San Benito weather in December

In December, San Benito sees average daytime highs of 28°C and overnight lows near 20°C, with 44 mm of rain across 8.5 wet days and about 11 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of December to 11 hours by month's end. Set against the rest of the year, December is San Benito's 5th-clearest and 7th-windiest month. For the whole year in context, see San Benito's year-round climate.

Daytime high
28°
12th warmest
Overnight low
20°
2nd coldest
Rainfall
44 mm
8.5 wet days
Daylight
11 hours
6:26 AM – 5:26 PM
Cloud cover
54%
5th clearest
Wind
6 km/h
7th windiest
Solar energy
3.67 kWh/m²
Travel score
6.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in San Benito reaches about 28°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162819
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

How December really feels in San Benito

Once humidity and wind are folded in, December 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

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

San Benito weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°307.211.16.2
Feb31° / 20°143.511.45.3
Mar34° / 21°213.511.93.6
Apr36° / 23°365.412.42.0
May36° / 24°9912.212.81.8
Jun34° / 24°20922.7132.2
Jul33° / 23°14120.412.92.5
Aug33° / 23°18722.712.62.3
Sep32° / 23°23426.212.12.4
Oct30° / 23°17020.711.63.5
Nov29° / 21°7912.911.25.1
Dec28° / 20°448.5116.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 30% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25743
35743
45842
55842
65941
76040
86040
96139
106139
116238
126238
136337
146337
156337
166337
176337
186436
196436
206436
216337
226337
236337
246337
256238
266238
276139
286139
295941
305941
315941

Chance of precipitation in December

Any precipitation

San Benito gets around 44 mm of rain over 8.5 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 33% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
432
532
632
731
831
930
1030
1129
1229
1328
1427
1527
1626
1725
1825
1925
2024
2124
2224
2324
2424
2524
2625
2725
2825
2926
3026
3126

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101840491
201840491
301841491
402841481
502841481
602842480
703842470
803842470
903942460
1003942460
1104942450
12041042440
13041042440
14041141430
15041141430
16041241420
17051241410
18051341410
19051342400
20051442390
21041443390
22141443380
23141543370
24141544370
25141544370
26141544360
27141545360
28141545350
29141546340
30141546340
31141646330

Wind in December

Winds average 6 km/h in December.

Across December, 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
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:18 AM to 6:33 AM, and sunset from 5:21 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:185:21
211.16:185:21
311.06:195:22
411.06:195:22
511.06:205:22
611.06:205:22
711.06:215:23
811.06:225:23
911.06:225:23
1011.06:235:24
1111.06:235:24
1211.06:245:24
1311.06:245:25
1411.06:255:25
1511.06:255:25
1611.06:265:26
1711.06:265:26
1811.06:275:27
1911.06:285:27
2011.06:285:27
2111.06:285:28
2211.06:295:28
2311.06:295:29
2411.06:305:29
2511.06:305:30
2611.06:315:30
2711.06:315:31
2811.06:325:31
2911.06:325:32
3011.06:325:32
3111.06:335:33

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.67 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.18 kWh/m² in April across the year — December's 3.67 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in December

Hazard calendar for San Benito

In seasonPeak

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

San Benito sits in the Atlantic hurricane belt; the season peaks August–October.

San Benito's monsoon runs June–October, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit San Benito?

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

6.1
Sightseeing
2nd-best month of the year
7.2
Beach & pool
3rd-best month of the year

December is a reasonable time to visit San Benito for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Benito in December

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

In December, San Benito sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

UV index in San Benito in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Benito peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highExtremeExtremeVery highApr 10UV 13Dec 17UV 8
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May9Very high
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in San Benito in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Benito is worst in May — around 34 µg/m³ PM2.5 (moderate), about 6.0× the cleanest month (December, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1334 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar11Good
Apr32Moderate
May34Moderate
Jun26Moderate
Jul27Moderate
Aug19Moderate
Sep14Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is San Benito?

San Benito sits at 16.9°N, 89.9°W, 135 m above sea level, in Guatemala. The nearest listed city is Flores, 2.0 km away.

SayaxchéMelchor de MencosPoptúnSan IgnacioBelmopanChisecPunta Gorda

Topography around San Benito

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

Within 3 km, the terrain around San Benito has only modest variations in elevation — a maximum elevation change of 159 m around an average of 142 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, large variations in elevation — a maximum elevation change of 725 m.

The land around San Benito is covered by trees (35%) and artificial surfaces (29%) within 3 km, trees (48%) and grassland (40%) within 16 km, and trees (52%) and grassland (46%) within 80 km.

3 km
159 m
16 km
226 m
80 km
725 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Flores 2.0 km · Sayaxché 52 km · Melchor de Mencos 83 km · Poptún 84 km · San Ignacio 94 km · Belmopan 128 km · Chisec 129 km · Punta Gorda 149 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 San Benito (16.9168°, -89.919°, elevation 135 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).