Melchor de Mencos weather in January

In January, Melchor de Mencos sees average daytime highs of 29°C and overnight lows near 19°C, with 31 mm of rain across 8.3 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Melchor de Mencos's 4th-clearest and 8th-windiest month. For the whole year in context, see Melchor de Mencos's year-round climate.

Daytime high
29°
11th warmest
Overnight low
19°
1st coldest
Rainfall
31 mm
8.3 wet days
Daylight
11 h 06 min
6:33 AM – 5:38 PM
Cloud cover
52%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
3.77 kWh/m²
Travel score
6.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Melchor de Mencos reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142818
152818
162818
172918
182918
192918
202918
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

How January really feels in Melchor de Mencos

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Melchor de Mencos weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 9th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 26% of January, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
46040
56139
66139
76139
86238
96337
106337
116337
126337
136337
146337
156337
166436
176436
186337
196337
206337
216337
226238
236238
246238
256436
266436
276436
286535
296535
306733
316733

Chance of precipitation in January

Any precipitation

Melchor de Mencos gets around 31 mm of rain over 8.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
728
828
928
1027
1127
1227
1327
1426
1526
1626
1726
1826
1926
2026
2125
2225
2325
2425
2524
2624
2724
2824
2924
3024
3124

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
139185515
239195415
339195514
449205314
549215214
649225213
749235113
849245112
949255111
1049264911
11510274910
1251028489
1351028489
1451029488
1541029488
1641029498
1741129497
1841129497
1941129506
2031129516
2131129516
2231129525
2331129525
2421028555
2521028555
262927575
272926585
282925586
292924596
302923606
312922616

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:30 AM to 6:33 AM, and sunset from 5:30 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:305:30
211.06:305:30
311.06:315:31
411.06:315:31
511.06:315:32
611.06:315:33
711.06:325:33
811.06:325:34
911.06:325:34
1011.06:325:35
1111.06:335:35
1211.16:335:36
1311.16:335:37
1411.16:335:37
1511.16:335:38
1611.16:335:38
1711.16:335:39
1811.16:345:40
1911.16:345:40
2011.16:345:41
2111.16:345:41
2211.16:345:42
2311.16:345:42
2411.26:345:43
2511.26:345:44
2611.26:345:44
2711.26:345:45
2811.26:335:45
2911.26:335:46
3011.26:335:46
3111.26:335:47

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.77 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 — January's 3.77 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
264.0Moderate
274.0Moderate
284.0Bright
294.0Bright
304.0Bright
314.1Bright
Planning a trip in January

Hazard calendar for Melchor de Mencos

In seasonPeak

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

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 January a good time to visit Melchor de Mencos?

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

6.0
Sightseeing
1st-best month of the year
7.4
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Melchor de Mencos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Melchor de Mencos in January

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

In January, Melchor de Mencos sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: rain gear. About 8 days see rain.

light clothesrain gear

UV index in Melchor de Mencos in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

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