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Shaded-relief map of Palmas del Mar, Puerto Rico: rivers, roads, the city limits and where the water drains.
PUERTO RICO · HUMACAO MUNICIPIO

Palmas del Mar

3,124 people, 20 ft above sea level in Humacao Municipio.

20 ftElevation, city center
3,124People, 2024 estimate
3 sq miLand area
Clear 84°
Clear now Dew point 75° · SSE 6 mph · high 81°
City of Palmas del Mar River Interstate 2 miles
Explore the plate Order a print

The Palmas del Mar plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.

MILE1
TODAY

Today in Palmas del Mar

NWS forecast and National Blend of Models · updated 8:00 PM AST
RIGHT NOW Luis Munoz Marin International Airport (TJSJ) · 8:56 PM
Clear
84° Clear Feels like 92° · high of 81° near 9 PM
WindSSE 6 mphno gusts
Humidity74%rising to 85% by morning
Pressure30.02 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 75° · Oppressiveabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Monday, about 3 AMin about 30 hours · 66% chance · showers
LIKELY AMOUNT0–0 inmost likely 0; 1 in 10 over 0.07
LAST RAINNov. 80.61 in · 6 dry days
ALERTS & OUTLOOKS
No watches or warnings for Humacao Municipio
NWS San Juan and the Storm Prediction Center · checked 9:17 PM
SUN & MOON
↑ 6:28 AM5:46 PM ↓
11 h 18 m of daylight, 1 minute less than yesterday
Waxing crescent, 27% lit. Next full moon: Nov. 24.
AIR & POLLEN
65
MODERATEAir quality index · fine particles
No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
SATURDAY, NOV. 14
SUNDAY, NOV. 15
MONDAY, NOV. 16
TUESDAY, NOV. 17
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
partly cloudy night
partly cloudy night
mostly cloudy night
mostly cloudy day
mostly cloudy day
partly cloudy day
mostly cloudy day
partly cloudy night
mostly cloudy night
mostly cloudy night
rain
rain
rain
showers day
showers day
rain
showers night
showers night
showers night
showers day
showers day
showers day
showers day
showers night
TEMPERATURE °F
81°
79°
88°
79°
87°
79°
87°
CHANCE OF RAIN
79% · 0.18 in Tuesday afternoon 50%
WIND, MPH
13
12
10
10
12
12
9
7
7
8
8
10
11
12
12
12
12
12
12
12
13
13
13
13
HOW IT FEELS · DEW POINT
Oppressive: dew points 73 to 76°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 86° / 75°
SAT Nov. 14 Partly cloudy Partly cloudy
81° 77°
0% rain — SSE 13 A
SUN Nov. 15 Mostly cloudy; warmer Mostly cloudy; warmer
89° 78°
0% rain — SE 11 A
MON Nov. 16 Chance of showers Chance of showers
89° 78°
60% rain up to 0.1″ E 11 A
TUE Nov. 17 Showers likely Showers likely
89° 77°
90% rain 0.07–0.6″ E 14 A
WED Nov. 18 Storms likely Storms likely
88° 77°
90% rain 0.07–0.8″ E 10 A
THU Nov. 19 Showers likely Showers likely
88° 76°
60% rain up to 0.1″ ESE 9 A
FRI Nov. 20 Chance of showers Chance of showers
88° 76°
60% rain up to 0.1″ ESE 8 A
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Palmas del Mar about 5,000 feet above the ground was over the tropical Atlantic three days ago, about 950 miles back along its path. It came down from about 9,000 feet up, warming and drying as it sank. Air off the water carries moisture, which is why it feels humid. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

THIS WEEK IN 2003 Nov. 13–14, 2003

The wettest two days this week has seen

8.74 inches of rain fell in two days, the most for this week of the year since records began in 1931. The next wettest, 4.10 inches, fell in 2020.

4.10″
8.74″
20202003
Source: NOAA RCC-ACIS, the Juncos 1 SE record since 1931.
MILE2
THE GROUND

What Palmas del Mar stands on

Palmas del Mar’s center stands about 20 ft above sea level. Within three miles the land runs from 0 ft to 380 ft, a difference of 380 ft: rolling country. Open water lies within three miles. The highest named summit within 15 miles is El Toro, about 3,450 ft, 13 miles north.

Palmas del Mar, cut in half from west to east

A section west to east, 24 miles through the town center
0 ft500 ft1,000 ft PALMAS DEL MAR20 ftCerro de las Avispas1,320 ftPlayita390 ftYabucoa60 ftRío Guayanésabout 20 ft ← W · Palo SecoE →

Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 15×.

Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.

MILE5
THE ALMANAC

Palmas del Mar’s year

1991–2020 normals · records since 1931 · Juncos 1 SE, 13 mi northwest

Palmas del Mar has a tropical rainforest climate. Summer afternoons average 88° in June; winter nights fall to about 65° in January. About 68 inches of rain fall in a normal year.

82°65°83°65°84°65°85°68°86°71°88°72°88°72°88°72°88°72°87°71°85°69°83°66° JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 1 TODAY 67.5 in rain a year
Normal high to low, by month Record high to low, by day Rain by month
June, average88° / 72°high / low, the warmest month
January, average82° / 65°high / low, the coldest month
Rain a year67.5 inwettest months: September and November
Hottest on record100°FJuly 16, 1954
Coldest on record43°FDecember 12, 1991
Wettest day on record15.1 inSeptember 19, 2022
90° days a year103none reach 100°
Climate typeTropical rainforestKöppen Af

AROUND THE RING

1Wettest stretchSeptember through November: 24.0 of the year’s 67.5 inches
NOVEMBER 14 IN THE RECORD

On November 14 Palmas del Mar normally reaches 85° and falls to 69°. The record high is 93°, in 1952; the record low 57°, in 1944. The most rain on this date, 2.81 in, fell in 2003.

MONTH BY MONTH
JanFebMarAprMayJunJulAugSepOctNovDec
Normal high82°83°84°85°86°88°88°88°88°87°85°83°
Normal low65°65°65°68°71°72°72°72°72°71°69°66°
Rain, inches3.272.482.864.786.395.247.047.228.737.607.694.17
Record high96° (1951)95° (1954)94° (2010)96° (2024)97° (1939)96° (1999)100° (1954)98° (1954)99° (1954)97° (1954)96° (1981)98° (1947)
Record low50° (1980)50° (1949)50° (1981)50° (1981)50° (1950)58° (1981)57° (1936)58° (1933)56° (1981)55° (1944)51° (1959)43° (1991)

Normals 1991–2020 and records since 1931 at Juncos 1 SE, 12 miles northwest, 190 ft higher. NOAA, through RCC-ACIS.

MILE7
ON THE NETWORK

Around Palmas del Mar on the Forecast Network

Neighboring plates

San Juan PR · 28 MI 28 miles northwest Bayamón PR · 31 MI 31 miles northwest Ponce PR · 54 MI 54 miles west Mayagüez PR · 88 MI 88 miles west
FORECASTCITY
Map of Palmas del Mar, Puerto Rico. Explore the plate
PUERTO RICO · HUMACAO

Palmas del Mar

3,124 people, 20 ft above sea level in Humacao Municipio.

20 ftElevation
3,124People
3 sq miLand
Clear 84°
ClearDew point 75°
1

Today in Palmas del Mar

NEXT 15 HOURS
Now partly cloudy night 81° 0%
12a partly cloudy night 81° 0%
3a mostly cloudy night 79° 0%
6a mostly cloudy day 79° 0%
9a mostly cloudy day 86° 0%
12p mostly cloudy day 88° 0%
Rain
NEXT RAINMonday about 3 AM · 66%
→
Sat0%
Partly cloudy Partly cloudy
77
81
A
Sun0%
Mostly cloudy; warmer Mostly cloudy; warmer
78
89
A
Mon60%
Chance of showers Chance of showers
78
89
A
Tue90%
Showers likely Showers likely
77
89
A
Wed90%
Storms likely Storms likely
77
88
A
Thu60%
Showers likely Showers likely
76
88
A
Fri60%
Chance of showers Chance of showers
76
88
A
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
THIS WEEK IN 2003 · NOV. 13–14, 2003

8.74 inches in two days, the most for this week since 1931.

2

What Palmas del Mar stands on

Palmas del Mar’s center stands about 20 ft above sea level. Within three miles the land runs from 0 ft to 380 ft, a difference of 380 ft: rolling country. Open water lies within three miles. The highest named summit within 15 miles is El Toro, about 3,450 ft, 13 miles north.

Palmas del Mar, west to east Palmas del Mar20 ftCerro de las Avispas1,320 ft ← WE → 24 miles through the town center; vertical exaggeration about 28×.
Elevation, center20 ft
Within 3 miles0 to 380 ft
Lie of the landRolling (380 ft of relief)
High point nearbyEl Toro, 3,450 ft, 13 mi north
5

Palmas del Mar’s year

Palmas del Mar has a tropical rainforest climate. Summer afternoons average 88° in June; winter nights fall to about 65° in January. About 68 inches of rain fall in a normal year.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC 1 67.5 in
June, average88° / 72° · high / low, the warmest month
January, average82° / 65° · high / low, the coldest month
Rain a year67.5 in · wettest months: September and November
Hottest on record100°F · July 16, 1954
Coldest on record43°F · December 12, 1991
Wettest day on record15.1 in · September 19, 2022
90° days a year103 · none reach 100°
Climate typeTropical rainforest · Köppen Af
1Wettest stretch · September through November: 24.0 of the year’s 67.5 inches
NOVEMBER 14 IN THE RECORD

On November 14 Palmas del Mar normally reaches 85° and falls to 69°. The record high is 93°, in 1952; the record low 57°, in 1944. The most rain on this date, 2.81 in, fell in 2003.

Normals 1991–2020 and records since 1931 at Juncos 1 SE, 12 miles northwest, 190 ft higher. NOAA, through RCC-ACIS.