San Vicente weather in May

In May, San Vicente sees average daytime highs of 32°C and overnight lows near 23°C, with 261 mm of rain across 25.4 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 12% 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 San Vicente's 10th-clearest and 8th-windiest month. For the whole year in context, see San Vicente's year-round climate.

Daytime high
32°
7th warmest
Overnight low
23°
12th coldest
Rainfall
261 mm
25.4 wet days
Daylight
12 h 36 min
5:33 AM – 6:10 PM
Cloud cover
73%
10th clearest
Wind
4 km/h
8th windiest
Solar energy
5.65 kWh/m²
Travel score
2.6
out of 10

San Vicente is city in El Salvador.

Density
155/km²
people per km²
Founded
1635

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical May day in San Vicente reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213123
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How May really feels in San Vicente

Once humidity and wind are folded in, May averages 31 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
31
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.

San Vicente weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°30.711.34.7
Feb34° / 21°30.911.54.0
Mar34° / 21°133.811.93.5
Apr34° / 22°5912.112.33.1
May32° / 23°26125.412.62.6
Jun31° / 22°25825.512.82.8
Jul32° / 22°17320.312.73.0
Aug32° / 22°2282412.52.8
Sep30° / 22°29427.412.12.7
Oct30° / 22°25523.611.73.4
Nov31° / 21°518.911.44.6
Dec32° / 20°81.711.25.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44555
54456
64357
74159
84159
93961
103763
113763
123565
133367
143169
152971
162674
172575
182377
192278
202179
211981
221981
231783
241684
251684
261585
271486
281486
291486
301486
311486

Chance of precipitation in May

Any precipitation

San Vicente gets around 261 mm of rain over 25.4 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 81% and peaks near 92% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
165
266
368
469
570
671
772
873
974
1075
1176
1277
1378
1479
1580
1681
1783
1884
1985
2087
2188
2289
2389
2490
2590
2691
2791
2891
2992
3092
3192

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1293653
2293554
3293554
4183457
5183457
6173359
7173359
8173260
9163261
10163162
11163063
12153064
13152965
14152866
15142768
16142570
17132472
18132373
19122176
20122077
21121879
22111781
23111682
24111484
25111385
26011287
27001189
28001090
2900991
3000991
3100892

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:38 AM to 5:30 AM, and sunset from 6:07 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:386:07
212.55:376:07
312.55:376:07
412.55:376:07
512.55:366:08
612.55:366:08
712.55:356:08
812.65:356:08
912.65:356:08
1012.65:346:09
1112.65:346:09
1212.65:346:09
1312.65:336:09
1412.65:336:10
1512.65:336:10
1612.65:336:10
1712.65:326:11
1812.65:326:11
1912.75:326:11
2012.75:326:11
2112.75:316:12
2212.75:316:12
2312.75:316:12
2412.75:316:13
2512.75:316:13
2612.75:316:13
2712.75:316:13
2812.75:316:14
2912.75:306:14
3012.75:306:14
3112.75:306:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.65 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 5.65 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for San Vicente

In seasonPeak

In May, San Vicente sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

San Vicente's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit San Vicente?

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

2.6
Sightseeing
12th-best month of the year
4.2
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in San Vicente.

What to pack for San Vicente in May

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

In May, San Vicente sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near San Vicente 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 47 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 San Vicente 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 San Vicente peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highApr 10UV 13Dec 13UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in San Vicente 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 San Vicente is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2234 µg/m³Jan 1113 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar22Moderate
Apr34Moderate
May32Moderate
Jun21Moderate
Jul25Moderate
Aug20Moderate
Sep18Moderate
Oct17Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is San Vicente?

San Vicente sits at 13.6°N, 88.8°W, 405 m above sea level, in El Salvador. The nearest listed city is Zacatecoluca, 17 km away.

ZacatecolucaCojutepequeSan MartínSensuntepequeIlopangoSantiago de MaríaSoyapangoSuchitoto

Topography around San Vicente

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

Within 3 km, the terrain around San Vicente has significant variations in elevation — a maximum elevation change of 461 m around an average of 464 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,150 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,483 m.

The land around San Vicente is covered by trees (40%) and grassland (36%) within 3 km, trees (55%) and grassland (35%) within 16 km, and trees (48%), grassland (22%) and water (22%) within 80 km.

3 km
461 m
16 km
2,150 m
80 km
2,483 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Zacatecoluca 17 km · Cojutepeque 18 km · San Martín 21 km · Sensuntepeque 31 km · Ilopango 36 km · Santiago de María 39 km · Soyapango 39 km · Suchitoto 42 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 San Vicente (13.6411°, -88.7846°, elevation 405 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).