Chimaltenango weather in May

In May, Chimaltenango sees average daytime highs of 25°C and overnight lows near 15°C, with 133 mm of rain across 17.7 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 8% of the time in May, and the air most often feels comfortable.

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 Chimaltenango's 9th-clearest and 10th-windiest month. For the whole year in context, see Chimaltenango's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
15°
12th coldest
Rainfall
133 mm
17.7 wet days
Daylight
12 h 42 min
5:39 AM – 6:20 PM
Cloud cover
77%
9th clearest
Wind
6 km/h
10th windiest
Solar energy
5.51 kWh/m²
Travel score
5.4
out of 10

Chimaltenango is department in Guatemala.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in Chimaltenango reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132515
142515
152515
162515
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302415
312415

Chimaltenango weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 11°61.811.28.5
Feb24° / 12°51.311.58.7
Mar26° / 13°153.811.98.0
Apr26° / 14°517.912.37.0
May25° / 15°13317.712.75.4
Jun24° / 15°22123.912.94.5
Jul24° / 14°11617.312.85.5
Aug24° / 14°13619.112.55.3
Sep24° / 15°20424.112.14.4
Oct23° / 14°1521911.75.2
Nov22° / 13°417.111.37.1
Dec23° / 12°132.811.18.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23367
33070
43070
52872
62872
72674
82674
92476
102476
112278
122179
132080
142080
151981
161783
171684
181684
191684
201585
211486
221486
231387
241387
251387
261288
271288
281288
291189
301189
311189

Chance of precipitation in May

Any precipitation

Chimaltenango gets around 133 mm of rain over 17.7 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 57% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
137
238
340
441
542
643
744
845
947
1048
1150
1251
1353
1455
1557
1658
1760
1861
1963
2064
2165
2267
2368
2469
2570
2671
2772
2873
2974
3075
3176

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1405010
2395110
3385210
4375211
5365311
6355411
7345511
8325711
9315811
10305911
11295912
12276112
13266113
14246313
15236314
16226414
17206515
18196615
19186616
20186517
21176617
22176518
23166519
24156520
25156322
26146323
27136225
28136027
29126028
30115930
31105931

Wind in May

Winds average 6 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
136calm
146calm
156calm
166calm
176calm
186calm
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 5:45 AM to 5:37 AM, and sunset from 6:16 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:456:16
212.55:446:16
312.55:446:16
412.65:446:17
512.65:436:17
612.65:436:17
712.65:426:17
812.65:426:18
912.65:416:18
1012.65:416:18
1112.65:416:18
1212.65:406:19
1312.65:406:19
1412.75:406:19
1512.75:396:20
1612.75:396:20
1712.75:396:20
1812.75:396:20
1912.75:386:21
2012.75:386:21
2112.75:386:21
2212.75:386:22
2312.75:386:22
2412.75:376:22
2512.85:376:23
2612.85:376:23
2712.85:376:23
2812.85:376:24
2912.85:376:24
3012.85:376:24
3112.85:376:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.19 kWh/m² in April across the year — May's 5.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Chimaltenango

In seasonPeak

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

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

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

Is May a good time to visit Chimaltenango?

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

5.4
Sightseeing
8th-best month of the year
5.0
Beach & pool
7th-best month of the year

May is a reasonable time to visit Chimaltenango for sightseeing.

What to pack for Chimaltenango in May

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

In May, Chimaltenango sees daytime highs around 25°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

UV index in Chimaltenango in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chimaltenango peaks around April 13 at about 15 (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 13UV 15Dec 13UV 9
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Chimaltenango 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 Chimaltenango is worst in April — around 48 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (August, 22 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1846 µg/m³Aug 1422 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb26Moderate
Mar31Moderate
Apr48Poor
May37Poor
Jun25Moderate
Jul23Moderate
Aug22Moderate
Sep24Moderate
Oct23Moderate
Nov22Moderate
Dec24Moderate
Location & terrain

Where is Chimaltenango?

Chimaltenango sits at 14.7°N, 90.8°W, 1,795 m above sea level, in Guatemala. The nearest listed city is El Tejar, 4.0 km away.

Topography around Chimaltenango

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

Within 3 km, the terrain around Chimaltenango has significant variations in elevation — a maximum elevation change of 346 m around an average of 1,798 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,986 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,944 m.

The land around Chimaltenango is covered by cropland (32%), trees (31%) and artificial surfaces (30%) within 3 km, trees (63%) and cropland (21%) within 16 km, and trees (65%) within 80 km.

3 km
346 m
16 km
1,986 m
80 km
3,944 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: El Tejar 4.0 km · San Andrés Itzapa 5.0 km · Zaragoza 7.0 km · Sumpango 9.0 km · Comalapa 12 km · Patzicía 12 km · Jocotenango 13 km · Antigua Guatemala 15 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 Chimaltenango (14.6588°, -90.8216°, elevation 1,795 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).