Jataí weather in January

In January, Jataí sees average daytime highs of 29°C and overnight lows near 20°C, with 243 mm of rain across 25.5 wet days and about 13 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of January to 12 h 48 min by month's end. Set against the rest of the year, January is Jataí's 12th-clearest and 5th-windiest month. For the whole year in context, see Jataí's year-round climate.

Daytime high
29°
9th warmest
Overnight low
20°
12th coldest
Rainfall
243 mm
25.5 wet days
Daylight
13 hours
7:07 AM – 8:05 PM
Cloud cover
80%
12th clearest
Wind
8 km/h
5th windiest
Solar energy
5.53 kWh/m²
Travel score
3.5
out of 10

Jataí 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 29°C through the month.

A typical January day in Jataí reaches about 29°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°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)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Jataí weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°24325.5133.5
Feb29° / 20°21223.312.63.4
Mar29° / 20°21625.112.13.5
Apr29° / 19°9413.211.65.2
May28° / 16°325.311.27.2
Jun28° / 15°111.510.98.1
Jul28° / 15°61.1117.9
Aug30° / 16°132.111.46.4
Sep31° / 19°608.411.94.7
Oct31° / 20°14318.912.43.7
Nov29° / 20°2032312.83.6
Dec29° / 20°23226.313.13.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21684
31684
41684
51684
61684
71684
81684
91684
101783
111783
121882
131882
141882
152080
162080
172179
182278
192278
202377
212377
222377
232377
242377
252476
262476
272575
282575
292476
302476
312575

Chance of precipitation in January

Any precipitation

Jataí gets around 243 mm of rain over 25.5 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 83% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
383
483
584
684
784
883
983
1083
1183
1283
1383
1483
1582
1682
1782
1882
1982
2082
2182
2282
2382
2482
2582
2682
2782
2883
2983
3083
3183

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
14879
248610
348610
448511
548511
648412
748412
848313
948313
1058213
1158114
1258114
1358114
1458015
1558015
1658015
1758015
1858114
1958114
2058114
2158114
2258114
2358114
2458114
2558213
2658213
2758213
2858312
2968212
3068212
3168212

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 06 min at the start of January to 12 h 48 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 6:58 AM to 7:16 AM, and sunset from 8:02 PM to 8:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:588:02
213.16:598:02
313.07:008:02
413.07:008:03
513.07:018:03
613.07:018:03
713.07:028:03
813.07:028:04
913.07:038:04
1013.07:048:04
1113.07:048:04
1213.07:058:05
1313.07:058:05
1413.07:068:05
1513.07:078:05
1613.07:078:05
1713.07:088:05
1812.97:088:05
1912.97:098:05
2012.97:108:05
2112.97:108:05
2212.97:118:05
2312.97:118:05
2412.97:128:05
2512.97:138:05
2612.97:138:05
2712.97:148:05
2812.87:148:05
2912.87:158:05
3012.87:158:05
3112.87:168:04

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.53 kWh/m².

For context, solar energy here swings from a low near 4.26 kWh/m² to a high of 5.97 kWh/m² in October across the year — January's 5.53 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
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
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Jataí

In seasonPeak

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

Jataí'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 January a good time to visit Jataí?

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

3.5
Sightseeing
9th-best month of the year
4.4
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Jataí.

What to pack for Jataí in January

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

In January, Jataí sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Jataí 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 Jataí peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 8UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Jataí 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 Jataí is worst in September — around 25 µg/m³ PM2.5 (moderate), about 7.9× the cleanest month (July, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1723 µg/m³Jul 113 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr5Good
May5Good
Jun4Good
Jul3Good
Aug8Good
Sep25Moderate
Oct11Good
Nov5Good
Dec6Good
Location & terrain

Where is Jataí?

Jataí sits at 17.9°S, 51.7°W, 741 m above sea level, in Brazil. The nearest listed city is Rio Verde, 84 km away.

Topography around Jataí

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

Within 3 km, the terrain around Jataí has only modest variations in elevation — a maximum elevation change of 194 m around an average of 723 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 351 m; within 80 km, significant variations in elevation — a maximum elevation change of 583 m.

The land around Jataí is covered by artificial surfaces (54%) and trees (21%) within 3 km, cropland (55%) and trees (27%) within 16 km, and cropland (52%), trees (25%) and grassland (21%) within 80 km.

3 km
194 m
16 km
351 m
80 km
583 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Rio Verde 84 km · Mineiros 94 km · Caiapônia 103 km · Santa Helena de Goiás 119 km · Cassilândia 137 km · Chapadão do Sul 139 km · Quirinópolis 148 km · Acreúna 152 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 Jataí (-17.8794°, -51.7217°, elevation 741 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).