San Pedro weather in January

In January, San Pedro sees average daytime highs of 26°C and overnight lows near 24°C, with 94 mm of rain across 15.5 wet days and about 11 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 57% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is San Pedro's 4th-clearest and 6th-windiest month. For the whole year in context, see San Pedro's year-round climate.

Daytime high
26°
12th warmest
Overnight low
24°
1st coldest
Rainfall
94 mm
15.5 wet days
Daylight
11 hours
6:30 AM – 5:32 PM
Cloud cover
41%
4th clearest
Wind
22 km/h
6th windiest
Solar energy
4.2 kWh/m²
Travel score
6.3
out of 10

San Pedro is town in Belize.

Density
245/km²
people per km²
Founded
1848

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical January day in San Pedro reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12624
22624
32624
42624
52624
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162524
172524
182524
192524
202524
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624
312624

How January really feels in San Pedro

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.

San Pedro weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°9415.5116.3
Feb26° / 24°388.811.47.3
Mar26° / 25°357.711.97.6
Apr27° / 26°327.112.47.4
May28° / 27°10414.212.86.0
Jun28° / 27°20421.113.14.3
Jul28° / 27°14220.7134.6
Aug29° / 27°18022.412.64.3
Sep29° / 27°21624.712.13.8
Oct28° / 26°2802311.64.4
Nov27° / 25°17918.811.25.4
Dec26° / 24°10317.410.95.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27426
37426
47426
57426
67426
77525
87525
97624
107624
117624
127624
137723
147723
157723
167723
177723
187723
197624
207624
217723
227723
237723
247822
257921
267921
277921
288119
298119
308218
318317

Chance of precipitation in January

Any precipitation

San Pedro gets around 94 mm of rain over 15.5 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 50% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
156
256
356
456
556
655
755
854
953
1053
1152
1252
1351
1451
1550
1650
1749
1849
1948
2048
2147
2247
2346
2445
2545
2644
2744
2843
2943
3042
3141

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141122602
2141122602
3141122602
4141123601
5151123591
6151124581
7151124581
8151125571
9161125561
10161225560
11161226550
12161326540
13161326540
14061326550
15061426540
16061426540
17061426540
18061526530
19051526540
20051526540
21051526540
22051526540
23041526550
24041526550
25041526550
26041426560
27031426570
28031426570
29031327570
30031326580
31031326580

Wind in January

Winds average 22 km/h in January.

Across January, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min 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 18 minutes over January. Sunrise moves from 6:27 AM to 6:29 AM, and sunset from 5:23 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:275:23
210.96:275:24
311.06:275:24
411.06:285:25
511.06:285:26
611.06:285:26
711.06:295:27
811.06:295:27
911.06:295:28
1011.06:295:29
1111.06:295:29
1211.06:305:30
1311.06:305:30
1411.06:305:31
1511.06:305:32
1611.06:305:32
1711.06:305:33
1811.16:305:33
1911.16:305:34
2011.16:305:35
2111.16:305:35
2211.16:305:36
2311.16:305:36
2411.16:305:37
2511.16:305:38
2611.16:305:38
2711.16:305:39
2811.26:305:39
2911.26:305:40
3011.26:305:40
3111.26:295:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.2 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.57 kWh/m² in April across the year — January's 4.2 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in January

Hazard calendar for San Pedro

In seasonPeak

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

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

San Pedro'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 January a good time to visit San Pedro?

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

6.3
Sightseeing
4th-best month of the year
5.9
Beach & pool
5th-best month of the year

January is a reasonable time to visit San Pedro for sightseeing.

What to pack for San Pedro in January

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

In January, San Pedro sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes and a windbreaker. About 16 days see rain.

rain gearlight clothesa windbreaker

Sea temperature near San Pedro in January

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

The sea offshore 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
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in San Pedro in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Pedro peaks around April 11 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 11UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in San Pedro 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 San Pedro 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 San Pedro?

San Pedro sits at 17.9°N, 88.0°W, 4 m above sea level, in Belize. The nearest listed city is Caye Caulker, 21 km away.

Caye CaulkerBelize CityCrooked TreeOrange WalkChetumalDangrigaBelmopan

Topography around San Pedro

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

Within 3 km, the terrain around San Pedro has only modest variations in elevation — a maximum elevation change of 9 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, only modest variations in elevation — a maximum elevation change of 93 m.

The land around San Pedro is covered by water (79%) within 3 km, water (94%) within 16 km, and water (63%) within 80 km.

3 km
9 m
16 km
12 m
80 km
93 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
January weather nearby: Caye Caulker 21 km · Belize City 52 km · Crooked Tree 63 km · Orange Walk 66 km · Chetumal 76 km · Bacalar 96 km · Dangriga 109 km · Belmopan 112 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 San Pedro (17.916°, -87.9659°, elevation 4 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).