Chisec weather in May

In May, Chisec sees average daytime highs of 30°C and overnight lows near 21°C, with 184 mm of rain across 19.2 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Chisec's 6th-clearest and 3rd-windiest month. For the whole year in context, see Chisec's year-round climate.

Daytime high
30°
1st warmest
Overnight low
21°
11th coldest
Rainfall
184 mm
19.2 wet days
Daylight
12 h 42 min
5:35 AM – 6:19 PM
Cloud cover
68%
6th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.86 kWh/m²
Travel score
3.7
out of 10

Chisec is lungsod.

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 30°C through the month.

A typical May day in Chisec reaches about 30°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83121
93121
103121
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How May really feels in Chisec

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.

Chisec weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 16°17816.811.26.0
Feb25° / 17°9611.911.56.5
Mar28° / 18°11310.411.96.4
Apr30° / 19°12011.612.35.0
May30° / 21°18419.212.73.7
Jun29° / 21°34627.912.93.0
Jul29° / 20°23527.712.83.3
Aug29° / 20°25227.212.53.3
Sep29° / 21°35228.812.13.1
Oct27° / 20°35326.511.63.9
Nov25° / 18°26119.911.35.1
Dec24° / 17°17517.711.15.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
34852
44753
54654
64555
74456
84357
94159
104060
114060
123763
133763
143664
153664
163466
173466
183367
193367
203268
213169
223169
233070
242872
252872
262674
272575
282377
292377
302179
312080

Chance of precipitation in May

Any precipitation

Chisec gets around 184 mm of rain over 19.2 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 63% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
143
244
345
447
548
649
751
852
954
1055
1157
1258
1360
1461
1562
1664
1765
1866
1967
2068
2169
2270
2371
2472
2574
2675
2777
2878
2980
3082
3183

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1196030
2086230
3086131
4076231
5076132
6076033
7076033
8076033
9066034
10075934
11075835
12075736
13065737
14065638
15065539
16065440
17055441
18055342
19055243
20045145
21045046
22044848
23034750
24034552
25034354
26024157
27023959
28023761
29013465
30013267
31013069

Wind in May

Winds average 5 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
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 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 5:33 AM, and sunset from 6:15 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:426:15
212.65:416:15
312.65:416:16
412.65:406:16
512.65:406:16
612.65:396:16
712.65:396:17
812.65:386:17
912.75:386:17
1012.75:376:18
1112.75:376:18
1212.75:376:18
1312.75:366:18
1412.75:366:19
1512.75:366:19
1612.75:356:19
1712.75:356:20
1812.85:356:20
1912.85:356:20
2012.85:346:21
2112.85:346:21
2212.85:346:21
2312.85:346:22
2412.85:336:22
2512.85:336:22
2612.85:336:23
2712.85:336:23
2812.85:336:23
2912.85:336:24
3012.95:336:24
3112.95:336:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.86 kWh/m².

For context, solar energy here swings from a low near 3.54 kWh/m² to a high of 6.21 kWh/m² in April across the year — May's 5.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Is May a good time to visit Chisec?

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

3.7
Sightseeing
8th-best month of the year
5.2
Beach & pool
4th-best month of the year

May is a weaker month for outdoor sightseeing in Chisec.

What to pack for Chisec in May

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

In May, Chisec sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Chisec in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chisec peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highApr 10UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May9Very high
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Chisec 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 Chisec is worst in May — around 71 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (January, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateMay 1368 µg/m³Jan 1315 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar20Moderate
Apr54Poor
May71Unhealthy
Jun29Moderate
Jul25Moderate
Aug21Moderate
Sep20Moderate
Oct18Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Chisec?

Chisec sits at 15.8°N, 90.3°W, 223 m above sea level, in Guatemala. The nearest listed city is San Pedro Carchá, 37 km away.

San Pedro CarcháCobánSan Cristóbal VerapazSalamáSayaxchéPanzosRabinalNebaj

Topography around Chisec

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

Within 3 km, the terrain around Chisec has only modest variations in elevation — a maximum elevation change of 177 m around an average of 250 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 854 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,774 m.

The land around Chisec is covered by trees (57%) and grassland (39%) within 3 km, trees (76%) and grassland (24%) within 16 km, and trees (70%) and grassland (27%) within 80 km.

3 km
177 m
16 km
854 m
80 km
2,774 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: San Pedro Carchá 37 km · Cobán 39 km · San Cristóbal Verapaz 54 km · Salamá 79 km · Sayaxché 80 km · Panzos 83 km · Rabinal 84 km · Nebaj 102 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 Chisec (15.8131°, -90.289°, elevation 223 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).