Guamúchil weather in January

In January, Guamúchil sees average daytime highs of 28°C and overnight lows near 12°C, with 19 mm of rain across 1.9 wet days and about 10.6 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 57% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of January to 10 h 48 min by month's end. Set against the rest of the year, January is Guamúchil's 7th-clearest and 6th-windiest month. For the whole year in context, see Guamúchil's year-round climate.

Daytime high
28°
12th warmest
Overnight low
12°
1st coldest
Rainfall
19 mm
1.9 wet days
Daylight
10 h 36 min
7:04 AM – 5:39 PM
Cloud cover
38%
7th clearest
Wind
6 km/h
6th windiest
Solar energy
4.34 kWh/m²
Travel score
7.8
out of 10

Guamúchil is municipal seat of Salvador Alvarado, State of Sinaloa, 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 28°C through the month.

A typical January day in Guamúchil reaches about 28°C in the afternoon and slips back to 12°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12812
22812
32812
42812
52812
62812
72812
82812
92812
102812
112812
122812
132812
142812
152812
162812
172812
182812
192812
202812
212812
222812
232812
242812
252812
262812
272812
282812
292812
302812
312812

How January really feels in Guamúchil

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.

Guamúchil 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
Jan28° / 12°191.910.67.8
Feb29° / 13°161.811.16.7
Mar31° / 14°40.611.85.5
Apr34° / 16°10.312.63.9
May36° / 19°10.313.22.6
Jun37° / 24°152.813.62.0
Jul35° / 25°13015.213.42.0
Aug34° / 25°16617.512.92.3
Sep34° / 25°1311412.22.7
Oct35° / 21°35411.43.1
Nov32° / 16°442.210.85.1
Dec28° / 13°222.110.47.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46832
56832
66832
76832
86931
96931
106832
116832
126832
136931
146931
156931
166931
176931
186931
196931
206931
216931
226931
236931
246931
257030
266931
276832
286832
296832
306832
316733

Chance of precipitation in January

Any precipitation

Guamúchil gets around 19 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 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
86
96
106
116
126
136
146
156
166
176
186
196
206
216
226
236
247
257
267
277
288
298
308
318

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172235
271236
372226
472226
573216
673216
774206
875196
975196
1077185
1177185
1277185
1377185
1478184
1578184
1678184
1777194
1878193
1977203
2077203
2176213
2276213
2375223
2475223
2575223
2675223
2774224
2874224
2974224
3073234
3173234

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 24 min at the start of January to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 7:02 AM to 7:01 AM, and sunset from 5:29 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:025:29
210.47:035:29
310.47:035:30
410.57:035:30
510.57:035:31
610.57:045:32
710.57:045:32
810.57:045:33
910.57:045:34
1010.57:045:35
1110.57:045:35
1210.57:045:36
1310.57:045:37
1410.57:045:37
1510.67:045:38
1610.67:045:39
1710.67:045:40
1810.67:045:40
1910.67:045:41
2010.67:045:42
2110.67:045:42
2210.77:045:43
2310.77:045:44
2410.77:035:45
2510.77:035:45
2610.77:035:46
2710.77:035:47
2810.87:025:48
2910.87:025:48
3010.87:025:49
3110.87:015:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.34 kWh/m².

For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 7.92 kWh/m² in May across the year — January's 4.34 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
314.7Bright
Planning a trip in January

Hazard calendar for Guamúchil

In seasonPeak

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

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

Guamúchil's rainy season runs July–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 Guamúchil?

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

7.8
Sightseeing
1st-best month of the year
8.4
Beach & pool
2nd-best month of the year

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

What to pack for Guamúchil in January

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

In January, Guamúchil sees daytime highs around 28°C and nights near 12°C. Pack light clothes.

light clothes

Sea temperature near Guamúchil in January

The nearest coast averages about 20°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 48 km away) is warmest in August at about 30°C and coldest in February near 20°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Refreshing
Mar20Refreshing
Apr22Refreshing
May25Warm
Jun28Warm
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov26Warm
Dec22Refreshing

UV index in Guamúchil in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guamúchil peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 17UV 12Dec 19UV 5
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr11Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Guamúchil 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 Guamúchil is worst in May — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1919 µg/m³Jan 148 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr11Good
May20Moderate
Jun16Moderate
Jul14Moderate
Aug11Good
Sep11Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Guamúchil?

Guamúchil sits at 25.5°N, 108.1°W, 46 m above sea level, in Mexico. The nearest listed city is Guasave, 41 km away.

Topography around Guamúchil

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

Within 3 km, the terrain around Guamúchil has only modest variations in elevation — a maximum elevation change of 118 m around an average of 54 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 615 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,277 m.

The land around Guamúchil is covered by artificial surfaces (41%) within 3 km, cropland (56%) within 16 km, and trees (37%) and cropland (27%) within 80 km.

3 km
118 m
16 km
615 m
80 km
2,277 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Guasave 41 km · Gabriel Leyva Solano 60 km · Juan José Ríos 82 km · Navolato 86 km · Los Mochis 99 km · Culiacán 100 km · Licenciado Benito Juárez 104 km · Costa Rica 119 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 Guamúchil (25.4587°, -108.0773°, elevation 46 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).