Serra weather in October

In October, Serra sees average daytime highs of 25°C and overnight lows near 22°C, with 93 mm of rain across 10.9 wet days and about 12.5 hours of daylight. It is the 8th-warmest and 5th-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 28% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 42 min by month's end. Set against the rest of the year, October is Serra's 10th-clearest and 1st-windiest month. For the whole year in context, see Serra's year-round climate.

Daytime high
25°
8th warmest
Overnight low
22°
6th coldest
Rainfall
93 mm
10.9 wet days
Daylight
12 h 30 min
6:12 AM – 6:40 PM
Cloud cover
62%
10th clearest
Wind
17 km/h
1st windiest
Solar energy
5.36 kWh/m²
Travel score
6.6
out of 10

Serra is human settlement in Brazil.

Air quality
Good
PM10 17.8 µg/m³ · 2019

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Serra reaches about 25°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, October runs on par with September and on par with November.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52521
62521
72522
82522
92522
102522
112522
122522
132522
142522
152522
162522
172522
182522
192522
202622
212622
222622
232622
242622
252622
262622
272622
282622
292622
302622
312622

Serra weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°1001213.16.0
Feb28° / 24°6811.512.75.6
Mar28° / 24°12215.812.15.4
Apr27° / 23°8613.811.66.1
May26° / 22°6010.511.16.9
Jun25° / 21°347.710.87.6
Jul24° / 20°419.210.97.5
Aug24° / 20°418.911.37.5
Sep25° / 21°5010.111.97.0
Oct25° / 22°9310.912.56.6
Nov26° / 23°17715.3135.6
Dec27° / 24°15614.613.25.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44654
54555
64753
74753
84753
94753
104852
114951
124951
134951
144951
155050
164951
174951
184951
194951
204852
214753
224654
234654
244357
254357
264159
274159
283961
293862
303763
313763

Chance of precipitation in October

Any precipitation

Serra gets around 93 mm of rain over 10.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
234
334
434
533
633
733
833
933
1033
1133
1233
1333
1433
1532
1633
1733
1833
1933
2034
2135
2236
2337
2439
2540
2641
2742
2843
2944
3045
3146

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
116205716
216205617
306205618
406195619
506195520
605185621
705185522
805175523
905175424
1005175325
1105165326
1204165327
1304165228
1404165129
1504155229
1604155130
1704145032
1804145033
1903134934
2003124935
2103124837
2203124738
2303114739
2403114640
2503114541
2603114442
2703114443
2803104344
2903104344
3002104345
310294246

Wind in October

Winds average 17 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3016light breeze
3116light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over October. Sunrise moves from 6:25 AM to 6:03 AM, and sunset from 6:36 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:256:36
212.26:246:36
312.26:236:36
412.26:226:36
512.36:216:37
612.36:206:37
712.36:196:37
812.36:196:38
912.36:186:38
1012.46:176:38
1112.46:166:39
1212.46:156:39
1312.46:146:39
1412.46:146:40
1512.56:136:40
1612.56:126:40
1712.56:116:41
1812.56:116:41
1912.56:106:41
2012.56:096:42
2112.66:096:42
2212.66:086:43
2312.66:076:43
2412.66:076:44
2512.66:066:44
2612.66:056:44
2712.76:056:45
2812.76:046:45
2912.76:046:46
3012.76:036:46
3112.76:036:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.36 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.39 kWh/m² in February across the year — October's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for Serra

In seasonPeak

In October, Serra sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Serra's rainy season runs October–January, when most of the year's rain falls.

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

Is October a good time to visit Serra?

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

6.6
Sightseeing
6th-best month of the year
6.0
Beach & pool
10th-best month of the year

October is a reasonable time to visit Serra for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Serra in October

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

In October, Serra sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Serra in October

The nearest coast averages about 24°C in October — 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 March at about 27°C and coldest in August near 23°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr27Warm
May25Warm
Jun24Warm
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Refreshing
Nov25Warm
Dec25Warm

UV index in Serra in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Serra peaks around February 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 12UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul7High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Serra?

Serra sits at 20.1°S, 40.3°W, 57 m above sea level, in Brazil. The nearest listed city is Cariacica, 19 km away.

Topography around Serra

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

Within 3 km, the terrain around Serra has significant variations in elevation — a maximum elevation change of 439 m around an average of 63 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 800 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,872 m.

The land around Serra is covered by trees (43%), grassland (35%) and artificial surfaces (21%) within 3 km, trees (44%) and grassland (31%) within 16 km, and trees (42%), water (30%) and grassland (25%) within 80 km.

3 km
439 m
16 km
800 m
80 km
1,872 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
October weather nearby: Cariacica 19 km · Vitória 21 km · Vila Velha 22 km · Fundão 24 km · Aracruz 34 km · Viana 35 km · Santa Teresa 37 km · Domingos Martins 45 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 Serra (-20.1286°, -40.3078°, elevation 57 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).