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cairu peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 19UV 15Jun 22UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Cairu?

Cairu sits at 13.5°S, 39.0°W, 17 m above sea level, in Brazil. The nearest listed city is Taperoá, 8.0 km away.

Topography around Cairu

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

Within 3 km, the terrain around Cairu has only modest variations in elevation — a maximum elevation change of 55 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 212 m; within 80 km, large variations in elevation — a maximum elevation change of 898 m.

The land around Cairu is covered by mangroves (33%), trees (32%) and water (31%) within 3 km, trees (59%) within 16 km, and trees (48%) and water (32%) within 80 km.

3 km
55 m
16 km
212 m
80 km
898 m
treesgrasslandartificial surfaceswaterwetlandmangroves
July weather nearby: Taperoá 8.0 km · Valença 13 km · Ituberá 30 km · Presidente Tancredo Neves 41 km · Jaguaripe 45 km · Teolândia 50 km · Nazaré 50 km · Camamu 52 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 Cairu (-13.4869°, -39.0439°, elevation 17 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).