Santos weather in July

In July, Santos sees average daytime highs of 21°C and overnight lows near 18°C, with 115 mm of rain across 10 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 46% of the time in July, and the air most often feels humid.

Daylight stretches from about 10 h 30 min at the start of July to 10 h 54 min by month's end. Set against the rest of the year, July is Santos's 1st-clearest and 6th-windiest month. For the whole year in context, see Santos's year-round climate.

Daytime high
21°
11th warmest
Overnight low
18°
1st coldest
Rainfall
115 mm
10 wet days
Daylight
10 h 42 min
7:51 AM – 6:31 PM
Cloud cover
48%
1st clearest
Wind
12 km/h
6th windiest
Solar energy
3.33 kWh/m²
Travel score
6.8
out of 10
Air quality
Moderate
PM2.5 15 µg/m³ · 2016

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical July day in Santos reaches about 21°C in the afternoon and slips back to 18°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12218
22218
32218
42218
52218
62218
72218
82218
92218
102218
112118
122118
132118
142118
152118
162118
172118
182118
192118
202118
212118
222118
232118
242118
252118
262118
272118
282118
292118
302118
312118

Santos weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°22620.913.34.9
Feb27° / 24°19917.412.85.1
Mar26° / 24°20719.512.25.3
Apr25° / 22°12713.411.56.4
May23° / 20°12512.710.96.5
Jun22° / 19°971010.56.8
Jul21° / 18°1151010.76.8
Aug21° / 18°9410.211.26.6
Sep22° / 19°14214.311.95.9
Oct23° / 20°15916.212.65.6
Nov24° / 21°17416.813.25.7
Dec25° / 23°17918.213.55.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55743
65842
75842
85941
95941
106040
116139
126139
136139
146139
156238
166238
176139
186139
196139
206040
216040
226139
236040
246040
255941
265941
275842
285842
295842
305743
315644

Chance of precipitation in July

Any precipitation

Santos gets around 115 mm of rain over 10 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
932
1032
1132
1231
1331
1431
1531
1631
1731
1831
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3033
3133

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16155821
26155920
36156019
47165819
57175818
67185817
78195716
88195815
98205814
108215714
119225613
129225712
139235711
1410235611
1510245610
1610245610
1710245610
1810245610
1910245610
2011235610
211123579
221122589
231122589
241121599
251121599
261120609
271120609
2811205910
2911196010
3011196010
3110196110

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 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 30 min at the start of July to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 7:53 AM to 7:46 AM, and sunset from 6:25 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:536:25
210.57:536:25
310.57:536:25
410.67:536:26
510.67:536:26
610.67:536:26
710.67:536:27
810.67:536:27
910.67:526:28
1010.67:526:28
1110.67:526:28
1210.67:526:29
1310.67:526:29
1410.67:526:30
1510.67:526:30
1610.77:516:31
1710.77:516:31
1810.77:516:31
1910.77:516:32
2010.77:506:32
2110.77:506:33
2210.77:506:33
2310.77:496:34
2410.87:496:34
2510.87:486:35
2610.87:486:35
2710.87:486:35
2810.87:476:36
2910.87:476:36
3010.87:466:37
3110.97:466:37

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.33 kWh/m².

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 6.1 kWh/m² in December across the year — July's 3.33 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.6Moderate
313.6Moderate
Planning a trip in July

Is July a good time to visit Santos?

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

6.8
Sightseeing
1st-best month of the year
4.3
Beach & pool
9th-best month of the year

July is a reasonable time to visit Santos for sightseeing.

What to pack for Santos in July

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

In July, Santos sees daytime highs around 21°C and nights near 18°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Santos in July

The nearest coast averages about 21°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 19 km away) is warmest in February at about 27°C and coldest in August near 20°C.

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

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug20Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Santos in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santos peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeFeb 10UV 14Jul 12UV 5
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar10Very high
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep7Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Santos in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Santos is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Santos's WHO annual average of 15 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1422 µg/m³Feb 1311 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar11Good
Apr12Moderate
May16Moderate
Jun22Moderate
Jul23Moderate
Aug21Moderate
Sep18Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Santos?

Santos sits at 24.0°S, 46.3°W, 12 m above sea level, in Brazil. The nearest listed city is São Vicente, 6.0 km away.

Topography around Santos

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

Within 3 km, the terrain around Santos has only modest variations in elevation — a maximum elevation change of 207 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 998 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around Santos is covered by artificial surfaces (54%) and water (27%) within 3 km, water (39%) and trees (33%) within 16 km, and water (47%) and trees (38%) within 80 km.

3 km
207 m
16 km
998 m
80 km
1,434 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
July weather nearby: São Vicente 6.0 km · Guarujá 9.0 km · Praia Grande 9.0 km · Cubatão 12 km · Bertioga 23 km · Rio Grande da Serra 25 km · Ribeirão Pires 29 km · Mongaguá 33 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 Santos (-23.9608°, -46.3336°, elevation 12 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. 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).