Mayagüez weather in March

In March, Mayagüez sees average daytime highs of 26°C and overnight lows near 24°C, with 28 mm of rain across 9.1 wet days and about 11.9 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 59% 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 Mayagüez's 4th-clearest and 5th-windiest month. For the whole year in context, see Mayagüez's year-round climate.

Daytime high
26°
12th warmest
Overnight low
24°
2nd coldest
Rainfall
28 mm
9.1 wet days
Daylight
11 h 54 min
6:42 AM – 6:34 PM
Cloud cover
38%
4th clearest
Wind
14 km/h
5th windiest
Solar energy
6.25 kWh/m²
Travel score
7.2
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical March day in Mayagüez reaches about 26°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 27°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)
12624
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624
312624

How March really feels in Mayagüez

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.

Mayagüez weather by month

How March compares with the rest of the year at a glance. March is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°164.9117.8
Feb26° / 24°196.311.47.6
Mar26° / 24°289.111.97.2
Apr27° / 24°3610.512.46.7
May28° / 25°7014.812.85.7
Jun29° / 26°4713.213.15.1
Jul29° / 26°5114.4135.0
Aug29° / 27°6716.812.64.6
Sep29° / 26°9817.412.14.6
Oct28° / 26°7115.611.65.1
Nov28° / 25°5510.311.16.4
Dec27° / 25°184.610.97.7

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 27% of March, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68713
78614
88614
98614
108713
118713
128713
138713
148713
158614
168713
178713
188614
198515
208515
218515
228515
238515
248515
258416
268416
278416
288416
298317
308416
318416

Chance of precipitation in March

Any precipitation

Mayagüez gets around 28 mm of rain over 9.1 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 29% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
122
222
322
422
522
623
723
824
924
1025
1125
1226
1326
1427
1528
1628
1729
1830
1931
2032
2133
2233
2334
2435
2535
2636
2736
2837
2937
3037
3137

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11117612
21117513
31127413
41127314
51137214
61137115
71137115
81137115
91137016
101137016
111137016
121127017
131127017
141126918
150117019
160116920
170106921
180106822
19096823
20086725
21086626
22076627
23076528
24076330
25076231
26076033
27075934
28065935
29065737
30065638
31065539

Wind in March

Winds average 14 km/h in March.

Across March, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2813light breeze
2913light breeze
3014light breeze
3114light breeze

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 6:53 AM to 6:29 AM, and sunset from 6:30 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:536:30
211.66:536:31
311.66:526:31
411.76:516:31
511.76:516:31
611.76:506:32
711.76:496:32
811.76:486:32
911.76:486:33
1011.86:476:33
1111.86:466:33
1211.86:456:33
1311.86:446:34
1411.86:446:34
1511.96:436:34
1611.96:426:34
1711.96:416:35
1811.96:406:35
1911.96:406:35
2011.96:396:35
2112.06:386:36
2212.06:376:36
2312.06:366:36
2412.06:356:36
2512.06:356:36
2612.06:346:37
2712.16:336:37
2812.16:326:37
2912.16:316:37
3012.16:306:37
3112.16:296:38

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.25 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.69 kWh/m² in April across the year — March's 6.25 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in March

Hazard calendar for Mayagüez

In seasonPeak

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

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

Mayagüez's rainy season runs May–November, when most of the year's rain falls.

Mayagüez sees seasonal dust haze (July), heaviest in July.

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

Is March a good time to visit Mayagüez?

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

7.2
Sightseeing
4th-best month of the year
7.0
Beach & pool
4th-best month of the year

March is one of the better times to visit Mayagüez for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mayagüez in March

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

In March, Mayagüez sees daytime highs around 26°C and nights near 24°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Mayagüez in March

The nearest coast averages about 27°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Mayagüez 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 Mayagüez peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 12UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Mayagüez 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 Mayagüez is worst in July — around 25 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (January, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1025 µg/m³Jan 105 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar7Good
Apr8Good
May15Moderate
Jun25Moderate
Jul25Moderate
Aug21Moderate
Sep15Moderate
Oct15Moderate
Nov8Good
Dec5Good
Location & terrain

Where is Mayagüez?

Mayagüez sits at 18.2°N, 67.1°W, 21 m above sea level, in Puerto Rico. The nearest listed city is San Germán, 17 km away.

San GermánAguadillaLa PargueraYaucoAreciboPonceBarcelonetaManatí

Topography around Mayagüez

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mayagüez.

Within 3 km, the terrain around Mayagüez has significant variations in elevation — a maximum elevation change of 265 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 766 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,307 m.

The land around Mayagüez is covered by trees (51%) and artificial surfaces (30%) within 3 km, trees (55%) and water (31%) within 16 km, and water (71%) and trees (23%) within 80 km.

3 km
265 m
16 km
766 m
80 km
1,307 m
treesgrasslandartificial surfaceswater
March weather nearby: San Germán 17 km · Aguadilla 25 km · La Parguera 27 km · Yauco 36 km · Arecibo 54 km · Ponce 58 km · Barceloneta 69 km · Manatí 73 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 Mayagüez (18.2011°, -67.1396°, elevation 21 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).