San Pedro weather in December
In December, San Pedro sees average daytime highs of 26°C and overnight lows near 24°C, with 103 mm of rain across 17.4 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 8th-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 55% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is San Pedro's 5th-clearest and 8th-windiest month. For the whole year in context, see San Pedro's year-round climate.
- Daytime high
- 26°
- 10th warmest
- Overnight low
- 24°
- 2nd coldest
- Rainfall
- 103 mm
- 17.4 wet days
- Daylight
- 10 h 54 min
- 6:20 AM – 5:16 PM
- Cloud cover
- 42%
- 5th clearest
- Wind
- 20 km/h
- 8th windiest
- Solar energy
- 4.05 kWh/m²
- Travel score
- 5.9
- 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 December
Day-to-day highs hold fairly steady near 26°C through the month.
A typical December 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 25°C and 27°C. Set against its neighbours, December runs on par with November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 25 |
| 2 | 26 | 25 |
| 3 | 26 | 25 |
| 4 | 26 | 25 |
| 5 | 26 | 25 |
| 6 | 26 | 25 |
| 7 | 26 | 24 |
| 8 | 26 | 24 |
| 9 | 26 | 24 |
| 10 | 26 | 24 |
| 11 | 26 | 24 |
| 12 | 26 | 24 |
| 13 | 26 | 24 |
| 14 | 26 | 24 |
| 15 | 26 | 24 |
| 16 | 26 | 24 |
| 17 | 26 | 24 |
| 18 | 26 | 24 |
| 19 | 26 | 24 |
| 20 | 26 | 24 |
| 21 | 26 | 24 |
| 22 | 26 | 24 |
| 23 | 26 | 24 |
| 24 | 26 | 24 |
| 25 | 26 | 24 |
| 26 | 26 | 24 |
| 27 | 26 | 24 |
| 28 | 26 | 24 |
| 29 | 26 | 24 |
| 30 | 26 | 24 |
| 31 | 26 | 24 |
How December really feels in San Pedro
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.
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 Pedro weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 24° | 94 | 15.5 | 11 | 6.3 |
| Feb | 26° / 24° | 38 | 8.8 | 11.4 | 7.3 |
| Mar | 26° / 25° | 35 | 7.7 | 11.9 | 7.6 |
| Apr | 27° / 26° | 32 | 7.1 | 12.4 | 7.4 |
| May | 28° / 27° | 104 | 14.2 | 12.8 | 6.0 |
| Jun | 28° / 27° | 204 | 21.1 | 13.1 | 4.3 |
| Jul | 28° / 27° | 142 | 20.7 | 13 | 4.6 |
| Aug | 29° / 27° | 180 | 22.4 | 12.6 | 4.3 |
| Sep | 29° / 27° | 216 | 24.7 | 12.1 | 3.8 |
| Oct | 28° / 26° | 280 | 23 | 11.6 | 4.4 |
| Nov | 27° / 25° | 179 | 18.8 | 11.2 | 5.4 |
| Dec | 26° / 24° | 103 | 17.4 | 10.9 | 5.9 |
Cloud cover in December
The sky is clear or mostly clear about 55% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 70 | 71 | 71 | 72 | 72 | 74 | 74 | 75 | 75 | 75 | 76 | 76 | 75 | 75 | 75 | 75 | 74 | 75 | 75 | 74 | 75 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 73 |
| Cloudier (%) | 30 | 29 | 29 | 28 | 28 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 71 | 29 |
| 3 | 71 | 29 |
| 4 | 72 | 28 |
| 5 | 72 | 28 |
| 6 | 74 | 26 |
| 7 | 74 | 26 |
| 8 | 75 | 25 |
| 9 | 75 | 25 |
| 10 | 75 | 25 |
| 11 | 76 | 24 |
| 12 | 76 | 24 |
| 13 | 75 | 25 |
| 14 | 75 | 25 |
| 15 | 75 | 25 |
| 16 | 75 | 25 |
| 17 | 74 | 26 |
| 18 | 75 | 25 |
| 19 | 75 | 25 |
| 20 | 74 | 26 |
| 21 | 75 | 25 |
| 22 | 74 | 26 |
| 23 | 74 | 26 |
| 24 | 74 | 26 |
| 25 | 74 | 26 |
| 26 | 74 | 26 |
| 27 | 74 | 26 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
| 31 | 73 | 27 |
Chance of precipitation in December
San Pedro gets around 103 mm of rain over 17.4 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 56% and peaks near 58% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 55 | 55 | 56 | 56 | 56 | 56 | 56 | 56 |
| Rain chance (%) | |
|---|---|
| 1 | 58 |
| 2 | 58 |
| 3 | 58 |
| 4 | 58 |
| 5 | 58 |
| 6 | 57 |
| 7 | 57 |
| 8 | 57 |
| 9 | 57 |
| 10 | 56 |
| 11 | 56 |
| 12 | 55 |
| 13 | 55 |
| 14 | 54 |
| 15 | 54 |
| 16 | 53 |
| 17 | 53 |
| 18 | 53 |
| 19 | 53 |
| 20 | 53 |
| 21 | 54 |
| 22 | 54 |
| 23 | 54 |
| 24 | 55 |
| 25 | 55 |
| 26 | 56 |
| 27 | 56 |
| 28 | 56 |
| 29 | 56 |
| 30 | 56 |
| 31 | 56 |
Humidity in December
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 61% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Humid (%) | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Muggy (%) | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Oppressive (%) | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 64 | 62 | 63 | 63 | 62 | 62 | 63 | 61 | 61 | 61 | 60 | 59 | 58 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 60 | 60 |
| Miserable (%) | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 1 | 8 | 23 | 62 | 6 |
| 2 | 0 | 1 | 8 | 23 | 62 | 6 |
| 3 | 0 | 2 | 8 | 23 | 62 | 5 |
| 4 | 0 | 2 | 9 | 22 | 62 | 5 |
| 5 | 0 | 2 | 9 | 22 | 62 | 5 |
| 6 | 0 | 2 | 9 | 21 | 63 | 5 |
| 7 | 0 | 2 | 10 | 21 | 63 | 4 |
| 8 | 0 | 2 | 10 | 20 | 64 | 4 |
| 9 | 0 | 3 | 11 | 20 | 62 | 4 |
| 10 | 0 | 3 | 11 | 20 | 63 | 3 |
| 11 | 0 | 3 | 11 | 20 | 63 | 3 |
| 12 | 0 | 3 | 12 | 20 | 62 | 3 |
| 13 | 0 | 3 | 12 | 20 | 62 | 3 |
| 14 | 0 | 3 | 12 | 20 | 63 | 2 |
| 15 | 0 | 4 | 12 | 21 | 61 | 2 |
| 16 | 0 | 4 | 12 | 21 | 61 | 2 |
| 17 | 0 | 4 | 12 | 21 | 61 | 2 |
| 18 | 1 | 4 | 12 | 21 | 60 | 2 |
| 19 | 1 | 4 | 12 | 22 | 59 | 2 |
| 20 | 1 | 4 | 12 | 22 | 58 | 3 |
| 21 | 1 | 4 | 12 | 22 | 58 | 3 |
| 22 | 1 | 4 | 12 | 22 | 58 | 3 |
| 23 | 1 | 4 | 12 | 22 | 58 | 3 |
| 24 | 1 | 4 | 12 | 22 | 58 | 3 |
| 25 | 1 | 4 | 11 | 22 | 59 | 3 |
| 26 | 1 | 4 | 11 | 22 | 59 | 3 |
| 27 | 1 | 4 | 11 | 22 | 59 | 3 |
| 28 | 1 | 4 | 11 | 22 | 59 | 3 |
| 29 | 1 | 4 | 11 | 22 | 59 | 3 |
| 30 | 1 | 4 | 11 | 22 | 60 | 2 |
| 31 | 1 | 4 | 11 | 22 | 60 | 2 |
Wind in December
Winds average 20 km/h in December.
Across December, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 20 | breezy |
| 2 | 20 | breezy |
| 3 | 20 | breezy |
| 4 | 20 | breezy |
| 5 | 20 | breezy |
| 6 | 20 | breezy |
| 7 | 20 | breezy |
| 8 | 20 | breezy |
| 9 | 20 | breezy |
| 10 | 20 | breezy |
| 11 | 20 | breezy |
| 12 | 20 | breezy |
| 13 | 20 | breezy |
| 14 | 20 | breezy |
| 15 | 20 | breezy |
| 16 | 20 | breezy |
| 17 | 20 | breezy |
| 18 | 21 | breezy |
| 19 | 21 | breezy |
| 20 | 21 | breezy |
| 21 | 21 | breezy |
| 22 | 21 | breezy |
| 23 | 21 | breezy |
| 24 | 21 | breezy |
| 25 | 21 | breezy |
| 26 | 21 | breezy |
| 27 | 21 | breezy |
| 28 | 21 | breezy |
| 29 | 21 | breezy |
| 30 | 21 | breezy |
| 31 | 21 | breezy |
Sunrise & sunset in December
Daylight runs from about 11 hours at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:12 AM to 6:27 AM, and sunset from 5:12 PM to 5:23 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 |
| Sunrise (AM) | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:27 |
| Sunset (PM) | 5:12 | 5:12 | 5:12 | 5:12 | 5:12 | 5:13 | 5:13 | 5:13 | 5:14 | 5:14 | 5:14 | 5:15 | 5:15 | 5:15 | 5:16 | 5:16 | 5:16 | 5:17 | 5:17 | 5:18 | 5:18 | 5:19 | 5:19 | 5:20 | 5:20 | 5:21 | 5:21 | 5:22 | 5:22 | 5:23 | 5:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:12 | 5:12 |
| 2 | 11.0 | 6:12 | 5:12 |
| 3 | 11.0 | 6:13 | 5:12 |
| 4 | 11.0 | 6:13 | 5:12 |
| 5 | 11.0 | 6:14 | 5:12 |
| 6 | 11.0 | 6:14 | 5:13 |
| 7 | 11.0 | 6:15 | 5:13 |
| 8 | 11.0 | 6:16 | 5:13 |
| 9 | 11.0 | 6:16 | 5:14 |
| 10 | 11.0 | 6:17 | 5:14 |
| 11 | 10.9 | 6:17 | 5:14 |
| 12 | 10.9 | 6:18 | 5:15 |
| 13 | 10.9 | 6:18 | 5:15 |
| 14 | 10.9 | 6:19 | 5:15 |
| 15 | 10.9 | 6:20 | 5:16 |
| 16 | 10.9 | 6:20 | 5:16 |
| 17 | 10.9 | 6:21 | 5:16 |
| 18 | 10.9 | 6:21 | 5:17 |
| 19 | 10.9 | 6:22 | 5:17 |
| 20 | 10.9 | 6:22 | 5:18 |
| 21 | 10.9 | 6:23 | 5:18 |
| 22 | 10.9 | 6:23 | 5:19 |
| 23 | 10.9 | 6:24 | 5:19 |
| 24 | 10.9 | 6:24 | 5:20 |
| 25 | 10.9 | 6:24 | 5:20 |
| 26 | 10.9 | 6:25 | 5:21 |
| 27 | 10.9 | 6:25 | 5:21 |
| 28 | 10.9 | 6:26 | 5:22 |
| 29 | 10.9 | 6:26 | 5:22 |
| 30 | 10.9 | 6:26 | 5:23 |
| 31 | 10.9 | 6:27 | 5:23 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.05 kWh/m² — the year's lowest.
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 — December's 4.05 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.1 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.1 | Bright |
| 4 | 4.1 | Bright |
| 5 | 4.1 | Bright |
| 6 | 4.1 | Bright |
| 7 | 4.1 | Bright |
| 8 | 4.1 | Bright |
| 9 | 4.0 | Bright |
| 10 | 4.0 | Bright |
| 11 | 4.0 | Bright |
| 12 | 4.0 | Bright |
| 13 | 4.0 | Bright |
| 14 | 4.0 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.0 | Bright |
| 18 | 4.0 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Bright |
| 21 | 4.0 | Bright |
| 22 | 4.0 | Bright |
| 23 | 4.0 | Bright |
| 24 | 4.0 | Bright |
| 25 | 4.0 | Bright |
| 26 | 4.0 | Bright |
| 27 | 4.0 | Bright |
| 28 | 4.0 | Bright |
| 29 | 4.0 | Bright |
| 30 | 4.0 | Bright |
| 31 | 4.1 | Bright |
Hazard calendar for San Pedro
None of San Pedro'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 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.
Is December a good time to visit San Pedro?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit San Pedro for sightseeing.
What to pack for San Pedro in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, San Pedro sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes and a windbreaker. About 17 days see rain.
Sea temperature near San Pedro 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in San Pedro in December
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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 11 | 12 | 13 | 11 | 13 | 12 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in San Pedro in December
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 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 10 | 9 | 14 | 19 | 30 | 31 | 22 | 14 | 9 | 6 | 6 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 10 | Good |
| Mar | 9 | Good |
| Apr | 14 | Moderate |
| May | 19 | Moderate |
| Jun | 30 | Moderate |
| Jul | 31 | Moderate |
| Aug | 22 | Moderate |
| Sep | 14 | Moderate |
| Oct | 9 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
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.
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.
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
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).