San Pablo in Spring
In spring (March, April and May), San Pablo sees average daytime highs around 23°C and overnight lows near 15°C, with 524 mm of rain over about 60 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 10% of the time across spring, and the air most often feels humid.
Spring is San Pablo's 2nd-best season to visit on our travel score. San Pablo 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 Pablo's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 15°C
- Rainfall
- 524 mm
- 60 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.1
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in San Pablo in Spring
Across spring, daytime highs hold fairly steady around 23°C.
A typical spring day in San Pablo reaches about 23°C and drops to 15°C overnight. The warmest of the three months is April, the coolest March.
San Pablo weather by month
How the three spring months (March, April and May) 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° / 14° | 104 | 13.3 | 11.5 | 6.0 |
| Feb | 22° / 14° | 68 | 11.9 | 11.7 | 6.2 |
| Mar | 23° / 14° | 65 | 13.9 | 11.9 | 6.1 |
| Apr | 23° / 15° | 102 | 18 | 12.2 | 5.3 |
| May | 23° / 16° | 357 | 27.8 | 12.5 | 3.8 |
| Jun | 23° / 16° | 385 | 28.8 | 12.6 | 3.5 |
| Jul | 23° / 16° | 293 | 28.2 | 12.5 | 3.7 |
| Aug | 23° / 16° | 345 | 28.5 | 12.3 | 3.7 |
| Sep | 23° / 16° | 391 | 29.1 | 12.1 | 3.5 |
| Oct | 22° / 16° | 430 | 30.1 | 11.8 | 3.4 |
| Nov | 22° / 15° | 312 | 25.5 | 11.5 | 4.0 |
| Dec | 21° / 15° | 170 | 17.8 | 11.4 | 5.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 10% of the time across spring.
Chance of precipitation in Spring
San Pablo gets around 524 mm of rain over 60 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 6 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early March to 12 h 30 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².
Is spring a good time to visit San Pablo?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit San Pablo for sightseeing.
What to pack for San Pablo in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, San Pablo sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 60 days see rain.
Sea temperature near San Pablo in Spring
The nearest coast averages about 29°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 59 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 Pablo in Spring
Clear-sky midday UV across spring averages around 14 (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 Pablo peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).
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) | 12 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 10 | Extreme |
Air quality in San Pablo in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in San Pablo 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 Pablo?
San Pablo sits at 10.0°N, 84.1°W, 1,203 m above sea level, in Costa Rica. The nearest listed city is Heredia, 2.0 km away.
Topography around San Pablo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Pablo.
Within 3 km, the terrain around San Pablo has significant variations in elevation — a maximum elevation change of 359 m around an average of 1,190 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,217 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,470 m.
The land around San Pablo is covered by artificial surfaces (54%) and trees (35%) within 3 km, trees (58%) and artificial surfaces (28%) within 16 km, and trees (72%) 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 Pablo (9.9956°, -84.0966°, elevation 1,203 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.