Jalpatagua weather in May

In May, Jalpatagua sees average daytime highs of 28°C and overnight lows near 18°C, with 159 mm of rain across 20.7 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 27°C by the end. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Jalpatagua's 10th-clearest and 10th-windiest month. For the whole year in context, see Jalpatagua's year-round climate.

Daytime high
28°
4th warmest
Overnight low
18°
12th coldest
Rainfall
159 mm
20.7 wet days
Daylight
12 h 42 min
5:37 AM – 6:16 PM
Cloud cover
77%
10th clearest
Wind
5 km/h
10th windiest
Solar energy
5.67 kWh/m²
Travel score
4.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 27°C by the end.

A typical May day in Jalpatagua reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62919
72919
82919
92919
102919
112919
122919
132919
142919
152819
162819
172819
182819
192819
202819
212819
222819
232818
242818
252818
262818
272718
282718
292718
302718
312718

Jalpatagua weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 15°20.411.38.5
Feb29° / 16°20.811.57.5
Mar29° / 16°102.811.96.5
Apr30° / 18°368.212.35.4
May28° / 18°15920.712.64.3
Jun27° / 18°21524.212.84.1
Jul28° / 18°10017.212.84.8
Aug28° / 18°1402012.54.4
Sep27° / 18°23625.212.14.0
Oct27° / 18°18118.711.75.1
Nov27° / 16°254.611.37.4
Dec28° / 16°51.211.28.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
33961
43862
53664
63565
73466
83367
93169
103169
112971
122773
132674
142476
152377
162179
171981
181981
191882
201684
211684
221585
231585
241387
251387
261288
271288
281189
291189
301090
311090

Chance of precipitation in May

Any precipitation

Jalpatagua gets around 159 mm of rain over 20.7 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 66% and peaks near 86% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
144
246
347
448
550
651
752
854
955
1057
1158
1260
1361
1463
1565
1667
1769
1871
1972
2074
2175
2277
2378
2479
2580
2682
2783
2884
2985
3085
3186

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14224726
24214827
33204829
43194830
53184931
62174931
72164932
82154933
92154934
102144936
112134937
122124838
132114740
142114741
152104643
16194544
17184446
18184348
19174249
20174151
21163954
22163855
23163756
24153658
25153559
26143461
27143263
28043165
29033067
30033067
31032968

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:42 AM to 5:34 AM, and sunset from 6:12 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:426:12
212.55:426:12
312.55:416:13
412.55:416:13
512.55:406:13
612.65:406:13
712.65:406:14
812.65:396:14
912.65:396:14
1012.65:396:14
1112.65:386:15
1212.65:386:15
1312.65:386:15
1412.65:376:15
1512.65:376:16
1612.75:376:16
1712.75:366:16
1812.75:366:16
1912.75:366:17
2012.75:366:17
2112.75:366:17
2212.75:356:18
2312.75:356:18
2412.75:356:18
2512.75:356:19
2612.75:356:19
2712.75:356:19
2812.75:356:19
2912.85:356:20
3012.85:346:20
3112.85:346:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.67 kWh/m².

For context, solar energy here swings from a low near 4.85 kWh/m² to a high of 6.45 kWh/m² in March across the year — May's 5.67 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Intense
86.0Bright
95.9Bright
105.9Bright
115.9Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.2Bright
Planning a trip in May

Hazard calendar for Jalpatagua

In seasonPeak

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

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

Jalpatagua's monsoon runs August–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 Jalpatagua?

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

4.3
Sightseeing
10th-best month of the year
5.1
Beach & pool
10th-best month of the year

May is a reasonable time to visit Jalpatagua for sightseeing.

What to pack for Jalpatagua in May

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

In May, Jalpatagua sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Jalpatagua 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 49 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
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Jalpatagua 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 Jalpatagua peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 13UV 14Nov 22UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Jalpatagua 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 Jalpatagua is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2233 µg/m³Jan 1416 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar21Moderate
Apr34Moderate
May32Moderate
Jun23Moderate
Jul23Moderate
Aug21Moderate
Sep21Moderate
Oct21Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Jalpatagua?

Jalpatagua sits at 14.1°N, 90.0°W, 565 m above sea level, in Guatemala. The nearest listed city is Jutiapa, 21 km away.

AhuachapanCuilapaAsunción MitaChalchuapaBarberenaGuazacapánSanta Ana

Topography around Jalpatagua

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

Within 3 km, the terrain around Jalpatagua has significant variations in elevation — a maximum elevation change of 599 m around an average of 652 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,347 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,681 m.

The land around Jalpatagua is covered by grassland (48%) and trees (38%) within 3 km, grassland (47%) and trees (40%) within 16 km, and trees (47%) and grassland (23%) within 80 km.

3 km
599 m
16 km
1,347 m
80 km
2,681 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Jutiapa 21 km · Ahuachapan 30 km · Cuilapa 35 km · Asunción Mita 39 km · Chalchuapa 39 km · Barberena 42 km · Guazacapán 45 km · Santa Ana 52 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Jalpatagua (14.1369°, -90.0091°, elevation 565 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).