Guamúchil weather in August

In August, Guamúchil sees average daytime highs of 34°C and overnight lows near 25°C, with 166 mm of rain across 17.5 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 11% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 12 min at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Guamúchil's 12th-clearest and 12th-windiest month. For the whole year in context, see Guamúchil's year-round climate.

Daytime high
34°
5th warmest
Overnight low
25°
11th coldest
Rainfall
166 mm
17.5 wet days
Daylight
12 h 54 min
5:49 AM – 6:43 PM
Cloud cover
70%
12th clearest
Wind
5 km/h
12th windiest
Solar energy
5.52 kWh/m²
Travel score
2.3
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical August day in Guamúchil reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, August runs about 1°C cooler than July and on par with September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13525
23525
33525
43525
53525
63525
73525
83525
93525
103525
113525
123525
133525
143425
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263425
273425
283425
293425
303425
313425

How August really feels in Guamúchil

Once humidity and wind are folded in, August averages 31 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
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Guamúchil weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33070
43070
53070
63169
73169
83169
93268
103169
113169
123268
133268
143268
153268
163367
173367
183268
193367
203268
213268
223268
233268
243268
253169
263169
273169
283268
293268
303367
313367

Chance of precipitation in August

Any precipitation

Guamúchil gets around 166 mm of rain over 17.5 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
354
454
554
654
754
855
955
1055
1156
1256
1357
1457
1557
1657
1758
1858
1958
2058
2158
2259
2359
2459
2559
2660
2760
2860
2961
3061
3161

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11387
21387
31387
41288
51288
61189
71189
81189
91090
101090
111090
12991
13991
14991
15991
16892
17892
18892
19991
20991
21991
22991
23991
241090
251090
261090
271090
281090
291189
301189
311189

Wind in August

Winds average 5 km/h in August, the calmest month.

Across August, 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 August

DaylightNight

Daylight runs from about 13 h 12 min at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over August. Sunrise moves from 5:42 AM to 5:56 AM, and sunset from 6:54 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:426:54
213.25:436:54
313.25:436:53
413.15:446:53
513.15:446:52
613.15:456:51
713.15:456:51
813.15:466:50
913.05:466:49
1013.05:476:48
1113.05:476:48
1213.05:486:47
1313.05:486:46
1412.95:496:45
1512.95:496:44
1612.95:496:43
1712.95:506:43
1812.95:506:42
1912.85:516:41
2012.85:516:40
2112.85:526:39
2212.85:526:38
2312.75:536:37
2412.75:536:36
2512.75:536:35
2612.75:546:34
2712.65:546:33
2812.65:556:32
2912.65:556:31
3012.65:556:30
3112.55:566:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.52 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 — August's 5.52 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Guamúchil

In seasonPeak

In August, Guamúchil sits inside its pacific hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

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 August a good time to visit Guamúchil?

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

2.3
Sightseeing
10th-best month of the year
4.7
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Guamúchil.

What to pack for Guamúchil in August

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

In August, Guamúchil sees daytime highs around 34°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Guamúchil in August

The nearest coast averages about 30°C in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).