Masagua in Summer
In summer (June, July and August), Masagua sees average daytime highs around 28°C and overnight lows near 20°C, with 1038 mm of rain over about 89 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 2% of the time across summer, and the air most often feels muggy.
Summer is Masagua's weakest season of the year to visit on our travel score. For the whole year in context, see Masagua's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 20°C
- Rainfall
- 1038 mm
- 89 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.3
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Masagua in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Masagua reaches about 28°C and drops to 20°C overnight. The warmest of the three months is July, the coolest July.
Masagua 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 | 29° / 18° | 10 | 3.1 | 11.3 | 7.1 |
| Feb | 30° / 18° | 9 | 2.7 | 11.5 | 6.6 |
| Mar | 30° / 19° | 29 | 7.7 | 11.9 | 5.7 |
| Apr | 30° / 20° | 86 | 17.2 | 12.3 | 4.5 |
| May | 28° / 20° | 299 | 27.8 | 12.6 | 3.5 |
| Jun | 28° / 20° | 360 | 28.8 | 12.8 | 3.3 |
| Jul | 28° / 20° | 320 | 30.2 | 12.8 | 3.2 |
| Aug | 28° / 20° | 358 | 30.4 | 12.5 | 3.3 |
| Sep | 27° / 20° | 421 | 29.5 | 12.1 | 3.3 |
| Oct | 27° / 20° | 413 | 28.8 | 11.7 | 3.6 |
| Nov | 28° / 19° | 146 | 19.2 | 11.3 | 5.2 |
| Dec | 28° / 18° | 27 | 7.4 | 11.2 | 6.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 2% of the time across summer.
Chance of precipitation in Summer
Masagua gets around 1038 mm of rain over 89 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 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 5.5 kWh/m².
Hazard calendar for Masagua
In summer, Masagua overlaps its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Masagua sits in the Atlantic hurricane belt; the season peaks August–October.
Masagua's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Masagua?
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 Masagua.
What to pack for Masagua in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Masagua sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 89 days see rain.
Sea temperature near Masagua in Summer
The nearest coast averages about 30°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 37 km away) is warmest in August at about 30°C and coldest in January near 28°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) | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Masagua 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 Masagua peaks around April 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (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) | 9 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 10 | 11 | 8 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 9 | Very high |
Air quality in Masagua 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 Masagua is worst in April — around 47 µg/m³ PM2.5 (poor), 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) | 33 | 34 | 37 | 47 | 44 | 31 | 30 | 30 | 33 | 37 | 40 | 37 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 34 | Moderate |
| Mar | 37 | Poor |
| Apr | 47 | Poor |
| May | 44 | Poor |
| Jun | 31 | Moderate |
| Jul | 30 | Moderate |
| Aug | 30 | Moderate |
| Sep | 33 | Moderate |
| Oct | 37 | Poor |
| Nov | 40 | Poor |
| Dec | 37 | Poor |
Where is Masagua?
Masagua sits at 14.2°N, 90.8°W, 118 m above sea level, in Guatemala. The nearest listed city is Escuintla, 13 km away.
Topography around Masagua
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Masagua.
Within 3 km, the terrain around Masagua has only modest variations in elevation — a maximum elevation change of 75 m around an average of 112 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 950 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,945 m.
The land around Masagua is covered by cropland (35%), trees (33%) and grassland (28%) within 3 km, trees (39%), grassland (31%) and cropland (26%) within 16 km, and trees (46%) and water (23%) 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 Masagua (14.2031°, -90.8481°, elevation 118 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.