Martinópolis weather in January

In January, Martinópolis sees average daytime highs of 30°C and overnight lows near 22°C, with 242 mm of rain across 22 wet days and about 13.2 hours of daylight. It is the 2nd-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 Martinópolis's 12th-clearest and 10th-windiest month. For the whole year in context, see Martinópolis's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
22°
12th coldest
Rainfall
242 mm
22 wet days
Daylight
13 h 12 min
6:57 AM – 8:10 PM
Cloud cover
73%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
5.75 kWh/m²
Travel score
3.4
out of 10

Martinópolis is 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 Martinópolis 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.

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 Martinópolis

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.

Martinópolis 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
Jan30° / 22°2422213.23.4
Feb30° / 22°19419.412.83.5
Mar30° / 21°1491712.24.2
Apr29° / 19°748.711.55.8
May26° / 17°757.2117.3
Jun25° / 16°545.610.77.8
Jul26° / 15°354.110.88.0
Aug28° / 16°38411.27.3
Sep30° / 18°938.211.95.7
Oct30° / 20°14213.412.54.5
Nov30° / 20°14814.513.14.2
Dec31° / 21°19119.813.33.6

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 14% of January, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42872
52872
62773
72773
82773
92773
102773
112773
122773
132872
142872
152971
162971
172971
182971
193070
203169
213070
223070
233070
243169
253169
263169
273268
283268
293367
303466
313466

Chance of precipitation in January

Any precipitation

Martinópolis gets around 242 mm of rain over 22 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 73% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
170
271
371
472
572
672
773
873
972
1072
1172
1271
1370
1470
1569
1668
1768
1868
1968
2068
2168
2268
2369
2469
2569
2669
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 57% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10834580
20834580
31833580
41733590
51733590
61733590
71634590
81634581
91634581
101635571
111536571
121536571
131537561
141537561
151637551
161638550
171638550
181638550
191637560
201737550
211737550
221736560
231736560
241735570
251834570
261834570
271833580
281833580
291833580
301833580
311832590

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 6:48 AM to 7:07 AM, and sunset from 8:08 PM to 8:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:488:08
213.36:488:08
313.36:498:08
413.36:508:09
513.36:508:09
613.36:518:09
713.36:528:09
813.36:528:10
913.36:538:10
1013.36:538:10
1113.36:548:10
1213.36:558:10
1313.26:558:10
1413.26:568:10
1513.26:578:10
1613.26:578:10
1713.26:588:11
1813.26:598:11
1913.26:598:10
2013.27:008:10
2113.27:018:10
2213.17:018:10
2313.17:028:10
2413.17:038:10
2513.17:038:10
2613.17:048:10
2713.17:058:10
2813.17:058:09
2913.07:068:09
3013.07:078:09
3113.07:078:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.75 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 6.2 kWh/m² in November across the year — January's 5.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
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 Martinópolis

In seasonPeak

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

Martinópolis'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 Martinópolis?

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

3.4
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 Martinópolis.

What to pack for Martinópolis in January

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

In January, Martinópolis 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 Martinópolis 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 Martinópolis 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
Aug7Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Martinópolis 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 Martinópolis is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1618 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May9Good
Jun10Good
Jul9Good
Aug13Moderate
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Martinópolis?

Martinópolis sits at 22.1°S, 51.2°W, 501 m above sea level, in Brazil. The nearest listed city is Regente Feijó, 16 km away.

Topography around Martinópolis

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

Within 3 km, the terrain around Martinópolis has only modest variations in elevation — a maximum elevation change of 97 m around an average of 470 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 225 m; within 80 km, significant variations in elevation — a maximum elevation change of 343 m.

The land around Martinópolis is covered by grassland (40%) and cropland (31%) within 3 km, cropland (46%) and grassland (36%) within 16 km, and cropland (49%) and grassland (37%) within 80 km.

3 km
97 m
16 km
225 m
80 km
343 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Regente Feijó 16 km · Presidente Prudente 23 km · Rancharia 30 km · Álvares Machado 32 km · Pirapozinho 37 km · Osvaldo Cruz 49 km · Lucélia 50 km · Bastos 51 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 Martinópolis (-22.1458°, -51.1708°, elevation 501 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).