Sumpango in Summer
In summer (June, July and August), Sumpango sees average daytime highs around 24°C and overnight lows near 15°C, with 473 mm of rain over about 60 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels comfortable.
Summer is Sumpango's weakest season of the year to visit on our travel score. For the whole year in context, see Sumpango's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 473 mm
- 60 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Sumpango in Summer
Across summer, daytime highs hold fairly steady around 24°C.
A typical summer day in Sumpango reaches about 24°C and drops to 15°C overnight. The warmest of the three months is August, the coolest July.
Sumpango 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 | 23° / 11° | 6 | 1.8 | 11.2 | 8.5 |
| Feb | 24° / 12° | 5 | 1.3 | 11.5 | 8.7 |
| Mar | 26° / 13° | 15 | 3.8 | 11.9 | 8.0 |
| Apr | 26° / 14° | 51 | 7.9 | 12.3 | 7.0 |
| May | 25° / 15° | 133 | 17.7 | 12.7 | 5.4 |
| Jun | 24° / 15° | 221 | 23.9 | 12.8 | 4.5 |
| Jul | 24° / 14° | 116 | 17.3 | 12.8 | 5.5 |
| Aug | 24° / 14° | 136 | 19.1 | 12.5 | 5.3 |
| Sep | 24° / 15° | 204 | 24.1 | 12.1 | 4.4 |
| Oct | 23° / 14° | 152 | 19 | 11.7 | 5.2 |
| Nov | 22° / 13° | 41 | 7.1 | 11.3 | 7.1 |
| Dec | 23° / 12° | 13 | 2.8 | 11.1 | 8.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Sumpango gets around 473 mm of rain over 60 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 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 48 min in early June to 12 h 18 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 5.4 kWh/m².
Hazard calendar for Sumpango
In summer, Sumpango overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Sumpango's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Sumpango?
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 Sumpango for sightseeing.
What to pack for Sumpango in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sumpango sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 60 days see rain.
UV index in Sumpango 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 Sumpango peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (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) | 10 | 14 | 14 | 15 | 13 | 13 | 13 | 13 | 13 | 12 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 15 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in Sumpango 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 Sumpango is worst in April — around 48 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (August, 22 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) | 26 | 26 | 31 | 48 | 37 | 25 | 23 | 22 | 24 | 23 | 22 | 24 |
| Level | Moderate | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 26 | Moderate |
| Feb | 26 | Moderate |
| Mar | 31 | Moderate |
| Apr | 48 | Poor |
| May | 37 | Poor |
| Jun | 25 | Moderate |
| Jul | 23 | Moderate |
| Aug | 22 | Moderate |
| Sep | 24 | Moderate |
| Oct | 23 | Moderate |
| Nov | 22 | Moderate |
| Dec | 24 | Moderate |
Where is Sumpango?
Sumpango sits at 14.6°N, 90.7°W, 1,900 m above sea level, in Guatemala. The nearest listed city is El Tejar, 6.0 km away.
Topography around Sumpango
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sumpango.
Within 3 km, the terrain around Sumpango has significant variations in elevation — a maximum elevation change of 496 m around an average of 1,895 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,560 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,937 m.
The land around Sumpango is covered by trees (39%) and cropland (37%) within 3 km, trees (68%) within 16 km, and trees (65%) within 80 km.
Guatemala travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 43% of US
- price level, 2025
- GDP per capita
- $6,598
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 23.4
- per 100k, 2023
- Road deaths
- 22.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 510
- 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 Sumpango (14.6462°, -90.7343°, elevation 1,900 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.