Guastatoya weather in October

In October, Guastatoya sees average daytime highs of 25°C and overnight lows near 16°C, with 143 mm of rain across 18.8 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 3rd-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 October, and the air most often feels humid.

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

Daytime high
25°
9th warmest
Overnight low
16°
7th coldest
Rainfall
143 mm
18.8 wet days
Daylight
11 h 42 min
5:55 AM – 5:35 PM
Cloud cover
76%
10th clearest
Wind
5 km/h
10th windiest
Solar energy
4.6 kWh/m²
Travel score
5.3
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Guastatoya reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, October runs about 1°C cooler than September and about 1°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62617
72517
82517
92517
102517
112517
122516
132516
142516
152516
162516
172516
182516
192516
202516
212516
222516
232516
242516
252516
262516
272516
282516
292516
302516
312516

Guastatoya weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 13°62.111.28.5
Feb26° / 13°41.311.58.4
Mar28° / 14°123.211.97.7
Apr29° / 16°417.312.36.1
May28° / 17°14317.712.74.9
Jun26° / 17°21524.312.94.2
Jul26° / 16°11418.712.85.2
Aug26° / 17°13820.112.54.9
Sep26° / 17°21624.912.14.1
Oct25° / 16°14318.811.75.3
Nov24° / 15°326.111.37.5
Dec24° / 14°112.611.18.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11486
21585
31684
41684
51783
61783
71783
81882
91981
101981
111981
121981
131981
142080
152179
162278
172278
182278
192377
202476
212575
222773
232773
242971
253070
263169
273169
283268
293466
303565
313565

Chance of precipitation in October

Any precipitation

Guastatoya gets around 143 mm of rain over 18.8 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 60% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
181
280
379
478
577
676
775
873
972
1071
1170
1269
1367
1465
1564
1662
1760
1858
1956
2055
2153
2251
2349
2447
2545
2644
2742
2841
2939
3038
3136

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
102917
203907
303907
404906
504906
605896
705896
806886
906886
1007876
1108866
1209856
13010846
14010846
15011836
16012826
17113806
18114796
19115786
20117766
21218755
22219745
23220735
24321715
25322714
26323704
27324703
28425683
29425683
30426682
31527662

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
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
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 5:53 AM to 6:00 AM, and sunset from 5:45 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:535:45
211.95:535:45
311.85:535:44
411.85:545:43
511.85:545:42
611.85:545:42
711.85:545:41
811.85:545:40
911.85:545:40
1011.75:545:39
1111.75:555:38
1211.75:555:38
1311.75:555:37
1411.75:555:36
1511.75:555:36
1611.75:555:35
1711.65:565:35
1811.65:565:34
1911.65:565:33
2011.65:565:33
2111.65:575:32
2211.65:575:32
2311.65:575:31
2411.65:575:31
2511.55:585:30
2611.55:585:30
2711.55:585:29
2811.55:595:29
2911.55:595:29
3011.55:595:28
3111.56:005:28

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.23 kWh/m² in April across the year — October's 4.6 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in October

Hazard calendar for Guastatoya

In seasonPeak

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

Guastatoya'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 October a good time to visit Guastatoya?

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

5.3
Sightseeing
7th-best month of the year
4.8
Beach & pool
10th-best month of the year

October is a reasonable time to visit Guastatoya for sightseeing.

What to pack for Guastatoya in October

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

In October, Guastatoya sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

UV index in Guastatoya 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 Guastatoya peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 12UV 14Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Guastatoya 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 Guastatoya is worst in April — around 55 µg/m³ PM2.5 (unhealthy), about 3.0× the cleanest month (November, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1853 µg/m³Nov 2318 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar25Moderate
Apr55Unhealthy
May39Poor
Jun24Moderate
Jul23Moderate
Aug21Moderate
Sep21Moderate
Oct20Moderate
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Guastatoya?

Guastatoya sits at 14.9°N, 90.1°W, 520 m above sea level, in Guatemala. The nearest listed city is Sanarate, 16 km away.

JalapaPalenciaSalamáSan Pedro AyampucSan Luis JilotepequeChinautlaSan José Pinula

Topography around Guastatoya

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

Within 3 km, the terrain around Guastatoya has large variations in elevation — a maximum elevation change of 682 m around an average of 638 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,805 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,984 m.

The land around Guastatoya is covered by shrubs (70%) within 3 km, shrubs (60%) and trees (24%) within 16 km, and trees (64%) within 80 km.

3 km
682 m
16 km
1,805 m
80 km
2,984 m
treesshrubsgrasslandcroplandartificial surfaces
October weather nearby: Sanarate 16 km · Jalapa 26 km · Palencia 37 km · Salamá 38 km · San Pedro Ayampuc 42 km · San Luis Jilotepeque 44 km · Chinautla 49 km · San José Pinula 50 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 Guastatoya (14.8544°, -90.0699°, elevation 520 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).