San Rafael Abajo in Summer
In summer (June, July and August), San Rafael Abajo sees average daytime highs around 25°C and overnight lows near 19°C, with 2277 mm of rain over about 92 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 25°C. The sky is clear or mostly clear about 0% of the time across summer, and the air most often feels muggy.
Summer is San Rafael Abajo's weakest season of the year to visit on our travel score. San Rafael Abajo 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 San Rafael Abajo's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 2277 mm
- 92 wet days
- Avg wind
- 3 km/h
- Travel score
- 3.3
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in San Rafael Abajo in Summer
Across summer, daytime highs hold fairly steady around 25°C.
A typical summer day in San Rafael Abajo reaches about 25°C and drops to 19°C overnight. The warmest of the three months is June, the coolest August.
San Rafael Abajo 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 | 25° / 18° | 136 | 22.8 | 11.5 | 5.1 |
| Feb | 26° / 18° | 81 | 18.1 | 11.7 | 5.5 |
| Mar | 27° / 19° | 103 | 21.1 | 11.9 | 5.1 |
| Apr | 26° / 19° | 263 | 27.5 | 12.2 | 3.9 |
| May | 26° / 19° | 660 | 30.9 | 12.4 | 3.3 |
| Jun | 25° / 19° | 720 | 30 | 12.6 | 3.3 |
| Jul | 25° / 19° | 743 | 31 | 12.5 | 3.3 |
| Aug | 25° / 19° | 814 | 31 | 12.3 | 3.3 |
| Sep | 25° / 19° | 748 | 30 | 12.1 | 3.3 |
| Oct | 25° / 19° | 750 | 31 | 11.8 | 3.4 |
| Nov | 25° / 19° | 547 | 29.8 | 11.5 | 3.5 |
| Dec | 25° / 18° | 275 | 27.7 | 11.4 | 4.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
San Rafael Abajo gets around 2277 mm of rain over 92 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 3 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 4.3 kWh/m².
Hazard calendar for San Rafael Abajo
In summer, San Rafael Abajo overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
San Rafael Abajo's rainy season runs May–November, when most of the year's rain falls.
Is summer a good time to visit San Rafael Abajo?
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 San Rafael Abajo.
What to pack for San Rafael Abajo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, San Rafael Abajo sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 92 days see rain.
Sea temperature near San Rafael Abajo 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 37 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 San Rafael Abajo 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 San Rafael Abajo peaks around February 22 at about 14 (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 | 14 | 14 | 14 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in San Rafael Abajo 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 San Rafael Abajo is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× 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 | 17 | 19 | 17 | 18 | 17 | 16 | 14 | 12 | 10 |
| 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 | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is San Rafael Abajo?
San Rafael Abajo sits at 9.8°N, 84.3°W, 826 m above sea level, in Costa Rica. The nearest listed city is Tejar, 12 km away.
Topography around San Rafael Abajo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Rafael Abajo.
Within 3 km, the terrain around San Rafael Abajo has large variations in elevation — a maximum elevation change of 633 m around an average of 860 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,305 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,470 m.
The land around San Rafael Abajo is covered by trees (65%) and grassland (30%) within 3 km, trees (69%) and grassland (28%) within 16 km, and trees (59%) and water (25%) 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 San Rafael Abajo (9.831°, -84.2901°, elevation 826 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.