Ario de Rosales weather in January

In January, Ario de Rosales sees average daytime highs of 24°C and overnight lows near 9°C, with 16 mm of rain across 1.9 wet days and about 11 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 63% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Ario de Rosales's 3rd-clearest and 4th-windiest month. For the whole year in context, see Ario de Rosales's year-round climate.

Daytime high
24°
12th warmest
Overnight low
1st coldest
Rainfall
16 mm
1.9 wet days
Daylight
11 hours
7:27 AM – 6:25 PM
Cloud cover
34%
3rd clearest
Wind
6 km/h
4th windiest
Solar energy
5.04 kWh/m²
Travel score
8.7
out of 10

Ario de Rosales is municipal seat of Ario, State of Michoacán, Mexico.

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 24°C through the month.

A typical January day in Ario de Rosales reaches about 24°C in the afternoon and slips back to 9°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1239
2239
3239
4239
5239
6239
7239
8239
9239
10239
11239
12239
13239
14239
15239
16249
17249
18249
19249
20249
21249
22249
23249
24249
25249
26249
27249
28249
29249
30249
31249

Ario de Rosales weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 161.9118.7
Feb25° / 10°121.311.38.8
Mar27° / 11°11111.98.5
Apr29° / 13°20.612.47.2
May29° / 15°469.812.95.8
Jun26° / 16°29825.813.14.1
Jul25° / 16°38830.3133.6
Aug25° / 16°43730.212.73.6
Sep25° / 15°41828.912.13.7
Oct25° / 14°18722.811.64.9
Nov25° / 12°407.311.17.7
Dec24° / 71.510.98.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27426
37426
47525
57525
67525
77525
87525
97624
107723
117723
127723
137723
147723
157723
167723
177723
187723
197723
207723
217624
227525
237525
247525
257525
267525
277525
287525
297525
307525
317525

Chance of precipitation in January

Any precipitation

Ario de Rosales gets around 16 mm of rain over 1.9 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 6% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
65
75
85
95
106
116
126
136
146
157
167
177
187
197
207
217
227
237
247
257
267
277
287
297
307
317

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min at the start of January to 11 h 06 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 7:24 AM to 7:26 AM, and sunset from 6:16 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:246:16
210.97:246:16
310.97:256:17
410.97:256:18
510.97:256:18
610.97:266:19
710.97:266:19
810.97:266:20
910.97:266:21
1010.97:276:21
1110.97:276:22
1210.97:276:22
1310.97:276:23
1410.97:276:24
1510.97:276:24
1611.07:276:25
1711.07:276:26
1811.07:276:26
1911.07:286:27
2011.07:286:27
2111.07:286:28
2211.07:276:29
2311.07:276:29
2411.07:276:30
2511.17:276:30
2611.17:276:31
2711.17:276:32
2811.17:276:32
2911.17:276:33
3011.17:276:33
3111.17:266:34

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.04 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 7.44 kWh/m² in April across the year — January's 5.04 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.4Bright
Planning a trip in January

Hazard calendar for Ario de Rosales

In seasonPeak

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

Ario de Rosales's monsoon runs June–September, 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 Ario de Rosales?

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

8.7
Sightseeing
3rd-best month of the year
7.1
Beach & pool
6th-best month of the year

January is one of the better times to visit Ario de Rosales for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ario de Rosales in January

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

In January, Ario de Rosales sees daytime highs around 24°C and nights near 9°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Ario de Rosales in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ario de Rosales peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 11UV 13Dec 15UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Ario de Rosales 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 Ario de Rosales is worst in May — around 32 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (February, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1031 µg/m³Feb 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb13Moderate
Mar15Moderate
Apr31Moderate
May32Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep16Moderate
Oct15Moderate
Nov15Moderate
Dec18Moderate
Location & terrain

Where is Ario de Rosales?

Ario de Rosales sits at 19.2°N, 101.7°W, 1,868 m above sea level, in Mexico. The nearest listed city is Tacámbaro de Codallos, 27 km away.

Topography around Ario de Rosales

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

Within 3 km, the terrain around Ario de Rosales has significant variations in elevation — a maximum elevation change of 524 m around an average of 1,900 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,054 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,662 m.

The land around Ario de Rosales is covered by trees (67%) and grassland (21%) within 3 km, trees (75%) within 16 km, and trees (57%) and shrubs (20%) within 80 km.

3 km
524 m
16 km
2,054 m
80 km
3,662 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Tacámbaro de Codallos 27 km · Pátzcuaro 35 km · Uruapan 43 km · Nueva Italia de Ruiz 45 km · Paracho de Verduzco 60 km · Zacapu 68 km · Apatzingán 69 km · Morelia 78 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 Ario de Rosales (19.2083°, -101.709°, elevation 1,868 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).