Arandas in Summer
In summer (June, July and August), Arandas sees average daytime highs around 25°C and overnight lows near 15°C, with 671 mm of rain over about 65 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 29°C in early June to 24°C by late August. The sky is clear or mostly clear about 18% of the time across summer, and the air most often feels comfortable.
Summer is Arandas's weakest season of the year to visit on our travel score. For the whole year in context, see Arandas's year-round climate.
- Avg daytime high
- 25°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 671 mm
- 65 wet days
- Avg wind
- 7 km/h
- Travel score
- 4.9
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Arandas in Summer
Over the season highs ease from about 29°C in early June to 24°C by late August.
A typical summer day in Arandas reaches about 25°C and drops to 15°C overnight. The warmest of the three months is June, the coolest July.
Arandas 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 | 21° / 8° | 18 | 2.7 | 10.9 | 8.0 |
| Feb | 24° / 9° | 12 | 1.9 | 11.3 | 8.6 |
| Mar | 26° / 11° | 11 | 2.1 | 11.9 | 8.4 |
| Apr | 28° / 13° | 9 | 2.1 | 12.5 | 7.4 |
| May | 29° / 15° | 47 | 7.8 | 13 | 6.0 |
| Jun | 27° / 15° | 191 | 18.5 | 13.2 | 5.0 |
| Jul | 25° / 14° | 258 | 23.9 | 13.1 | 4.7 |
| Aug | 25° / 14° | 222 | 22.1 | 12.7 | 5.0 |
| Sep | 24° / 14° | 187 | 19.6 | 12.1 | 5.3 |
| Oct | 24° / 12° | 68 | 9.7 | 11.5 | 7.2 |
| Nov | 23° / 10° | 17 | 3.2 | 11 | 8.4 |
| Dec | 22° / 8° | 7 | 1.5 | 10.8 | 8.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 18% of the time across summer.
Chance of precipitation in Summer
Arandas gets around 671 mm of rain over 65 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 12 min in early June to 12 h 24 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 6.1 kWh/m².
Hazard calendar for Arandas
In summer, Arandas overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Arandas's monsoon runs June–September, when most of the year's rain falls.
Is summer a good time to visit Arandas?
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 reasonable time to visit Arandas for sightseeing.
What to pack for Arandas in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Arandas sees daytime highs around 25°C and nights near 15°C. Pack rain gear and sun protection. Worth having: light clothes. About 65 days see rain.
UV index in Arandas in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arandas peaks around May 19 at about 14 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 11 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 14 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Arandas 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 Arandas is worst in May — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 17 | 16 | 17 | 21 | 15 | 16 | 15 | 17 | 14 | 16 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 17 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 21 | Moderate |
| Jun | 15 | Moderate |
| Jul | 16 | Moderate |
| Aug | 15 | Moderate |
| Sep | 17 | Moderate |
| Oct | 14 | Moderate |
| Nov | 16 | Moderate |
| Dec | 20 | Moderate |
Where is Arandas?
Arandas sits at 20.7°N, 102.3°W, 2,053 m above sea level, in Mexico. The nearest listed city is Atotonilco el Alto, 24 km away.
Topography around Arandas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arandas.
Within 3 km, the terrain around Arandas has only modest variations in elevation — a maximum elevation change of 121 m around an average of 2,072 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 696 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,539 m.
The land around Arandas is covered by cropland (29%), artificial surfaces (29%) and trees (25%) within 3 km, cropland (47%) and trees (25%) within 16 km, and cropland (41%) and shrubs (21%) 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 Arandas (20.7055°, -102.3451°, elevation 2,053 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.