Pirajuí weather in January

In January, Pirajuí sees average daytime highs of 30°C and overnight lows near 21°C, with 250 mm of rain across 22.2 wet days and about 13.2 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 14% 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 Pirajuí's 12th-clearest and 11th-windiest month. For the whole year in context, see Pirajuí's year-round climate.

Daytime high
30°
5th warmest
Overnight low
21°
12th coldest
Rainfall
250 mm
22.2 wet days
Daylight
13 h 12 min
6:51 AM – 8:03 PM
Cloud cover
75%
12th clearest
Wind
8 km/h
11th windiest
Solar energy
5.56 kWh/m²
Travel score
3.6
out of 10

Pirajuí 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 30°C through the month.

A typical January day in Pirajuí reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°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)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How January really feels in Pirajuí

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.

Pirajuí 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
Jan30° / 21°25022.213.23.6
Feb30° / 21°17618.612.83.7
Mar30° / 21°13917.112.24.3
Apr29° / 19°617.611.56.0
May26° / 16°565.7117.5
Jun26° / 15°37410.78.0
Jul26° / 14°233.210.88.2
Aug28° / 16°303.611.27.4
Sep30° / 18°617.411.95.7
Oct30° / 19°11312.512.54.6
Nov30° / 20°14715.113.14.2
Dec30° / 21°19519.613.33.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32674
42674
52575
62476
72476
82476
92476
102476
112575
122674
132674
142674
152674
162674
172773
182872
192872
202872
212971
222971
233070
243070
253169
263268
273268
283367
293367
303466
313565

Chance of precipitation in January

Any precipitation

Pirajuí gets around 250 mm of rain over 22.2 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 70% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
168
269
369
470
570
671
771
871
971
1071
1171
1271
1371
1471
1570
1670
1770
1870
1970
2070
2170
2270
2370
2470
2570
2670
2770
2870
2970
3070
3170

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10104545
20104545
3094545
4094546
5094546
6084646
7184646
8184646
9174745
10174745
11174745
12174845
13174845
14174844
15174844
16174845
17174745
18174745
19174645
20174546
21284446
22284347
23284348
24284248
25284149
26284049
27284049
28383950
29393950
30393950
31393850

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 6:41 AM to 7:01 AM, and sunset from 8:01 PM to 8:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:418:01
213.36:428:01
313.36:428:01
413.36:438:02
513.36:448:02
613.36:448:02
713.36:458:02
813.36:468:02
913.36:468:03
1013.36:478:03
1113.36:488:03
1213.26:488:03
1313.26:498:03
1413.26:508:03
1513.26:508:03
1613.26:518:03
1713.26:528:03
1813.26:528:03
1913.26:538:03
2013.26:548:03
2113.26:548:03
2213.16:558:03
2313.16:568:03
2413.16:568:03
2513.16:578:03
2613.16:588:03
2713.16:588:02
2813.16:598:02
2913.07:008:02
3013.07:008:02
3113.07:018:02

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.56 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6.08 kWh/m² in November across the year — January's 5.56 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
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 Pirajuí

In seasonPeak

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

Pirajuí'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 Pirajuí?

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

3.6
Sightseeing
12th-best month of the year
4.9
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Pirajuí.

What to pack for Pirajuí in January

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

In January, Pirajuí sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Pirajuí 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 Pirajuí peaks around January 21 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 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Pirajuí 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 Pirajuí is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul11Good
Aug18Moderate
Sep22Moderate
Oct15Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Pirajuí?

Pirajuí sits at 22.0°S, 49.5°W, 499 m above sea level, in Brazil. The nearest listed city is Cafelândia, 27 km away.

Topography around Pirajuí

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

Within 3 km, the terrain around Pirajuí has only modest variations in elevation — a maximum elevation change of 117 m around an average of 506 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 213 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Pirajuí is covered by trees (33%), grassland (30%) and cropland (21%) within 3 km, cropland (43%), trees (31%) and grassland (26%) within 16 km, and cropland (49%) and trees (29%) within 80 km.

3 km
117 m
16 km
213 m
80 km
362 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Cafelândia 27 km · Garça 31 km · Lins 46 km · Bauru 54 km · Marília 56 km · Piratininga 57 km · Novo Horizonte 64 km · Promissão 66 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 Pirajuí (-21.9986°, -49.4572°, elevation 499 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).