San José del Valle weather in January

In January, San José del Valle sees average daytime highs of 25°C and overnight lows near 18°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 25°C through the month. The sky is clear or mostly clear about 54% of the time in January, and the air most often feels humid.

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 San José del Valle's 6th-clearest and 5th-windiest month. For the whole year in context, see San José del Valle's year-round climate.

Daytime high
25°
12th warmest
Overnight low
18°
1st coldest
Rainfall
27 mm
2.7 wet days
Daylight
10 h 54 min
6:44 AM – 5:36 PM
Cloud cover
42%
6th clearest
Wind
6 km/h
5th windiest
Solar energy
4.64 kWh/m²
Travel score
8.3
out of 10

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 San José del Valle 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 23°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°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
262518
272518
282518
292518
302518
312518

How January really feels in San José del Valle

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.

San José del Valle 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
Jan25° / 18°272.710.98.3
Feb25° / 18°20211.38.5
Mar26° / 18°9111.98.6
Apr27° / 19°20.412.58.4
May28° / 22°71.4137.4
Jun29° / 24°17015.513.24.8
Jul29° / 24°25125.613.13.3
Aug29° / 24°33828.212.73.1
Sep29° / 24°33627.712.13.1
Oct29° / 23°14416.911.54.8
Nov28° / 21°304.7117.4
Dec26° / 19°222.510.88.1

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 (%)
16337
26436
36436
46436
56436
66535
76535
86535
96535
106436
116535
126535
136535
146535
156535
166634
176634
186634
196634
206634
216733
226733
236733
246733
256733
266733
276733
286733
296634
306634
316733

Chance of precipitation in January

Any precipitation

San José del Valle 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 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
48
58
68
78
87
97
107
117
127
137
148
158
168
178
188
199
209
219
229
2310
2410
2510
2611
2711
2811
2911
3011
3111

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1346501
2347491
3347481
4448471
5449461
6550441
7552430
8653410
9655390
10755380
11757360
12758350
13759340
14859330
15859330
16860320
17761320
18761320
19761320
20761320
21761320
22662320
23662320
24662320
25662320
26662320
27662320
28662320
29662320
30662320
31662320

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 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 6:41 AM to 6:43 AM, and sunset from 5:27 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:415:27
210.86:425:27
310.86:425:28
410.86:425:29
510.86:425:29
610.86:435:30
710.86:435:30
810.86:435:31
910.86:435:32
1010.86:445:32
1110.86:445:33
1210.86:445:34
1310.86:445:34
1410.86:445:35
1510.96:445:36
1610.96:445:36
1710.96:445:37
1810.96:445:37
1910.96:445:38
2010.96:445:39
2110.96:445:39
2210.96:445:40
2310.96:445:41
2411.06:445:41
2511.06:445:42
2611.06:445:43
2711.06:445:43
2811.06:435:44
2911.06:435:45
3011.06:435:45
3111.16:435:46

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.64 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 7.33 kWh/m² in May across the year — January's 4.64 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in January

Hazard calendar for San José del Valle

In seasonPeak

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

San José del Valle sits in the eastern Pacific hurricane zone; the season peaks August–September.

San José del Valle's monsoon runs June–September, when most of the year's rain falls.

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

Is January a good time to visit San José del Valle?

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

8.3
Sightseeing
4th-best month of the year
7.4
Beach & pool
7th-best month of the year

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

What to pack for San José del Valle in January

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

In January, San José del Valle sees daytime highs around 25°C and nights near 18°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near San José del Valle in January

The nearest coast averages about 25°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in August at about 30°C and coldest in March near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Warm
Apr25Warm
May27Warm
Jun28Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov28Tropical
Dec26Warm

UV index in San José del Valle in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San José del Valle peaks around May 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 11UV 13Dec 16UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar11Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in San José del Valle 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 San José del Valle is worst in May — around 24 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (February, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1823 µg/m³Feb 158 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr11Good
May24Moderate
Jun15Moderate
Jul10Good
Aug10Good
Sep9Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is San José del Valle?

San José del Valle sits at 20.8°N, 105.2°W, 24 m above sea level, in Mexico. The nearest listed city is Ixtapa, 6.0 km away.

Topography around San José del Valle

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San José del Valle.

Within 3 km, the terrain around San José del Valle has only modest variations in elevation — a maximum elevation change of 55 m around an average of 22 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,708 m.

The land around San José del Valle is covered by cropland (53%) and trees (20%) within 3 km, trees (55%) within 16 km, and trees (58%) and water (31%) within 80 km.

3 km
55 m
16 km
1,205 m
80 km
2,708 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Ixtapa 6.0 km · Mezcales 7.0 km · Bucerías 11 km · Puerto Vallarta 16 km · Sayulita 25 km · Compostela 63 km · Xalisco 83 km · El Salto 90 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 San José del Valle (20.7638°, -105.2281°, elevation 24 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).