Sayula weather in January

In January, Sayula sees average daytime highs of 23°C and overnight lows near 8°C, with 27 mm of rain across 2.7 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 54% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Sayula's 5th-clearest and 4th-windiest month. For the whole year in context, see Sayula's year-round climate.

Daytime high
23°
12th warmest
Overnight low
1st coldest
Rainfall
27 mm
2.7 wet days
Daylight
10 h 54 min
7:36 AM – 6:31 PM
Cloud cover
41%
5th clearest
Wind
5 km/h
4th windiest
Solar energy
4.95 kWh/m²
Travel score
8.4
out of 10

Sayula is municipal seat of Sayula, State of Jalisco, Mexico.

Density
3,152/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 23°C through the month.

A typical January day in Sayula reaches about 23°C in the afternoon and slips back to 8°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 20°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)
1238
2238
3238
4238
5238
6238
7238
8238
9238
10238
11238
12238
13238
14238
15238
16238
17238
18238
19238
20248
21248
22248
23248
24248
25248
26248
27248
28248
29248
30249
31249

Sayula weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 272.710.98.4
Feb25° / 182.511.38.4
Mar27° / 10°142.111.98.0
Apr30° / 12°7212.46.5
May30° / 14°346.712.95.5
Jun28° / 16°13018.313.24.8
Jul26° / 15°16223.713.14.5
Aug26° / 15°14523.512.74.6
Sep25° / 15°1352012.15.0
Oct26° / 14°6510.711.56.6
Nov25° / 11°24411.18.2
Dec24° / 122.110.88.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46337
56337
66436
76436
86436
96535
106535
116634
126634
136634
146535
156634
166634
176733
186733
196733
206832
216832
226733
236832
246832
256832
266733
276832
286832
296832
306832
316832

Chance of precipitation in January

Any precipitation

Sayula gets around 27 mm of rain over 2.7 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 9% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
68
78
88
98
108
118
128
139
149
159
169
179
189
199
209
219
2210
2310
2410
2511
2611
2712
2812
2913
3013
3113

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 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 18 minutes over January. Sunrise moves from 7:33 AM to 7:35 AM, and sunset from 6:22 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:336:22
210.87:336:23
310.87:346:23
410.87:346:24
510.87:346:24
610.87:356:25
710.87:356:26
810.97:356:26
910.97:356:27
1010.97:356:27
1110.97:366:28
1210.97:366:29
1310.97:366:29
1410.97:366:30
1510.97:366:31
1610.97:366:31
1710.97:366:32
1810.97:366:33
1910.97:366:33
2011.07:366:34
2111.07:366:34
2211.07:366:35
2311.07:366:36
2411.07:366:36
2511.07:366:37
2611.07:366:38
2711.07:366:38
2811.17:356:39
2911.17:356:39
3011.17:356:40
3111.17:356:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.95 kWh/m².

For context, solar energy here swings from a low near 4.75 kWh/m² to a high of 7.5 kWh/m² in April across the year — January's 4.95 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Sayula

In seasonPeak

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

Sayula's rainy season runs June–September, 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 Sayula?

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

8.4
Sightseeing
2nd-best month of the year
6.7
Beach & pool
7th-best month of the year

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

What to pack for Sayula in January

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

In January, Sayula sees daytime highs around 23°C and nights near 8°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Sayula 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 Sayula peaks around May 12 at about 14 (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 highMay 12UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Sayula 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 Sayula is worst in May — around 44 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (July, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1342 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr33Moderate
May44Poor
Jun17Moderate
Jul14Moderate
Aug15Moderate
Sep17Moderate
Oct17Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is Sayula?

Sayula sits at 19.9°N, 103.6°W, 1,351 m above sea level, in Mexico. The nearest listed city is Ciudad Guzmán, 25 km away.

Topography around Sayula

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

Within 3 km, the terrain around Sayula has significant variations in elevation — a maximum elevation change of 504 m around an average of 1,403 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,349 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,910 m.

The land around Sayula is covered by cropland (26%), grassland (23%) and trees (21%) within 3 km, trees (42%) and grassland (25%) within 16 km, and trees (53%) within 80 km.

3 km
504 m
16 km
1,349 m
80 km
3,910 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ciudad Guzmán 25 km · Zapotiltic 34 km · Zacoalco de Torres 38 km · Tamazula de Gordiano 43 km · Tuxpan 43 km · Jocotepec 48 km · Cocula 58 km · Chapala 63 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 Sayula (19.8837°, -103.6007°, elevation 1,351 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).