Caye Caulker weather in April

In April, Caye Caulker sees average daytime highs of 27°C and overnight lows near 26°C, with 29 mm of rain across 5.7 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 12th-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 70% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 36 min by month's end. Set against the rest of the year, April is Caye Caulker's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Caye Caulker's year-round climate.

Daytime high
27°
7th warmest
Overnight low
26°
7th coldest
Rainfall
29 mm
5.7 wet days
Daylight
12 h 24 min
5:40 AM – 6:04 PM
Cloud cover
32%
3rd clearest
Wind
23 km/h
3rd windiest
Solar energy
6.63 kWh/m²
Travel score
7.6
out of 10

Caye Caulker is island.

Density
693/km²
people per km²

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

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

A typical April day in Caye Caulker reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, April runs about 1°C warmer than March and about 1°C cooler than May.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726

How April really feels in Caye Caulker

Once humidity and wind are folded in, April 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

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

Caye Caulker weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°10216.211.16.2
Feb26° / 24°439.611.47.1
Mar26° / 25°387.911.97.6
Apr27° / 26°295.712.47.6
May28° / 27°10013.212.86.1
Jun28° / 27°19120.4134.4
Jul28° / 27°14220.7134.6
Aug29° / 27°18022.512.64.2
Sep29° / 27°20624.312.13.8
Oct28° / 26°30023.111.64.4
Nov27° / 25°20319.311.25.3
Dec26° / 24°11018115.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68515
78515
88515
98515
108614
118614
128614
138614
148614
158614
168614
178515
188515
198515
208416
218317
228317
238218
248119
258020
267921
277822
287723
297723
307624

Chance of precipitation in April

Any precipitation

Caye Caulker gets around 29 mm of rain over 5.7 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
117
217
316
416
515
615
715
815
915
1016
1116
1217
1318
1419
1520
1620
1721
1821
1922
2022
2122
2223
2323
2423
2523
2624
2724
2824
2924
3025

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14136320
24136320
34126321
44116322
54116223
64116223
74116124
84116124
94116124
105116024
115106124
125106124
135106124
145106124
155106124
165106025
175105926
18595927
19495928
20495730
21485632
22385633
23375436
24365338
25265240
26255142
27155044
28154946
29144847
30144749

Wind in April

Winds average 23 km/h in April.

Across April, daily wind ranges from about 23 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over April. Sunrise moves from 5:52 AM to 5:31 AM, and sunset from 6:01 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:526:01
212.25:516:01
312.25:516:02
412.25:506:02
512.25:496:02
612.25:486:02
712.35:476:02
812.35:476:03
912.35:466:03
1012.35:456:03
1112.35:446:03
1212.35:436:03
1312.45:436:04
1412.45:426:04
1512.45:416:04
1612.45:406:04
1712.45:406:05
1812.45:396:05
1912.45:386:05
2012.55:376:05
2112.55:376:06
2212.55:366:06
2312.55:356:06
2412.55:356:06
2512.55:346:07
2612.65:336:07
2712.65:336:07
2812.65:326:07
2912.65:316:08
3012.65:316:08

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.63 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.09 kWh/m² to a high of 6.63 kWh/m² in April across the year — April's 6.63 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in April

Hazard calendar for Caye Caulker

In seasonPeak

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

Caye Caulker sits in the Atlantic hurricane belt; the season peaks August–October.

Caye Caulker'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 April a good time to visit Caye Caulker?

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

7.6
Sightseeing
1st-best month of the year
7.7
Beach & pool
1st-best month of the year

April is one of the better times to visit Caye Caulker for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Caye Caulker in April

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

In April, Caye Caulker sees daytime highs around 27°C and nights near 26°C. Pack light clothes and sun protection. Worth having: a windbreaker. About 6 days see rain.

light clothessun protectiona windbreaker

Sea temperature near Caye Caulker in April

The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in September at about 30°C and coldest in January near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov28Warm
Dec27Warm

UV index in Caye Caulker in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caye Caulker 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 Caye Caulker in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Caye Caulker is worst in July — around 31 µg/m³ PM2.5 (moderate), about 5.0× the cleanest month (December, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1131 µg/m³Dec 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar9Good
Apr14Moderate
May19Moderate
Jun30Moderate
Jul31Moderate
Aug22Moderate
Sep14Moderate
Oct9Good
Nov6Good
Dec6Good
Location & terrain

Where is Caye Caulker?

Caye Caulker sits at 17.7°N, 88.0°W, 0 m above sea level, in Belize. The nearest listed city is San Pedro, 21 km away.

San PedroBelize CityCrooked TreeOrange WalkDangrigaChetumalBelmopanHopkins

Topography around Caye Caulker

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

Within 3 km, the terrain around Caye Caulker has only modest variations in elevation — a maximum elevation change of 6 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 8 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.

The land around Caye Caulker is covered by water (93%) within 3 km, water (97%) within 16 km, and water (63%) and trees (21%) within 80 km.

3 km
6 m
16 km
8 m
80 km
394 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
April weather nearby: San Pedro 21 km · Belize City 32 km · Crooked Tree 55 km · Orange Walk 68 km · Dangriga 88 km · Chetumal 92 km · Belmopan 95 km · Hopkins 101 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 Caye Caulker (17.7366°, -88.0276°, 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. 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).