La Libertad weather in May

In May, La Libertad sees average daytime highs of 29°C and overnight lows near 24°C, with 239 mm of rain across 25.3 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 15% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is La Libertad's 7th-clearest and 8th-windiest month. For the whole year in context, see La Libertad's year-round climate.

Daytime high
29°
7th warmest
Overnight low
24°
12th coldest
Rainfall
239 mm
25.3 wet days
Daylight
12 h 36 min
5:35 AM – 6:12 PM
Cloud cover
71%
7th clearest
Wind
7 km/h
8th windiest
Solar energy
5.63 kWh/m²
Travel score
3.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in La Libertad reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222824
232824
242824
252824
262824
272824
282824
292824
302824
312824

How May really feels in La Libertad

Once humidity and wind are folded in, May averages 17 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
17
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

La Libertad weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°20.511.37.1
Feb30° / 23°20.411.66.9
Mar30° / 23°10311.96.3
Apr30° / 24°481112.35.2
May29° / 24°23925.312.63.7
Jun28° / 24°25426.212.83.4
Jul29° / 24°19522.512.73.8
Aug29° / 24°25026.112.43.5
Sep28° / 24°32328.412.13.4
Oct28° / 23°28324.511.74.1
Nov29° / 23°568.911.45.9
Dec29° / 23°71.411.27.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25743
35644
45446
55347
65248
75050
84852
94654
104456
114258
124060
133664
143466
153268
162971
172872
182674
192575
202377
212278
222278
232080
241981
251882
261882
271783
281783
291783
301684
311585

Chance of precipitation in May

Any precipitation

La Libertad gets around 239 mm of rain over 25.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 80% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
162
263
365
466
568
670
771
872
973
1075
1176
1277
1378
1479
1580
1682
1783
1884
1985
2086
2187
2288
2389
2489
2590
2691
2791
2892
2992
3093
3193

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1211843
2210853
329872
419882
518892
618892
717902
817902
916912
1016912
1116912
1215922
1315922
1415922
1514932
1614932
1713942
1813933
1913933
2012943
2112943
2212943
2312943
2411953
2501963
2601963
2701972
2801972
2901972
3000982
3100982

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:40 AM to 5:33 AM, and sunset from 6:09 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:406:09
212.55:406:09
312.55:396:09
412.55:396:09
512.55:396:10
612.55:386:10
712.55:386:10
812.55:376:10
912.65:376:10
1012.65:376:11
1112.65:366:11
1212.65:366:11
1312.65:366:11
1412.65:356:12
1512.65:356:12
1612.65:356:12
1712.65:356:12
1812.65:346:13
1912.65:346:13
2012.75:346:13
2112.75:346:14
2212.75:346:14
2312.75:336:14
2412.75:336:14
2512.75:336:15
2612.75:336:15
2712.75:336:15
2812.75:336:16
2912.75:336:16
3012.75:336:16
3112.75:336:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.87 kWh/m² to a high of 6.36 kWh/m² in March across the year — May's 5.63 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for La Libertad

In seasonPeak

In May, La Libertad sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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

La Libertad's monsoon runs May–October, when most of the year's rain falls.

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

Is May a good time to visit La Libertad?

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

3.7
Sightseeing
9th-best month of the year
4.6
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in La Libertad.

What to pack for La Libertad in May

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

In May, La Libertad sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near La Libertad in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 30°C and coldest in January near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in La Libertad in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 La Libertad peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 21UV 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in La Libertad in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in La Libertad is worst in April — around 43 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (September, 26 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorApr 1942 µg/m³Sep 1026 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb35Moderate
Mar35Poor
Apr43Poor
May40Poor
Jun27Moderate
Jul30Moderate
Aug27Moderate
Sep26Moderate
Oct29Moderate
Nov35Moderate
Dec36Poor
Location & terrain

Where is La Libertad?

La Libertad sits at 13.5°N, 89.3°W, 13 m above sea level, in El Salvador. The nearest listed city is Antiguo Cuscatlán, 21 km away.

Antiguo CuscatlánSanta TeclaSan MarcosSan SalvadorMejicanosAyutuxtepequeCuscatancingoDelgado

Topography around La Libertad

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

Within 3 km, the terrain around La Libertad has only modest variations in elevation — a maximum elevation change of 247 m around an average of 51 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,020 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,353 m.

The land around La Libertad is covered by trees (44%) and water (42%) within 3 km, water (45%) and trees (44%) within 16 km, and trees (40%) and water (34%) within 80 km.

3 km
247 m
16 km
1,020 m
80 km
2,353 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Antiguo Cuscatlán 21 km · Santa Tecla 21 km · San Marcos 24 km · San Salvador 27 km · Mejicanos 30 km · Ayutuxtepeque 30 km · Cuscatancingo 31 km · Delgado 31 km

El Salvador travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
115 V · 60 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$5,767
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
7.9
per 100k, 2022
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 523
Religion
Roman Catholic 44%Protestant 40%none 16%

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 La Libertad (13.4883°, -89.3222°, elevation 13 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).