Valparaíso weather in January

In January, Valparaíso sees average daytime highs of 31°C and overnight lows near 22°C, with 261 mm of rain across 22.5 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 16% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Valparaíso's 12th-clearest and 10th-windiest month. For the whole year in context, see Valparaíso's year-round climate.

Daytime high
31°
5th warmest
Overnight low
22°
12th coldest
Rainfall
261 mm
22.5 wet days
Daylight
13 h 12 min
6:58 AM – 8:08 PM
Cloud cover
74%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
5.67 kWh/m²
Travel score
3.3
out of 10

Valparaíso is settlement in Valparaíso, São Paulo, 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 31°C through the month.

A typical January day in Valparaíso reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How January really feels in Valparaíso

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Valparaíso weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°26122.513.13.3
Feb31° / 22°19019.512.73.4
Mar31° / 22°15518.712.23.9
Apr30° / 20°65811.55.5
May27° / 17°506.2117.2
Jun27° / 16°313.610.77.8
Jul27° / 16°192.510.87.9
Aug30° / 17°22311.36.4
Sep31° / 19°647.411.94.9
Oct32° / 21°11012.412.54.0
Nov31° / 21°15515.5133.7
Dec31° / 22°19320.813.33.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32872
42773
52674
62674
72575
82575
92674
102575
112575
122575
132674
142575
152674
162773
172773
182872
192872
202971
213070
223070
233169
243169
253169
263367
273466
283466
293565
303565
313763

Chance of precipitation in January

Any precipitation

Valparaíso gets around 261 mm of rain over 22.5 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 72% and peaks near 74% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
172
273
373
473
574
674
774
874
974
1074
1173
1273
1372
1472
1571
1671
1771
1871
1970
2070
2170
2270
2370
2471
2571
2671
2771
2871
2971
3071
3171

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10425710
20424711
30424711
40424711
50423721
60423721
70324721
80324721
90324721
100325711
110325711
120326701
130326701
140327691
150327691
160327691
170327691
180327691
190327691
200327691
210326701
220325711
230325711
240324721
250323731
260322741
271421731
281420741
291420741
301419751
311419751

Wind in January

Winds average 8 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 13 h 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:48 AM to 7:08 AM, and sunset from 8:05 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:488:05
213.36:498:05
313.36:508:05
413.36:508:06
513.36:518:06
613.26:528:06
713.26:528:06
813.26:538:07
913.26:538:07
1013.26:548:07
1113.26:558:07
1213.26:558:07
1313.26:568:07
1413.26:578:07
1513.26:578:08
1613.26:588:08
1713.26:598:08
1813.16:598:08
1913.17:008:08
2013.17:018:08
2113.17:018:08
2213.17:028:08
2313.17:038:07
2413.17:038:07
2513.17:048:07
2613.07:048:07
2713.07:058:07
2813.07:068:07
2913.07:068:06
3013.07:078:06
3113.07:088:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.67 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 6.17 kWh/m² in November across the year — January's 5.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in January

Hazard calendar for Valparaíso

In seasonPeak

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

Valparaíso's monsoon runs November–March, when most of the year's rain falls.

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

Is January a good time to visit Valparaíso?

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

3.3
Sightseeing
11th-best month of the year
4.7
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Valparaíso.

What to pack for Valparaíso in January

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

In January, Valparaíso sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Valparaíso 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 Valparaíso peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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 22UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun7High
Jul6High
Aug8Very high
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme

Air quality in Valparaíso 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 Valparaíso is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1719 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May8Good
Jun7Good
Jul7Good
Aug11Good
Sep20Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Valparaíso?

Valparaíso sits at 21.2°S, 50.9°W, 443 m above sea level, in Brazil. The nearest listed city is Guararapes, 24 km away.

Topography around Valparaíso

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

Within 3 km, the terrain around Valparaíso has only modest variations in elevation — a maximum elevation change of 97 m around an average of 427 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 154 m; within 80 km, significant variations in elevation — a maximum elevation change of 269 m.

The land around Valparaíso is covered by cropland (38%) and grassland (37%) within 3 km, cropland (60%) and grassland (26%) within 16 km, and cropland (51%) and grassland (34%) within 80 km.

3 km
97 m
16 km
154 m
80 km
269 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Guararapes 24 km · Mirandópolis 26 km · Araçatuba 45 km · Adamantina 55 km · Birigui 55 km · Lucélia 57 km · Osvaldo Cruz 63 km · Andradina 65 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 Valparaíso (-21.2278°, -50.8683°, elevation 443 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).