Jales weather in January

In January, Jales sees average daytime highs of 30°C and overnight lows near 22°C, with 241 mm of rain across 23.4 wet days and about 13.1 hours of daylight. It is the 7th-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 13% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of January to 12 h 54 min by month's end. Set against the rest of the year, January is Jales's 12th-clearest and 10th-windiest month. For the whole year in context, see Jales's year-round climate.

Daytime high
30°
7th warmest
Overnight low
22°
12th coldest
Rainfall
241 mm
23.4 wet days
Daylight
13 h 06 min
6:58 AM – 8:05 PM
Cloud cover
76%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
5.68 kWh/m²
Travel score
3.2
out of 10

Jales 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 Jales reaches about 30°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 27°C and 33°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
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How January really feels in Jales

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.

Jales weather by month

How January compares with the rest of the year at a glance. January is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°24123.413.13.2
Feb31° / 22°18320.412.73.3
Mar30° / 22°16620.212.13.7
Apr30° / 20°649.111.55.2
May28° / 18°435.511.17.0
Jun28° / 17°202.510.87.7
Jul29° / 17°121.910.97.2
Aug31° / 18°172.211.35.8
Sep32° / 20°526.211.94.4
Oct32° / 22°10013.212.53.6
Nov31° / 22°15617.5133.5
Dec31° / 22°21022.113.23.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42674
52674
62674
72575
82674
92674
102575
112575
122575
132674
142674
152674
162674
172773
182674
192674
202773
212872
222872
232872
242872
252872
263070
273070
283070
293169
303169
313268

Chance of precipitation in January

Any precipitation

Jales gets around 241 mm of rain over 23.4 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 75% and peaks near 76% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
173
274
374
474
574
675
775
875
974
1074
1174
1274
1374
1474
1574
1674
1774
1875
1975
2075
2175
2276
2376
2476
2576
2676
2776
2876
2975
3075
3174

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10224740
20223750
30223750
40223750
50223750
60224740
70224740
80225730
90226720
100226720
110227710
120128710
130128710
140129700
150129700
160129700
170129700
180128710
190128710
200127720
210126730
220225730
230224740
240223750
250222760
260221770
271220770
281219780
291219780
301218790
311318771

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 12 min at the start of January to 12 h 54 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 6:49 AM to 7:08 AM, and sunset from 8:02 PM to 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.26:498:02
213.26:508:02
313.26:508:02
413.26:518:02
513.26:518:03
613.26:528:03
713.26:538:03
813.26:538:03
913.26:548:04
1013.26:558:04
1113.16:558:04
1213.16:568:04
1313.16:568:04
1413.16:578:04
1513.16:588:05
1613.16:588:05
1713.16:598:05
1813.17:008:05
1913.17:008:05
2013.17:018:05
2113.17:028:05
2213.07:028:05
2313.07:038:05
2413.07:038:04
2513.07:048:04
2613.07:058:04
2713.07:058:04
2813.07:068:04
2913.07:078:04
3012.97:078:03
3112.97:088:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.68 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.16 kWh/m² in October across the year — January's 5.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
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
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in January

Hazard calendar for Jales

In seasonPeak

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

Jales'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 Jales?

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

3.2
Sightseeing
12th-best month of the year
4.6
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Jales.

What to pack for Jales in January

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

In January, Jales sees daytime highs around 30°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 Jales 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 Jales peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 23UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jales 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 Jales is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1721 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr8Good
May8Good
Jun7Good
Jul7Good
Aug11Good
Sep22Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Jales?

Jales sits at 20.3°S, 50.5°W, 507 m above sea level, in Brazil. The nearest listed city is Fernandópolis, 31 km away.

Topography around Jales

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

Within 3 km, the terrain around Jales has only modest variations in elevation — a maximum elevation change of 132 m around an average of 475 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, only modest variations in elevation — a maximum elevation change of 243 m.

The land around Jales is covered by artificial surfaces (37%) and grassland (30%) within 3 km, cropland (42%) and grassland (39%) within 16 km, and cropland (44%) and grassland (35%) within 80 km.

3 km
132 m
16 km
196 m
80 km
243 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Fernandópolis 31 km · Santa Fé do Sul 40 km · Aparecida do Taboado 61 km · Votuporanga 62 km · Iturama 70 km · Pereira Barreto 72 km · Ilha Solteira 85 km · Paranaíba 94 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 Jales (-20.2689°, -50.5458°, elevation 507 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).