Melchor de Mencos weather in October

In October, Melchor de Mencos sees average daytime highs of 31°C and overnight lows near 22°C, with 132 mm of rain across 19.8 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 30°C by the end. The sky is clear or mostly clear about 16% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of October to 11 h 24 min by month's end. Set against the rest of the year, October is Melchor de Mencos's 10th-clearest and 11th-windiest month. For the whole year in context, see Melchor de Mencos's year-round climate.

Daytime high
31°
9th warmest
Overnight low
22°
7th coldest
Rainfall
132 mm
19.8 wet days
Daylight
11 h 36 min
5:53 AM – 5:30 PM
Cloud cover
71%
10th clearest
Wind
7 km/h
11th windiest
Solar energy
4.18 kWh/m²
Travel score
3.5
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 30°C by the end.

A typical October day in Melchor de Mencos reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°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, October runs about 2°C cooler than September and about 2°C warmer than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133122
143122
153122
163122
173122
183122
193122
203022
213022
223022
233022
243022
253022
263022
273022
283021
293021
303021
313021

How October really feels in Melchor de Mencos

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Melchor de Mencos weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°318.311.16.0
Feb31° / 19°194.911.45.2
Mar33° / 20°285.311.94.0
Apr35° / 22°314.912.42.8
May35° / 23°7811.112.82.4
Jun33° / 24°12419132.6
Jul33° / 23°6714.412.92.9
Aug34° / 23°9616.812.62.5
Sep33° / 23°14922.612.12.4
Oct31° / 22°13219.811.63.5
Nov29° / 20°7413.211.25.0
Dec29° / 19°429.7115.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42674
52674
62674
72773
82773
92773
102773
112773
122773
132872
142971
152971
163070
173367
183367
193565
203565
213763
223862
233862
244060
254060
264159
274159
284258
294357
304357
314357

Chance of precipitation in October

Any precipitation

Melchor de Mencos gets around 132 mm of rain over 19.8 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 65% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
176
276
375
474
573
673
772
871
971
1071
1170
1270
1369
1469
1568
1667
1766
1865
1963
2062
2161
2260
2358
2457
2557
2656
2755
2854
2954
3053
3153

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1005869
2005869
3005869
4006868
5016858
6017848
7017848
8018847
9018847
10019837
110110827
120111817
130111817
140112807
150113797
160214777
170216766
180317746
190318736
200420706
210421705
220523675
230524665
240625654
250626644
260627634
270728623
280728623
290829603
301930582
311930582

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 7 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
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 h 24 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 5:50 AM to 5:59 AM, and sunset from 5:41 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:505:41
211.85:505:40
311.85:515:39
411.85:515:39
511.85:515:38
611.85:515:37
711.85:515:36
811.75:515:36
911.75:525:35
1011.75:525:34
1111.75:525:33
1211.75:525:33
1311.75:535:32
1411.65:535:31
1511.65:535:31
1611.65:535:30
1711.65:545:29
1811.65:545:29
1911.65:545:28
2011.55:555:27
2111.55:555:27
2211.55:555:26
2311.55:565:26
2411.55:565:25
2511.55:565:25
2611.55:575:24
2711.45:575:24
2811.45:575:23
2911.45:585:23
3011.45:585:22
3111.45:595:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.18 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 6.08 kWh/m² in April across the year — October's 4.18 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.0Bright
264.0Bright
274.0Bright
284.0Moderate
294.0Moderate
304.0Moderate
313.9Moderate
Planning a trip in October

Hazard calendar for Melchor de Mencos

In seasonPeak

In October, Melchor de Mencos sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Melchor de Mencos's rainy season runs August–November, when most of the year's rain falls.

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

Is October a good time to visit Melchor de Mencos?

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

3.5
Sightseeing
6th-best month of the year
5.1
Beach & pool
9th-best month of the year

October is a weaker month for outdoor sightseeing in Melchor de Mencos.

What to pack for Melchor de Mencos in October

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

In October, Melchor de Mencos sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. About 20 days see rain.

light clothesrain gear

UV index in Melchor de Mencos in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Melchor de Mencos peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highExtremeVery highApr 10UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May10Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Melchor de Mencos 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 Melchor de Mencos is worst in May — around 30 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (December, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1529 µg/m³Dec 186 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar10Good
Apr28Moderate
May30Moderate
Jun26Moderate
Jul28Moderate
Aug19Moderate
Sep14Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is Melchor de Mencos?

Melchor de Mencos sits at 17.1°N, 89.2°W, 0 m above sea level, in Guatemala. The nearest listed city is San Ignacio, 14 km away.

BelmopanFloresSan BenitoPoptúnHopkinsDangrigaCrooked Tree

Topography around Melchor de Mencos

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

Within 3 km, the terrain around Melchor de Mencos has only modest variations in elevation — a maximum elevation change of 173 m around an average of 141 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 502 m; within 80 km, large variations in elevation — a maximum elevation change of 1,117 m.

The land around Melchor de Mencos is covered by trees (60%) and grassland (28%) within 3 km, trees (67%) and grassland (31%) within 16 km, and trees (78%) within 80 km.

3 km
173 m
16 km
502 m
80 km
1,117 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: San Ignacio 14 km · Belmopan 46 km · Flores 81 km · San Benito 83 km · Poptún 86 km · Hopkins 95 km · Dangriga 98 km · Crooked Tree 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 Melchor de Mencos (17.0661°, -89.1523°, elevation 0 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).