Santiago Atitlán weather in October

In October, Santiago Atitlán sees average daytime highs of 21°C and overnight lows near 14°C, with 267 mm of rain across 23 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 7% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 30 min by month's end. Set against the rest of the year, October is Santiago Atitlán's 7th-clearest and 9th-windiest month. For the whole year in context, see Santiago Atitlán's year-round climate.

Daytime high
21°
9th warmest
Overnight low
14°
7th coldest
Rainfall
267 mm
23 wet days
Daylight
11 h 42 min
6:00 AM – 5:40 PM
Cloud cover
80%
7th clearest
Wind
5 km/h
9th windiest
Solar energy
4.43 kWh/m²
Travel score
4.3
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical October day in Santiago Atitlán reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, October runs on par with September and on par with November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42114
52114
62114
72114
82114
92114
102114
112114
122114
132114
142114
152114
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

Santiago Atitlán weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 4th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
21090
31090
41189
51288
61288
71288
81387
91387
101387
111486
121486
131486
141585
151585
161585
171684
181783
191882
201981
212179
222179
232377
242575
252674
262872
272872
283169
293268
303367
313565

Chance of precipitation in October

Any precipitation

Santiago Atitlán gets around 267 mm of rain over 23 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 90% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
289
388
487
586
685
784
883
982
1081
1181
1280
1379
1479
1578
1677
1776
1875
1974
2073
2171
2269
2368
2466
2564
2662
2760
2858
2956
3054
3152

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
138710
248610
348610
458510
56859
66859
77849
88839
99838
1010828
1111818
1212808
1313807
1414797
1515787
1616777
1717767
1819747
1920737
2021727
2123707
2224706
2326686
2427676
2529656
2630646
2731645
2833625
2934615
3035614
3137594

Wind in October

Winds average 5 km/h in October.

Across October, 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
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
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over October. Sunrise moves from 5:58 AM to 6:04 AM, and sunset from 5:50 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:585:50
211.95:585:49
311.85:585:49
411.85:585:48
511.85:585:47
611.85:585:46
711.85:585:46
811.85:595:45
911.85:595:44
1011.75:595:44
1111.75:595:43
1211.75:595:42
1311.75:595:42
1411.76:005:41
1511.76:005:41
1611.76:005:40
1711.76:005:39
1811.66:005:39
1911.66:015:38
2011.66:015:38
2111.66:015:37
2211.66:015:37
2311.66:025:36
2411.66:025:36
2511.66:025:35
2611.56:035:35
2711.56:035:34
2811.56:035:34
2911.56:035:34
3011.56:045:33
3111.56:045:33

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.43 kWh/m² — the year's lowest.

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 — October's 4.43 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in October

Hazard calendar for Santiago Atitlán

In seasonPeak

In October, Santiago Atitlán sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

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 October a good time to visit Santiago Atitlán?

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

4.3
Sightseeing
9th-best month of the year
2.6
Beach & pool
10th-best month of the year

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

What to pack for Santiago Atitlán in October

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

In October, Santiago Atitlán sees daytime highs around 21°C and nights near 14°C. Pack rain gear. About 23 days see rain.

rain gear

UV index in Santiago Atitlán in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).