La Fortuna in Spring
In spring (March, April and May), La Fortuna sees average daytime highs around 28°C and overnight lows near 21°C, with 338 mm of rain over about 41 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across spring, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 27% of the time across spring, and the air most often feels muggy.
Spring is La Fortuna's 2nd-best season to visit on our travel score. La Fortuna 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 La Fortuna's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 338 mm
- 41 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in La Fortuna in Spring
Across spring, daytime highs hold fairly steady around 28°C.
A typical spring day in La Fortuna reaches about 28°C and drops to 21°C overnight. The warmest of the three months is April, the coolest March.
La Fortuna 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 | 26° / 19° | 110 | 15.3 | 11.5 | 6.1 |
| Feb | 26° / 19° | 54 | 8.1 | 11.7 | 7.1 |
| Mar | 28° / 20° | 32 | 6.6 | 11.9 | 7.0 |
| Apr | 29° / 21° | 52 | 10 | 12.2 | 5.5 |
| May | 28° / 21° | 255 | 24.6 | 12.5 | 3.7 |
| Jun | 28° / 21° | 304 | 28.8 | 12.6 | 3.3 |
| Jul | 27° / 21° | 260 | 28.1 | 12.6 | 3.6 |
| Aug | 28° / 21° | 243 | 28.5 | 12.3 | 3.5 |
| Sep | 28° / 21° | 288 | 29 | 12.1 | 3.3 |
| Oct | 27° / 21° | 319 | 29.7 | 11.8 | 3.4 |
| Nov | 26° / 20° | 291 | 26 | 11.5 | 3.9 |
| Dec | 26° / 20° | 197 | 21.9 | 11.4 | 4.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 27% of the time across spring.
Chance of precipitation in Spring
La Fortuna gets around 338 mm of rain over 41 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 48 min in early March to 12 h 36 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 5.4 kWh/m².
Is spring a good time to visit La Fortuna?
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 La Fortuna for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for La Fortuna in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, La Fortuna sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
Sea temperature near La Fortuna 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 66 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 La Fortuna 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 La Fortuna peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 | 13 | 13 | 12 | 13 | 13 | 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 | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in La Fortuna 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 La Fortuna is worst in May — around 23 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 10 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) | 10 | 11 | 13 | 21 | 23 | 21 | 22 | 20 | 18 | 15 | 12 | 10 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 13 | Moderate |
| Apr | 21 | Moderate |
| May | 23 | Moderate |
| Jun | 21 | Moderate |
| Jul | 22 | Moderate |
| Aug | 20 | Moderate |
| Sep | 18 | Moderate |
| Oct | 15 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is La Fortuna?
La Fortuna sits at 10.5°N, 84.6°W, 0 m above sea level, in Costa Rica. The nearest listed city is Monteverde, 26 km away.
Topography around La Fortuna
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of La Fortuna.
Within 3 km, the terrain around La Fortuna has significant variations in elevation — a maximum elevation change of 281 m around an average of 270 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,738 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,891 m.
The land around La Fortuna is covered by grassland (55%) and trees (42%) within 3 km, trees (63%) and grassland (35%) within 16 km, and trees (63%) and grassland (26%) 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 La Fortuna (10.4709°, -84.6453°, elevation 0 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.