Valença weather in October

In October, Valença sees average daytime highs of 26°C and overnight lows near 17°C, with 137 mm of rain across 15.6 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 18% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Valença's 9th-clearest and 2nd-windiest month. For the whole year in context, see Valença's year-round climate.

Daytime high
26°
7th warmest
Overnight low
17°
6th coldest
Rainfall
137 mm
15.6 wet days
Daylight
12 h 30 min
6:24 AM – 6:56 PM
Cloud cover
72%
9th clearest
Wind
8 km/h
2nd windiest
Solar energy
4.97 kWh/m²
Travel score
5.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical October day in Valença reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72617
82617
92617
102617
112617
122617
132717
142717
152717
162717
172717
182718
192718
202718
212718
222718
232718
242718
252718
262718
272618
282618
292618
302618
312618

Valença weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°30222.413.23.9
Feb29° / 20°21917.812.84.1
Mar28° / 19°22020.912.24.5
Apr27° / 18°9513.211.56.0
May24° / 15°549.110.97.1
Jun24° / 14°265.410.77.8
Jul24° / 14°265.210.87.9
Aug25° / 14°306.211.27.7
Sep26° / 16°7610.711.96.6
Oct26° / 17°13715.612.55.6
Nov27° / 18°24320.413.14.7
Dec28° / 19°29823.113.34.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33268
43367
53367
63268
73268
83367
93367
103367
113268
123268
133268
143268
153169
163169
173070
182971
192971
202971
212872
222773
232872
242773
252674
262575
272476
282575
292476
302377
312377

Chance of precipitation in October

Any precipitation

Valença gets around 137 mm of rain over 15.6 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 51% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
447
546
646
745
844
944
1044
1144
1245
1345
1446
1547
1648
1749
1850
1951
2052
2153
2254
2356
2457
2557
2658
2759
2859
2960
3060
3161

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
111334214
210334215
310324216
410314216
510314317
69304318
79294318
89294319
99284320
109274321
119274322
128264223
138264224
147254325
157254325
166244326
176244327
185234428
195224429
204224430
214214431
224214431
233204432
243204432
253204433
263204433
273194434
283194434
293184335
303184336
313174336

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:38 AM to 6:14 AM, and sunset from 6:50 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:386:50
212.26:376:50
312.26:366:51
412.36:356:51
512.36:346:51
612.36:336:52
712.36:326:52
812.46:316:52
912.46:306:53
1012.46:296:53
1112.46:286:53
1212.46:276:54
1312.56:276:54
1412.56:266:55
1512.56:256:55
1612.56:246:56
1712.56:236:56
1812.66:236:56
1912.66:226:57
2012.66:216:57
2112.66:206:58
2212.66:206:58
2312.76:196:59
2412.76:186:59
2512.76:177:00
2612.76:177:00
2712.76:167:01
2812.86:167:01
2912.86:157:02
3012.86:147:02
3112.86:147:03

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.97 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.77 kWh/m² in February across the year — October's 4.97 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in October

Hazard calendar for Valença

In seasonPeak

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

Valença's monsoon runs October–March, when most of the year's rain falls.

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

Is October a good time to visit Valença?

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

5.6
Sightseeing
7th-best month of the year
5.5
Beach & pool
7th-best month of the year

October is a reasonable time to visit Valença for sightseeing.

What to pack for Valença in October

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

In October, Valença sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

UV index in Valença 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 Valença peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 highExtremeJan 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Valença in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Valença is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (December, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateJul 1237 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar21Moderate
Apr24Moderate
May31Moderate
Jun36Poor
Jul38Poor
Aug32Moderate
Sep37Poor
Oct24Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Valença?

Valença sits at 22.2°S, 43.7°W, 560 m above sea level, in Brazil. The nearest listed city is Vassouras, 18 km away.

Topography around Valença

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

Within 3 km, the terrain around Valença has significant variations in elevation — a maximum elevation change of 523 m around an average of 617 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 770 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Valença is covered by grassland (60%) and trees (25%) within 3 km, grassland (64%) and trees (35%) within 16 km, and trees (48%) and grassland (46%) within 80 km.

3 km
523 m
16 km
770 m
80 km
2,224 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Vassouras 18 km · Barra do Piraí 28 km · Mendes 31 km · Miguel Pereira 33 km · Paty do Alferes 35 km · Paracambi 40 km · Pinheiral 43 km · Paraíba do Sul 43 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 Valença (-22.2456°, -43.7003°, elevation 560 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).