Sertanópolis weather in January

In January, Sertanópolis sees average daytime highs of 31°C and overnight lows near 22°C, with 196 mm of rain across 19.1 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 31°C through the month. The sky is clear or mostly clear about 18% of the time in January, and the air most often feels oppressive.

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 Sertanópolis's 12th-clearest and 11th-windiest month. For the whole year in context, see Sertanópolis's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
12th coldest
Rainfall
196 mm
19.1 wet days
Daylight
13 h 18 min
6:55 AM – 8:12 PM
Cloud cover
70%
12th clearest
Wind
8 km/h
11th windiest
Solar energy
5.72 kWh/m²
Travel score
3.7
out of 10

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 Sertanópolis reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°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)
13122
23122
33122
43122
53122
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How January really feels in Sertanópolis

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.

Sertanópolis 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
Jan31° / 22°19619.113.33.7
Feb31° / 22°1501712.83.8
Mar31° / 21°10213.112.24.4
Apr29° / 19°626.211.56.0
May26° / 16°737.110.97.3
Jun25° / 15°64610.67.8
Jul25° / 14°424.610.78.0
Aug27° / 15°444.311.27.6
Sep29° / 17°88811.96.0
Oct30° / 19°11511.512.54.9
Nov31° / 20°13012.413.14.4
Dec31° / 22°14916.313.43.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53367
63367
73169
83169
93268
103268
113268
123268
133268
143268
153268
163268
173268
183268
193367
203367
213466
223367
233367
243466
253565
263565
273664
283664
293862
303862
313961

Chance of precipitation in January

Any precipitation

Sertanópolis gets around 196 mm of rain over 19.1 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 61% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
260
361
461
562
662
762
862
962
1062
1162
1262
1361
1461
1560
1660
1759
1859
1959
2059
2159
2259
2359
2460
2560
2660
2760
2861
2961
3061
3161

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1930601
2830611
3730621
4729631
5629641
6629641
7628651
8628651
9528661
10528661
11627661
12627661
13627661
14627661
15727651
16727651
17827641
18827641
19827641
20926641
21926641
22926641
23926641
24926641
25926641
26926641
27926641
28926641
29826651
30827641
31827641

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 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 6:45 AM to 7:05 AM, and sunset from 8:09 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:458:09
213.46:468:09
313.46:478:10
413.46:478:10
513.46:488:10
613.46:498:10
713.46:498:11
813.46:508:11
913.36:508:11
1013.36:518:11
1113.36:528:11
1213.36:528:11
1313.36:538:12
1413.36:548:12
1513.36:558:12
1613.36:558:12
1713.36:568:12
1813.36:578:12
1913.26:578:12
2013.26:588:12
2113.26:598:11
2213.26:598:11
2313.27:008:11
2413.27:018:11
2513.27:018:11
2613.17:028:11
2713.17:038:11
2813.17:038:10
2913.17:048:10
3013.17:058:10
3113.17:058:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.72 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 6.1 kWh/m² in November across the year — January's 5.72 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Sertanópolis

In seasonPeak

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

Sertanópolis's rainy season runs October–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 Sertanópolis?

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

3.7
Sightseeing
12th-best month of the year
5.3
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Sertanópolis.

What to pack for Sertanópolis in January

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

In January, Sertanópolis sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Sertanópolis 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 Sertanópolis peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 21UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep5High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Sertanópolis 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 Sertanópolis is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul12Good
Aug14Moderate
Sep21Moderate
Oct14Moderate
Nov8Good
Dec9Good
Location & terrain

Where is Sertanópolis?

Sertanópolis sits at 23.1°S, 51.0°W, 403 m above sea level, in Brazil. The nearest listed city is Ibiporã, 23 km away.

Topography around Sertanópolis

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

Within 3 km, the terrain around Sertanópolis has only modest variations in elevation — a maximum elevation change of 131 m around an average of 378 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, large variations in elevation — a maximum elevation change of 814 m.

The land around Sertanópolis is covered by cropland (70%) within 3 km, cropland (65%) within 16 km, and cropland (65%) within 80 km.

3 km
131 m
16 km
304 m
80 km
814 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Ibiporã 23 km · Londrina 31 km · Cambé 35 km · Cornélio Procópio 42 km · Rolândia 44 km · Jaguapitã 51 km · Arapongas 56 km · Astorga 67 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 Sertanópolis (-23.0586°, -51.0364°, elevation 403 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).