Cunha weather in January

In January, Cunha sees average daytime highs of 27°C and overnight lows near 19°C, with 268 mm of rain across 25.9 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 h 06 min by month's end. Set against the rest of the year, January is Cunha's 12th-clearest and 9th-windiest month. For the whole year in context, see Cunha's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
268 mm
25.9 wet days
Daylight
13 h 18 min
6:31 AM – 7:47 PM
Cloud cover
78%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
5.48 kWh/m²
Travel score
4.1
out of 10

Cunha is human settlement in Brazil.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Cunha reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

Cunha weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°26825.913.34.1
Feb27° / 19°18421.512.84.4
Mar26° / 18°17322.112.24.8
Apr25° / 17°7812.911.56.4
May23° / 14°589.410.96.9
Jun22° / 13°366.510.67.4
Jul22° / 12°446.210.77.4
Aug23° / 13°386.511.27.7
Sep24° / 15°8511.311.96.8
Oct25° / 16°11316.512.55.7
Nov25° / 17°15419.713.15.1
Dec26° / 18°2142313.44.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32377
42476
52476
62377
72377
82377
92377
102377
112377
122377
132377
142377
152377
162377
172476
182377
192377
202476
212377
222377
232476
242476
252377
262575
272674
282674
292674
302773
312872

Chance of precipitation in January

Any precipitation

Cunha gets around 268 mm of rain over 25.9 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
181
281
381
481
581
681
782
882
982
1082
1182
1282
1383
1483
1583
1683
1784
1884
1984
2084
2184
2284
2384
2484
2584
2683
2783
2882
2981
3081
3180

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 66% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1238600
2237610
3237610
4236620
5236620
6135640
7135640
8135640
9134650
10134650
11134650
12134650
13134650
14134650
15134650
16133660
17233650
18232660
19232660
20231670
21230680
22229690
23229690
24228700
25227710
26227710
27226720
28226720
29226720
30226720
31226711

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 24 min at the start of January to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:21 AM to 6:41 AM, and sunset from 7:45 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:217:45
213.46:227:45
313.46:227:45
413.46:237:46
513.46:247:46
613.46:247:46
713.46:257:46
813.46:267:47
913.36:267:47
1013.36:277:47
1113.36:277:47
1213.36:287:47
1313.36:297:47
1413.36:307:47
1513.36:307:47
1613.36:317:47
1713.36:327:47
1813.36:327:47
1913.26:337:47
2013.26:347:47
2113.26:347:47
2213.26:357:47
2313.26:367:47
2413.26:367:47
2513.26:377:47
2613.16:387:46
2713.16:387:46
2813.16:397:46
2913.16:407:46
3013.16:407:45
3113.16:417:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.48 kWh/m².

For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 5.65 kWh/m² in February across the year — January's 5.48 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Cunha

In seasonPeak

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

Cunha's rainy season runs November–March, when most of the year's rain falls.

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

Is January a good time to visit Cunha?

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

4.1
Sightseeing
12th-best month of the year
4.2
Beach & pool
12th-best month of the year

January is a reasonable time to visit Cunha for sightseeing.

What to pack for Cunha in January

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

In January, Cunha sees daytime highs around 27°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 26 days see rain.

rain gearlight clothessun protection

Sea temperature near Cunha in January

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

The sea at the nearest coast (about 35 km away) is warmest in February at about 27°C and coldest in August near 21°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Cunha in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cunha peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 14Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Cunha in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Cunha is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (March, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Mar 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar9Good
Apr10Good
May12Good
Jun13Moderate
Jul13Moderate
Aug14Moderate
Sep18Moderate
Oct12Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Cunha?

Cunha sits at 23.1°S, 45.0°W, 953 m above sea level, in Brazil. The nearest listed city is Paraty, 30 km away.

Topography around Cunha

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

Within 3 km, the terrain around Cunha has significant variations in elevation — a maximum elevation change of 269 m around an average of 940 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 945 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Cunha is covered by grassland (60%) and trees (32%) within 3 km, grassland (61%) and trees (38%) within 16 km, and trees (45%), grassland (26%) and water (26%) within 80 km.

3 km
269 m
16 km
945 m
80 km
2,761 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Paraty 30 km · Guaratinguetá 37 km · Aparecida 37 km · Potim 39 km · Ubatuba 42 km · Lorena 42 km · Cachoeira Paulista 46 km · Pindamonhangaba 54 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 Cunha (-23.0744°, -44.9597°, elevation 953 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).