Guamúchil in Summer
In summer (June, July and August), Guamúchil sees average daytime highs around 35°C and overnight lows near 25°C, with 311 mm of rain over about 36 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs ease from about 37°C in early June to 34°C by late August. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels miserable.
Summer is Guamúchil's weakest season of the year to visit on our travel score. For the whole year in context, see Guamúchil's year-round climate.
- Avg daytime high
- 35°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 311 mm
- 36 wet days
- Avg wind
- 6 km/h
- Travel score
- 2.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Guamúchil in Summer
Over the season highs ease from about 37°C in early June to 34°C by late August.
A typical summer day in Guamúchil reaches about 35°C and drops to 25°C overnight. The warmest of the three months is June, the coolest June.
How summer really feels in Guamúchil
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Guamúchil weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 12° | 19 | 1.9 | 10.6 | 7.8 |
| Feb | 29° / 13° | 16 | 1.8 | 11.1 | 6.7 |
| Mar | 31° / 14° | 4 | 0.6 | 11.8 | 5.5 |
| Apr | 34° / 16° | 1 | 0.3 | 12.6 | 3.9 |
| May | 36° / 19° | 1 | 0.3 | 13.2 | 2.6 |
| Jun | 37° / 24° | 15 | 2.8 | 13.6 | 2.0 |
| Jul | 35° / 25° | 130 | 15.2 | 13.4 | 2.0 |
| Aug | 34° / 25° | 166 | 17.5 | 12.9 | 2.3 |
| Sep | 34° / 25° | 131 | 14 | 12.2 | 2.7 |
| Oct | 35° / 21° | 35 | 4 | 11.4 | 3.1 |
| Nov | 32° / 16° | 44 | 2.2 | 10.8 | 5.1 |
| Dec | 28° / 13° | 22 | 2.1 | 10.4 | 7.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
Guamúchil gets around 311 mm of rain over 36 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 30 min in early June to 12 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.2 kWh/m².
Hazard calendar for Guamúchil
In summer, Guamúchil overlaps 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.
Is summer a good time to visit Guamúchil?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Guamúchil.
What to pack for Guamúchil in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Guamúchil sees daytime highs around 35°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 36 days see rain.
Sea temperature near Guamúchil in Summer
The nearest coast averages about 29°C across summer — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 20 | 20 | 22 | 25 | 28 | 30 | 30 | 30 | 29 | 26 | 22 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 20 | Refreshing |
| Mar | 20 | Refreshing |
| Apr | 22 | Refreshing |
| May | 25 | Warm |
| Jun | 28 | Warm |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 26 | Warm |
| Dec | 22 | Refreshing |
UV index in Guamúchil in Summer
Clear-sky midday UV across summer averages around 12 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 7 | 9 | 11 | 12 | 11 | 12 | 11 | 10 | 8 | 6 | 5 |
| Level | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 11 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Guamúchil in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 10 | 11 | 20 | 16 | 14 | 11 | 11 | 10 | 9 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
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.
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
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.