Puerto Rico weather in April

In April, Puerto Rico sees average daytime highs of 27°C and overnight lows near 17°C, with 141 mm of rain across 9.7 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 25°C by the end. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 hours by month's end. Set against the rest of the year, April is Puerto Rico's 4th-clearest and 8th-windiest month. For the whole year in context, see Puerto Rico's year-round climate.

Daytime high
27°
7th warmest
Overnight low
17°
6th coldest
Rainfall
141 mm
9.7 wet days
Daylight
11 h 24 min
6:59 AM – 6:21 PM
Cloud cover
51%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
4.15 kWh/m²
Travel score
6.5
out of 10

Puerto Rico is capital city of the Libertador General San Martín Department, in the Misiones Province of Argentina.

Founded
1919

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 25°C by the end.

A typical April day in Puerto Rico reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, April runs about 3°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52818
62818
72818
82818
92818
102817
112817
122817
132817
142717
152717
162717
172717
182717
192717
202716
212616
222616
232616
242616
252616
262616
272616
282616
292515
302515

How April really feels in Puerto Rico

Once humidity and wind are folded in, April 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

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

Puerto Rico weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°15114.913.53.7
Feb31° / 21°15414.412.94.0
Mar30° / 20°13711.912.24.9
Apr27° / 17°1419.711.46.5
May23° / 14°1629.210.77.0
Jun21° / 12°1549.110.36.7
Jul21° / 11°1259.110.56.9
Aug24° / 13°907.611.17.6
Sep26° / 15°15310.211.86.8
Oct28° / 17°20613.212.65.8
Nov30° / 18°16711.413.35.1
Dec31° / 20°1811413.74.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65842
75842
85842
95842
105842
115842
125842
135842
145842
155743
165644
175644
185644
195644
205644
215644
225644
235644
245644
255644
265644
275644
285545
295545
305545

Chance of precipitation in April

Any precipitation

Puerto Rico gets around 141 mm of rain over 9.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
134
233
333
433
532
632
732
832
932
1032
1132
1232
1332
1432
1533
1633
1733
1833
1934
2034
2134
2233
2333
2433
2532
2632
2732
2831
2931
3030

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 51% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1510194422
2610194322
3610194322
4710194221
5710194221
6811194121
7811194021
8911204020
91012203920
101012203820
111112203719
121113213718
131114213618
141114223617
151115223616
161115233515
171116233515
181116243514
191116253413
201117263412
211117273411
221217283310
23121729339
24121730328
25131731327
26131832316
27141832306
28151832305
29161832295
30171932284

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over April. Sunrise moves from 6:52 AM to 7:07 AM, and sunset from 6:38 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:526:38
211.76:526:36
311.76:536:35
411.76:536:34
511.76:546:33
611.66:546:32
711.66:556:31
811.66:556:30
911.56:566:29
1011.56:566:28
1111.56:576:27
1211.56:576:25
1311.46:586:24
1411.46:586:23
1511.46:596:22
1611.46:596:21
1711.37:006:20
1811.37:006:19
1911.37:016:18
2011.37:016:17
2111.27:026:16
2211.27:026:15
2311.27:036:14
2411.27:046:13
2511.17:046:12
2611.17:056:12
2711.17:056:11
2811.17:066:10
2911.07:066:09
3011.07:076:08

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.15 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 6.44 kWh/m² in December across the year — April's 4.15 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in April

Is April a good time to visit Puerto Rico?

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

6.5
Sightseeing
6th-best month of the year
6.8
Beach & pool
1st-best month of the year

April is a reasonable time to visit Puerto Rico for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Puerto Rico in April

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

In April, Puerto Rico sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: rain gear. About 10 days see rain.

light clothesrain gear

UV index in Puerto Rico in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Puerto Rico peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 14Jun 22UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct8Very high
Nov11Extreme
Dec13Extreme

Air quality in Puerto Rico in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Puerto Rico is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1318 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar7Good
Apr8Good
May7Good
Jun7Good
Jul10Good
Aug16Moderate
Sep19Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Puerto Rico?

Puerto Rico sits at 26.8°S, 55.0°W, 188 m above sea level, in Argentina. The nearest listed city is Jardín América, 33 km away.

Topography around Puerto Rico

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

Within 3 km, the terrain around Puerto Rico has only modest variations in elevation — a maximum elevation change of 161 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, significant variations in elevation — a maximum elevation change of 550 m.

The land around Puerto Rico is covered by trees (52%) and grassland (24%) within 3 km, trees (59%) and cropland (21%) within 16 km, and trees (65%) and cropland (24%) within 80 km.

3 km
161 m
16 km
250 m
80 km
550 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Jardín América 33 km · Montecarlo 37 km · Eldorado 60 km · Oberá 76 km · Trinidad 77 km · San Vicente 91 km · San Pedro 93 km · Leandro N. Alem 93 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Puerto Rico (-26.8089°, -55.0215°, elevation 188 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. 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).