Bastos weather in January

In January, Bastos sees average daytime highs of 30°C and overnight lows near 22°C, with 233 mm of rain across 21.7 wet days and about 13.2 hours of daylight. It is the 4th-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 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 Bastos's 12th-clearest and 10th-windiest month. For the whole year in context, see Bastos's year-round climate.

Daytime high
30°
4th warmest
Overnight low
22°
12th coldest
Rainfall
233 mm
21.7 wet days
Daylight
13 h 12 min
6:56 AM – 8:08 PM
Cloud cover
73%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
5.67 kWh/m²
Travel score
3.5
out of 10

Bastos 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 Bastos reaches about 30°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 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)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How January really feels in Bastos

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.

Bastos weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23321.713.23.5
Feb30° / 22°18119.112.83.6
Mar30° / 21°13517.112.24.2
Apr29° / 19°647.911.55.7
May27° / 16°616.3117.3
Jun26° / 15°424.710.77.8
Jul27° / 15°263.610.88.0
Aug29° / 16°313.611.26.9
Sep30° / 18°767.711.95.4
Oct31° / 20°12012.512.54.4
Nov31° / 20°13614.4134.1
Dec31° / 21°18119.413.33.6

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
52773
62575
72575
82674
92674
102575
112575
122575
132674
142674
152773
162773
172872
182971
193070
203070
213070
223169
233169
243268
253268
263466
273466
283466
293565
303565
313664

Chance of precipitation in January

Any precipitation

Bastos gets around 233 mm of rain over 21.7 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 69% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
369
470
570
670
771
871
971
1071
1170
1270
1370
1469
1569
1669
1769
1868
1968
2068
2168
2268
2368
2468
2568
2668
2768
2868
2968
3068
3168

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1093754
2083755
3083656
4073657
5073657
6073657
7063757
8063757
9163756
10153856
11153856
12153856
13153955
14153955
15153955
16153955
17153955
18163954
19163954
20163855
21173755
22173656
23173557
24183457
25183457
26183358
27183259
28183160
29183061
30193060
31192961

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
199calm
209calm
219calm
229calm
239calm
249calm
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 6:47 AM to 7:06 AM, and sunset from 8:06 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:478:06
213.36:478:06
313.36:488:06
413.36:488:06
513.36:498:07
613.36:508:07
713.36:508:07
813.36:518:07
913.36:528:08
1013.36:528:08
1113.36:538:08
1213.26:538:08
1313.26:548:08
1413.26:558:08
1513.26:558:08
1613.26:568:08
1713.26:578:08
1813.26:578:08
1913.26:588:08
2013.26:598:08
2113.16:598:08
2213.17:008:08
2313.17:018:08
2413.17:018:08
2513.17:028:08
2613.17:038:08
2713.17:038:07
2813.17:048:07
2913.07:058:07
3013.07:058:07
3113.07:068:07

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 3.67 kWh/m² to a high of 6.14 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
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Bastos

In seasonPeak

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

Bastos'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 Bastos?

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

3.5
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 Bastos.

What to pack for Bastos in January

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

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

light clothesrain gearsun protection

UV index in Bastos 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 Bastos peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Bastos 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 Bastos is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1718 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May9Good
Jun8Good
Jul8Good
Aug12Good
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Bastos?

Bastos sits at 21.9°S, 50.7°W, 460 m above sea level, in Brazil. The nearest listed city is Osvaldo Cruz, 20 km away.

Topography around Bastos

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

Within 3 km, the terrain around Bastos has only modest variations in elevation — a maximum elevation change of 126 m around an average of 456 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, significant variations in elevation — a maximum elevation change of 417 m.

The land around Bastos is covered by cropland (33%), grassland (29%) and trees (21%) within 3 km, cropland (55%) and grassland (28%) within 16 km, and cropland (53%) and grassland (33%) within 80 km.

3 km
126 m
16 km
211 m
80 km
417 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Osvaldo Cruz 20 km · Tupã 23 km · Lucélia 37 km · Rancharia 38 km · Adamantina 44 km · Martinópolis 51 km · Paraguaçu Paulista 57 km · Pompéia 62 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 Bastos (-21.9219°, -50.7339°, elevation 460 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).