Santiago Atitlán weather in April

In April, Santiago Atitlán sees average daytime highs of 22°C and overnight lows near 14°C, with 159 mm of rain across 18.5 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels comfortable.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 30 min by month's end. Set against the rest of the year, April is Santiago Atitlán's 6th-clearest and 8th-windiest month. For the whole year in context, see Santiago Atitlán's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
14°
6th coldest
Rainfall
159 mm
18.5 wet days
Daylight
12 h 18 min
5:55 AM – 6:15 PM
Cloud cover
62%
6th clearest
Wind
5 km/h
8th windiest
Solar energy
6.25 kWh/m²
Travel score
5.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical April day in Santiago Atitlán reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, April runs on par with March and on par with May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102213
112213
122213
132214
142214
152214
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214

Santiago Atitlán weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 12°143.411.27.8
Feb22° / 12°204.711.57.7
Mar22° / 13°6511.911.96.6
Apr22° / 14°15918.512.35.3
May22° / 14°36825.912.74.0
Jun21° / 15°37526.212.83.8
Jul21° / 14°1991912.84.9
Aug21° / 14°26021.812.54.5
Sep21° / 14°37927.112.13.7
Oct21° / 14°2672311.74.3
Nov20° / 13°6110.411.36.3
Dec20° / 12°214.311.17.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 24% of April, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35545
45446
55347
65248
75149
85050
94951
104951
114852
124753
134753
144555
154555
164456
174258
184258
194159
204060
213862
223763
233664
243466
253367
263268
273070
282872
292872
302674

Chance of precipitation in April

Any precipitation

Santiago Atitlán gets around 159 mm of rain over 18.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 62% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
154
254
355
456
557
658
758
859
959
1060
1160
1261
1361
1461
1561
1662
1762
1862
1963
2063
2164
2265
2366
2467
2568
2669
2770
2871
2971
3072

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the comfortable band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
155432
253443
351463
450473
549483
648493
747503
846513
945523
1044533
1143543
1243543
1342553
1441563
1541554
1640564
1739574
1838575
1937576
2036577
2135587
2234588
2333589
24325810
25315910
26296011
27286111
28276112
29266212
30256213

Wind in April

Winds average 5 km/h in April.

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

0246810151015202530
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
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over April. Sunrise moves from 6:06 AM to 5:47 AM, and sunset from 6:13 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:066:13
212.16:056:13
312.26:046:13
412.26:046:14
512.26:036:14
612.26:026:14
712.26:026:14
812.26:016:14
912.26:006:14
1012.25:596:14
1112.35:596:14
1212.35:586:14
1312.35:576:15
1412.35:576:15
1512.35:566:15
1612.35:556:15
1712.35:556:15
1812.45:546:15
1912.45:536:15
2012.45:536:16
2112.45:526:16
2212.45:526:16
2312.45:516:16
2412.45:506:16
2512.45:506:16
2612.55:496:17
2712.55:496:17
2812.55:486:17
2912.55:486:17
3012.55:476:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.25 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.25 kWh/m² in April across the year — April's 6.25 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in April

Hazard calendar for Santiago Atitlán

In seasonPeak

None of Santiago Atitlán's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Santiago Atitlán'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 April a good time to visit Santiago Atitlán?

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

5.3
Sightseeing
6th-best month of the year
3.6
Beach & pool
5th-best month of the year

April is a reasonable time to visit Santiago Atitlán for sightseeing.

What to pack for Santiago Atitlán in April

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

In April, Santiago Atitlán sees daytime highs around 22°C and nights near 14°C. Pack rain gear and sun protection. About 19 days see rain.

rain gearsun protection

UV index in Santiago Atitlán in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago Atitlán peaks around April 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 14UV 15Dec 14UV 10
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul14Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec10Very high

Air quality in Santiago Atitlán in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Santiago Atitlán is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 934 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar25Moderate
Apr34Moderate
May34Moderate
Jun23Moderate
Jul23Moderate
Aug22Moderate
Sep23Moderate
Oct23Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Santiago Atitlán?

Santiago Atitlán sits at 14.6°N, 91.2°W, 1,603 m above sea level, in Guatemala. The nearest listed city is Panajachel, 14 km away.

Topography around Santiago Atitlán

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

Within 3 km, the terrain around Santiago Atitlán has large variations in elevation — a maximum elevation change of 698 m around an average of 1,708 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,122 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,937 m.

The land around Santiago Atitlán is covered by trees (63%) and water (22%) within 3 km, trees (76%) within 16 km, and trees (63%) within 80 km.

3 km
698 m
16 km
3,122 m
80 km
3,937 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Panajachel 14 km · Chicacao 15 km · Sololá 16 km · Santa Bárbara 23 km · Patzún 24 km · San Pablo Jocopilas 25 km · Nahualá 25 km · Patulul 25 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 Santiago Atitlán (14.6382°, -91.229°, elevation 1,603 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). 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).