Jamay weather in January

In January, Jamay sees average daytime highs of 24°C and overnight lows near 10°C, with 16 mm of rain across 1.9 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 24°C through the month. The sky is clear or mostly clear about 55% 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 Jamay's 5th-clearest and 8th-windiest month. For the whole year in context, see Jamay's year-round climate.

Daytime high
24°
12th warmest
Overnight low
10°
1st coldest
Rainfall
16 mm
1.9 wet days
Daylight
10 h 54 min
7:33 AM – 6:27 PM
Cloud cover
39%
5th clearest
Wind
5 km/h
8th windiest
Solar energy
4.98 kWh/m²
Travel score
8.6
out of 10

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

Density
4,915/km²
people per km²
Founded
1584

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 Jamay reaches about 24°C in the afternoon and slips back to 10°C overnight — a 13°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)
12410
22410
32410
42410
52410
62410
72410
82410
92410
102410
112410
122410
132410
142410
152410
162410
172410
182410
192410
202410
212410
222411
232411
242411
252411
262411
272411
282411
292411
302411
312411

Jamay 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
Jan24° / 10°161.910.98.6
Feb26° / 12°111.711.38.5
Mar28° / 13°91.311.97.8
Apr30° / 15°41.412.56.1
May31° / 17°205.212.95.2
Jun29° / 18°8816.613.24.5
Jul27° / 17°11021.513.14.8
Aug27° / 17°9720.412.74.8
Sep27° / 17°9517.112.15.3
Oct27° / 16°397.611.56.9
Nov26° / 13°142.6118.3
Dec24° / 11°61.410.88.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36634
46634
56733
66832
76832
86931
96931
107030
117030
127129
137129
147129
157129
167228
177228
187129
197129
207228
217228
227129
237129
247129
257129
267030
277030
287030
297030
306931
317030

Chance of precipitation in January

Any precipitation

Jamay 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 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
86
96
106
116
127
137
147
157
167
177
187
197
207
217
227
237
247
257
268
278
288
299
309
319

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 (%)
1991
2991
3991
4991
5991
6991
7991
8991
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

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 5 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
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 7:30 AM to 7:32 AM, and sunset from 6:18 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:306:18
210.87:316:18
310.87:316:19
410.87:316:19
510.87:316:20
610.87:326:21
710.87:326:21
810.87:326:22
910.87:326:23
1010.87:336:23
1110.97:336:24
1210.97:336:24
1310.97:336:25
1410.97:336:26
1510.97:336:26
1610.97:336:27
1710.97:336:28
1810.97:336:28
1910.97:336:29
2010.97:336:30
2110.97:336:30
2211.07:336:31
2311.07:336:31
2411.07:336:32
2511.07:336:33
2611.07:336:33
2711.07:336:34
2811.07:336:35
2911.07:326:35
3011.17:326:36
3111.17:326:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 7.48 kWh/m² in April across the year — January's 4.98 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Jamay

In seasonPeak

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

Jamay sits in the eastern Pacific hurricane zone; the season peaks August–September.

Jamay's rainy season runs June–September, when most of the year's rain falls.

Pacific hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Jamay?

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

8.6
Sightseeing
2nd-best month of the year
7.2
Beach & pool
7th-best month of the year

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

What to pack for Jamay in January

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

In January, Jamay sees daytime highs around 24°C and nights near 10°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Jamay 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 Jamay peaks around May 18 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 highMay 18UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Jamay 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 Jamay is worst in May — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Jul 2015 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb20Moderate
Mar21Moderate
Apr31Moderate
May32Moderate
Jun17Moderate
Jul15Moderate
Aug16Moderate
Sep18Moderate
Oct18Moderate
Nov20Moderate
Dec25Moderate
Location & terrain

Where is Jamay?

Jamay sits at 20.3°N, 102.7°W, 1,569 m above sea level, in Mexico. The nearest listed city is Ocotlán, 9.0 km away.

Topography around Jamay

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

Within 3 km, the terrain around Jamay has significant variations in elevation — a maximum elevation change of 453 m around an average of 1,591 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 493 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,792 m.

The land around Jamay is covered by trees (23%), water (21%) and shrubs (20%) within 3 km, cropland (48%) and water (24%) within 16 km, and trees (31%) and cropland (31%) within 80 km.

3 km
453 m
16 km
493 m
80 km
2,792 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ocotlán 9.0 km · La Barca 17 km · Sahuayo de Morelos 26 km · Jiquilpan de Juárez 34 km · Atotonilco el Alto 35 km · Yurécuaro 45 km · Chapala 50 km · Zapotlanejo 52 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 Jamay (20.2948°, -102.7094°, elevation 1,569 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).