Trujillo Alto in Spring
In spring (March, April and May), Trujillo Alto sees average daytime highs around 28°C and overnight lows near 22°C, with 283 mm of rain over about 54 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 27°C in early March to 29°C by late May. The sky is clear or mostly clear about 27% of the time across spring, and the air most often feels oppressive.
Spring is Trujillo Alto's 2nd-best season to visit on our travel score. Trujillo Alto 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 Trujillo Alto's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 283 mm
- 54 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.2
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Trujillo Alto in Spring
Over the season highs climb from about 27°C in early March to 29°C by late May.
A typical spring day in Trujillo Alto reaches about 28°C and drops to 22°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Trujillo Alto
Once humidity and wind are folded in, spring brings about 8 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Trujillo Alto 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° / 22° | 49 | 15.7 | 11 | 6.0 |
| Feb | 27° / 21° | 39 | 13 | 11.4 | 6.2 |
| Mar | 27° / 22° | 55 | 14.8 | 11.9 | 6.0 |
| Apr | 28° / 22° | 87 | 17.7 | 12.4 | 5.3 |
| May | 28° / 23° | 142 | 21.9 | 12.9 | 4.2 |
| Jun | 29° / 24° | 99 | 20.8 | 13.1 | 4.0 |
| Jul | 29° / 24° | 110 | 21.8 | 13 | 3.9 |
| Aug | 30° / 25° | 127 | 24 | 12.6 | 3.6 |
| Sep | 29° / 24° | 168 | 25.2 | 12.1 | 3.4 |
| Oct | 29° / 24° | 156 | 24.9 | 11.6 | 3.6 |
| Nov | 28° / 23° | 124 | 22.3 | 11.1 | 4.5 |
| Dec | 27° / 22° | 59 | 16.5 | 10.9 | 5.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 27% of the time across spring.
Chance of precipitation in Spring
Trujillo Alto gets around 283 mm of rain over 54 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 36 min in early March to 13 hours 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 6.3 kWh/m².
Hazard calendar for Trujillo Alto
None of Trujillo Alto's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Trujillo Alto sits in the Atlantic hurricane belt; the season peaks August–October.
Trujillo Alto sees seasonal dust haze (July), heaviest in July.
Is spring a good time to visit Trujillo Alto?
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 Trujillo Alto for sightseeing.
What to pack for Trujillo Alto in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Trujillo Alto sees daytime highs around 28°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 54 days see rain.
Sea temperature near Trujillo Alto in Spring
The nearest coast averages about 27°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 33 km away) is warmest in September at about 29°C and coldest in February near 26°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) | 27 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 27 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Trujillo Alto in Spring
Clear-sky midday UV across spring 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 Trujillo Alto peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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) | 8 | 10 | 12 | 13 | 11 | 12 | 12 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Trujillo Alto 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 Trujillo Alto is worst in July — around 25 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (January, 5 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) | 5 | 7 | 7 | 9 | 14 | 24 | 25 | 20 | 15 | 15 | 8 | 5 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 9 | Good |
| May | 14 | Moderate |
| Jun | 24 | Moderate |
| Jul | 25 | Moderate |
| Aug | 20 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 8 | Good |
| Dec | 5 | Good |
Where is Trujillo Alto?
Trujillo Alto sits at 18.4°N, 66.0°W, 20 m above sea level, in Puerto Rico. The nearest listed city is Carolina, 6.0 km away.
Topography around Trujillo Alto
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trujillo Alto.
Within 3 km, the terrain around Trujillo Alto has only modest variations in elevation — a maximum elevation change of 211 m around an average of 65 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,308 m.
The land around Trujillo Alto is covered by trees (61%) and artificial surfaces (36%) within 3 km, trees (51%) and artificial surfaces (25%) within 16 km, and water (64%) and trees (28%) within 80 km.
Puerto Rico travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 78% of US
- price level, 2025
- GDP per capita
- $40,620
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2015
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 14.6
- per 100k, 2023
- Income group
- High
- World Bank
- 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 Trujillo Alto (18.3547°, -66.0074°, elevation 20 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.