Trujillo Alto weather in March

In March, Trujillo Alto sees average daytime highs of 27°C and overnight lows near 22°C, with 55 mm of rain across 14.8 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 39% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Trujillo Alto's 4th-clearest and 6th-windiest month. For the whole year in context, see Trujillo Alto's year-round climate.

Daytime high
27°
9th warmest
Overnight low
22°
3rd coldest
Rainfall
55 mm
14.8 wet days
Daylight
11 h 54 min
6:38 AM – 6:30 PM
Cloud cover
48%
4th clearest
Wind
11 km/h
6th windiest
Solar energy
6.09 kWh/m²
Travel score
6.0
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical March day in Trujillo Alto reaches about 27°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, March runs on par with February and on par with April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142722
152722
162722
172722
182722
192722
202722
212722
222722
232722
242722
252722
262722
272722
282722
292722
302722
312722

How March really feels in Trujillo Alto

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Trujillo Alto weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°4915.7116.0
Feb27° / 21°391311.46.2
Mar27° / 22°5514.811.96.0
Apr28° / 22°8717.712.45.3
May28° / 23°14221.912.94.2
Jun29° / 24°9920.813.14.0
Jul29° / 24°11021.8133.9
Aug30° / 25°1272412.63.6
Sep29° / 24°16825.212.13.4
Oct29° / 24°15624.911.63.6
Nov28° / 23°12422.311.14.5
Dec27° / 22°5916.510.95.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 36% of March, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
27921
37822
47723
57723
67723
77723
87624
97624
107624
117723
127624
137624
147723
157723
167723
177624
187525
197525
207525
217426
227327
237327
247228
257129
267129
277030
287030
296931
306931
316931

Chance of precipitation in March

Any precipitation

Trujillo Alto gets around 55 mm of rain over 14.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
344
444
543
643
743
843
943
1043
1143
1243
1344
1444
1544
1645
1746
1847
1948
2049
2150
2251
2352
2453
2554
2655
2755
2856
2956
3056
3157

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the muggy band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11127215
21127215
31137115
41137115
51137115
62146915
72146915
82146915
92146915
101137115
111137115
121137016
131127116
141127116
151127017
161117018
171117018
181107019
19197020
20196921
21196723
22186724
23086725
24086626
25086428
26086329
27076330
28076132
29076033
30075835
31075736

Wind in March

Winds average 11 km/h in March.

Across March, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 36 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over March. Sunrise moves from 6:49 AM to 6:25 AM, and sunset from 6:26 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:496:26
211.66:486:26
311.66:486:26
411.76:476:27
511.76:466:27
611.76:456:27
711.76:456:27
811.76:446:28
911.76:436:28
1011.86:426:28
1111.86:426:29
1211.86:416:29
1311.86:406:29
1411.86:396:29
1511.96:386:30
1611.96:386:30
1711.96:376:30
1811.96:366:30
1911.96:356:31
2011.96:346:31
2112.06:336:31
2212.06:336:31
2312.06:326:31
2412.06:316:32
2512.06:306:32
2612.06:296:32
2712.16:286:32
2812.16:276:33
2912.16:276:33
3012.16:266:33
3112.16:256:33

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.09 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.55 kWh/m² in June across the year — March's 6.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in March

Hazard calendar for Trujillo Alto

In seasonPeak

None of Trujillo Alto's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Trujillo Alto sits in the Atlantic hurricane belt; the season peaks August–October.

Trujillo Alto sees seasonal dust haze (July), heaviest in July.

Atlantic hurricane
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Trujillo Alto?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.0
Sightseeing
2nd-best month of the year
6.1
Beach & pool
2nd-best month of the year

March is a reasonable time to visit Trujillo Alto for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Trujillo Alto in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Trujillo Alto sees daytime highs around 27°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Trujillo Alto in March

The nearest coast averages about 26°C in March — 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.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Trujillo Alto in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 13UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Trujillo Alto in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1125 µg/m³Jan 15 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar7Good
Apr9Good
May14Moderate
Jun24Moderate
Jul25Moderate
Aug20Moderate
Sep15Moderate
Oct15Moderate
Nov8Good
Dec5Good
Location & terrain

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.

San JuanBayamónLevittownCandelaria

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.

3 km
211 m
16 km
573 m
80 km
1,308 m
treesgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Carolina 6.0 km · Guaynabo 11 km · Caguas 14 km · Cataño 15 km · San Juan 16 km · Bayamón 16 km · Levittown 21 km · Candelaria 22 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
Roman Catholic 56%Protestant 33%none 7%other 2%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).