Belize City weather in December

In December, Belize City sees average daytime highs of 27°C and overnight lows near 23°C, with 92 mm of rain across 17.5 wet days and about 11 hours of daylight. It is the 11th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 39% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Belize City's 5th-clearest and 9th-windiest month. For the whole year in context, see Belize City's year-round climate.

Daytime high
27°
11th warmest
Overnight low
23°
2nd coldest
Rainfall
92 mm
17.5 wet days
Daylight
11 hours
6:20 AM – 5:18 PM
Cloud cover
49%
5th clearest
Wind
13 km/h
9th windiest
Solar energy
3.85 kWh/m²
Travel score
5.6
out of 10

Belize City is most populous city in Belize and capital of the district of Belize.

Density
1,829/km²
people per km²
Founded
1638

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Belize City reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52723
62723
72723
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232722
242722
252722
262722
272722
282722
292722
302722
312722

How December really feels in Belize City

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.

Belize City weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°8415.811.15.9
Feb27° / 23°4011.211.46.4
Mar28° / 24°389.511.96.4
Apr30° / 25°398.812.45.6
May30° / 26°10616.312.84.2
Jun30° / 26°20823.9133.2
Jul30° / 26°1722512.93.3
Aug30° / 26°18626.112.63.1
Sep30° / 26°2182712.12.9
Oct29° / 25°24524.511.63.5
Nov28° / 23°16419.111.24.9
Dec27° / 23°9217.5115.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 28% of December, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36337
46535
56634
66634
76733
86832
96832
106832
116931
126931
136931
146931
156931
166931
176931
186931
196931
206931
216832
226832
236832
246733
256733
266733
276832
286733
296733
306733
316733

Chance of precipitation in December

Any precipitation

Belize City gets around 92 mm of rain over 17.5 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 57% and peaks near 60% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
260
360
459
559
659
759
858
958
1057
1157
1257
1356
1456
1555
1655
1755
1855
1955
2055
2155
2255
2355
2455
2555
2655
2755
2855
2956
3056
3156

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
113205620
213205719
313195819
414195719
514195818
614195818
714185918
814185918
924185917
1025195717
1125195717
1225205617
1325205617
1425215616
1526225416
1626225416
1726235415
1826235415
1926235415
2027235414
2127235414
2227235414
2327225514
2427225613
2527215713
2628215613
2728205812
2828205812
2928205812
3029195911
3129195911

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:12 AM to 6:27 AM, and sunset from 5:13 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:125:13
211.06:125:14
311.06:135:14
411.06:135:14
511.06:145:14
611.06:155:14
711.06:155:15
811.06:165:15
911.06:165:15
1011.06:175:16
1111.06:175:16
1211.06:185:16
1311.06:195:17
1411.06:195:17
1511.06:205:17
1611.06:205:18
1711.06:215:18
1811.06:215:19
1911.06:225:19
2011.06:225:19
2111.06:235:20
2211.06:235:20
2311.06:245:21
2411.06:245:21
2511.06:255:22
2611.06:255:22
2711.06:255:23
2811.06:265:23
2911.06:265:24
3011.06:275:24
3111.06:275:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.85 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 6.34 kWh/m² in April across the year — December's 3.85 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in December

Hazard calendar for Belize City

In seasonPeak

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

Belize City sits in the Atlantic hurricane belt; the season peaks August–October.

Belize City's rainy season runs June–November, 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 December a good time to visit Belize City?

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

5.6
Sightseeing
4th-best month of the year
5.7
Beach & pool
6th-best month of the year

December is a reasonable time to visit Belize City for sightseeing.

What to pack for Belize City in December

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

In December, Belize City sees daytime highs around 27°C and nights near 23°C. Pack light clothes and rain gear. About 18 days see rain.

light clothesrain gear

Sea temperature near Belize City in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in September at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Belize City in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Belize City peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (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 16UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Belize City 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 Belize City is worst in July — around 30 µg/m³ PM2.5 (moderate), about 5.4× the cleanest month (December, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1030 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr22Moderate
May28Moderate
Jun29Moderate
Jul30Moderate
Aug20Moderate
Sep14Moderate
Oct10Good
Nov6Good
Dec6Good
Location & terrain

Where is Belize City?

Belize City sits at 17.5°N, 88.2°W, 6 m above sea level, in Belize. The nearest listed city is Caye Caulker, 32 km away.

Caye CaulkerCrooked TreeSan PedroDangrigaBelmopanHopkinsOrange WalkSan Ignacio

Topography around Belize City

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

Within 3 km, the terrain around Belize City has only modest variations in elevation — a maximum elevation change of 16 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, large variations in elevation — a maximum elevation change of 974 m.

The land around Belize City is covered by water (52%) and artificial surfaces (30%) within 3 km, water (72%) within 16 km, and water (52%) and trees (31%) within 80 km.

3 km
16 m
16 km
23 m
80 km
974 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Caye Caulker 32 km · Crooked Tree 48 km · San Pedro 52 km · Dangriga 59 km · Belmopan 66 km · Hopkins 71 km · Orange Walk 75 km · San Ignacio 100 km

Belize travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / G
110 / 220 V · 60 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$7,865
2025
Happiness
6.7 / 10
World Happiness, 2025
Homicide rate
28.1
per 100k, 2022
Road deaths
22.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Roman Catholic 40%Protestant 32%none 16%other 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 Belize City (17.4995°, -88.1976°, elevation 6 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).