Puntarenas in Summer
In summer (June, July and August), Puntarenas sees average daytime highs around 28°C and overnight lows near 23°C, with 1195 mm of rain over about 91 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 0% of the time across summer, and the air most often feels oppressive.
Summer is Puntarenas's weakest season of the year to visit on our travel score. Puntarenas has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Puntarenas's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 1195 mm
- 91 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Puntarenas in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Puntarenas reaches about 28°C and drops to 23°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Puntarenas
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Puntarenas 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° / 23° | 24 | 8 | 11.5 | 5.9 |
| Feb | 31° / 23° | 16 | 4.5 | 11.7 | 5.7 |
| Mar | 31° / 23° | 30 | 9.7 | 11.9 | 4.9 |
| Apr | 30° / 24° | 122 | 22.5 | 12.2 | 3.7 |
| May | 28° / 24° | 412 | 29.9 | 12.5 | 3.1 |
| Jun | 28° / 24° | 412 | 29.7 | 12.6 | 3.0 |
| Jul | 28° / 24° | 369 | 30.5 | 12.5 | 3.2 |
| Aug | 28° / 23° | 414 | 30.7 | 12.3 | 3.2 |
| Sep | 28° / 23° | 409 | 29.8 | 12.1 | 3.2 |
| Oct | 27° / 23° | 479 | 30.6 | 11.8 | 3.2 |
| Nov | 28° / 23° | 282 | 27.2 | 11.5 | 3.7 |
| Dec | 28° / 23° | 82 | 17.6 | 11.4 | 5.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
Puntarenas gets around 1195 mm of rain over 91 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 30 min in early June to 12 h 12 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 4.6 kWh/m².
Hazard calendar for Puntarenas
In summer, Puntarenas overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Puntarenas's rainy season runs May–November, when most of the year's rain falls.
Is summer a good time to visit Puntarenas?
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 Puntarenas.
What to pack for Puntarenas in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Puntarenas sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 91 days see rain.
Sea temperature near Puntarenas 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 26 km away) is warmest in April at about 29°C and coldest in November 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Puntarenas 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 Puntarenas peaks around March 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (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) | 11 | 13 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Puntarenas 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 Puntarenas is worst in May — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 9 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) | 9 | 10 | 11 | 16 | 18 | 16 | 17 | 15 | 14 | 12 | 11 | 9 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 16 | Moderate |
| May | 18 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 12 | Moderate |
| Nov | 11 | Good |
| Dec | 9 | Good |
Where is Puntarenas?
Puntarenas sits at 10.0°N, 84.8°W, 1 m above sea level, in Costa Rica. The nearest listed city is Chacarita, 7.0 km away.
Topography around Puntarenas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Puntarenas.
Within 3 km, the terrain around Puntarenas has only modest variations in elevation — a maximum elevation change of 27 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 413 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,692 m.
The land around Puntarenas is covered by water (74%) within 3 km, water (53%) and trees (21%) within 16 km, and trees (49%) and water (30%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- 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 Puntarenas (9.9769°, -84.8379°, elevation 1 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.