Matías Romero Avendaño weather in January

In January, Matías Romero Avendaño sees average daytime highs of 25°C and overnight lows near 18°C, with 47 mm of rain across 10.9 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 27% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Matías Romero Avendaño's 5th-clearest and 3rd-windiest month. For the whole year in context, see Matías Romero Avendaño's year-round climate.

Daytime high
25°
12th warmest
Overnight low
18°
1st coldest
Rainfall
47 mm
10.9 wet days
Daylight
11 h 06 min
6:57 AM – 6:02 PM
Cloud cover
62%
5th clearest
Wind
17 km/h
3rd windiest
Solar energy
3.77 kWh/m²
Travel score
6.7
out of 10

Matías Romero Avendaño is municipal seat of Matías Romero, State of Oaxaca, Mexico.

Density
13/km²
people per km²

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 25°C through the month.

A typical January day in Matías Romero Avendaño reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12518
22518
32518
42518
52518
62518
72518
82518
92518
102518
112518
122518
132518
142518
152518
162518
172518
182518
192518
202518
212518
222518
232518
242518
252518
262618
272618
282618
292618
302618
312618

How January really feels in Matías Romero Avendaño

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Matías Romero Avendaño weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°4710.911.16.7
Feb27° / 19°347.211.46.7
Mar30° / 20°286.411.95.6
Apr33° / 22°255.412.44.2
May33° / 23°6210.512.83.3
Jun32° / 23°19020.7132.9
Jul30° / 23°21125.312.93.0
Aug30° / 23°23126.412.63.0
Sep30° / 23°23923.712.13.3
Oct28° / 22°16819.311.64.5
Nov27° / 20°8714.411.25.8
Dec25° / 19°4710.8116.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53862
63862
73961
84060
93961
104060
114060
124258
134357
144456
154456
164456
174357
184357
194456
204456
214456
224555
234456
244456
254456
264357
274357
284357
294258
304258
314357

Chance of precipitation in January

Any precipitation

Matías Romero Avendaño gets around 47 mm of rain over 10.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
335
435
536
636
736
836
936
1036
1136
1236
1336
1435
1535
1636
1736
1836
1936
2036
2135
2235
2334
2433
2533
2632
2732
2832
2931
3031
3131

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131434454
231434454
331534454
431533453
531633453
631633443
741634433
841734433
941734423
1041734413
1141835413
1241835413
1341835413
1441835413
1531835413
1631835413
1731835412
1831836412
1931836412
2031836412
2131836412
2231737412
2331737412
2431637422
2531637422
2631537422
2731537432
2831537432
2931537433
3031437433
3121437433

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:53 AM to 6:56 AM, and sunset from 5:54 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:535:54
211.06:535:54
311.06:545:55
411.06:545:55
511.06:545:56
611.06:555:56
711.06:555:57
811.06:555:58
911.06:555:58
1011.16:565:59
1111.16:565:59
1211.16:566:00
1311.16:566:00
1411.16:566:01
1511.16:566:02
1611.16:576:02
1711.16:576:03
1811.16:576:03
1911.16:576:04
2011.16:576:05
2111.16:576:05
2211.16:576:06
2311.26:576:06
2411.26:576:07
2511.26:576:07
2611.26:576:08
2711.26:576:09
2811.26:576:09
2911.26:576:10
3011.26:566:10
3111.26:566:11

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.77 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 6.42 kWh/m² in April across the year — January's 3.77 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Bright
294.0Bright
304.0Bright
314.1Bright
Planning a trip in January

Hazard calendar for Matías Romero Avendaño

In seasonPeak

None of Matías Romero Avendaño's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Matías Romero Avendaño's monsoon runs June–October, 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 Matías Romero Avendaño?

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

6.7
Sightseeing
1st-best month of the year
6.1
Beach & pool
4th-best month of the year

January is a reasonable time to visit Matías Romero Avendaño for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Matías Romero Avendaño in January

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

In January, Matías Romero Avendaño sees daytime highs around 25°C and nights near 18°C. Worth packing: light clothes and rain gear. About 11 days see rain.

light clothesrain gear

UV index in Matías Romero Avendaño in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matías Romero Avendaño peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 13Dec 18UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Matías Romero Avendaño 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 Matías Romero Avendaño is worst in May — around 53 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (January, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodMay 1650 µg/m³Jan 1510 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar16Moderate
Apr27Moderate
May53Poor
Jun26Moderate
Jul29Moderate
Aug22Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Matías Romero Avendaño?

Matías Romero Avendaño sits at 16.9°N, 95.0°W, 186 m above sea level, in Mexico. The nearest listed city is Ixtepec, 36 km away.

Topography around Matías Romero Avendaño

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

Within 3 km, the terrain around Matías Romero Avendaño has only modest variations in elevation — a maximum elevation change of 92 m around an average of 205 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,088 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,304 m.

The land around Matías Romero Avendaño is covered by trees (46%) and grassland (38%) within 3 km, trees (62%) and grassland (36%) within 16 km, and trees (61%) and grassland (23%) within 80 km.

3 km
92 m
16 km
1,088 m
80 km
2,304 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Ixtepec 36 km · Heroica Ciudad de Juchitán de Zaragoza 49 km · Santo Domingo Tehuantepec 65 km · Salina Cruz 80 km · Acayucan 120 km · Jáltipan de Morelos 126 km · Cosoleacaque 132 km · Minatitlán 135 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Matías Romero Avendaño (16.8774°, -95.0382°, elevation 186 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).