Puerto Viejo weather in December
In December, Puerto Viejo sees average daytime highs of 27°C and overnight lows near 25°C, with 480 mm of rain across 26.4 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 3rd-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 29% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 30 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Puerto Viejo's 4th-clearest and 2nd-windiest month. For the whole year in context, see Puerto Viejo's year-round climate.
- Daytime high
- 27°
- 11th warmest
- Overnight low
- 25°
- 4th coldest
- Rainfall
- 480 mm
- 26.4 wet days
- Daylight
- 11 h 24 min
- 5:44 AM – 5:10 PM
- Cloud cover
- 61%
- 4th clearest
- Wind
- 10 km/h
- 2nd windiest
- Solar energy
- 3.99 kWh/m²
- Travel score
- 4.2
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 27°C through the month.
A typical December day in Puerto Viejo reaches about 27°C in the afternoon and slips back to 25°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 28°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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 25 |
| 2 | 27 | 25 |
| 3 | 27 | 25 |
| 4 | 27 | 25 |
| 5 | 27 | 25 |
| 6 | 27 | 25 |
| 7 | 27 | 25 |
| 8 | 27 | 25 |
| 9 | 27 | 25 |
| 10 | 27 | 25 |
| 11 | 27 | 25 |
| 12 | 27 | 25 |
| 13 | 27 | 25 |
| 14 | 27 | 25 |
| 15 | 27 | 25 |
| 16 | 27 | 25 |
| 17 | 27 | 25 |
| 18 | 27 | 25 |
| 19 | 27 | 25 |
| 20 | 27 | 25 |
| 21 | 27 | 25 |
| 22 | 27 | 25 |
| 23 | 27 | 25 |
| 24 | 27 | 25 |
| 25 | 27 | 25 |
| 26 | 27 | 25 |
| 27 | 27 | 25 |
| 28 | 27 | 25 |
| 29 | 27 | 25 |
| 30 | 27 | 25 |
| 31 | 27 | 25 |
Puerto Viejo weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 301 | 21.9 | 11.5 | 5.0 |
| Feb | 27° / 24° | 184 | 18.4 | 11.7 | 5.3 |
| Mar | 27° / 25° | 158 | 19.2 | 11.9 | 5.3 |
| Apr | 28° / 25° | 206 | 21.2 | 12.2 | 4.6 |
| May | 28° / 26° | 388 | 27 | 12.4 | 3.7 |
| Jun | 28° / 26° | 446 | 28.3 | 12.6 | 3.3 |
| Jul | 28° / 25° | 581 | 30.3 | 12.5 | 3.3 |
| Aug | 28° / 26° | 415 | 29 | 12.3 | 3.4 |
| Sep | 28° / 26° | 273 | 27.2 | 12.1 | 3.5 |
| Oct | 28° / 26° | 322 | 28 | 11.8 | 3.6 |
| Nov | 27° / 25° | 581 | 27.4 | 11.6 | 3.7 |
| Dec | 27° / 25° | 480 | 26.4 | 11.4 | 4.2 |
Cloud cover in December
The sky is clear or mostly clear about 29% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up 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 (%) | 34 | 37 | 37 | 37 | 38 | 39 | 40 | 40 | 41 | 42 | 42 | 44 | 45 | 45 | 47 | 48 | 49 | 50 | 51 | 53 | 54 | 54 | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 57 | 57 |
| Cloudier (%) | 66 | 63 | 63 | 63 | 62 | 61 | 60 | 60 | 59 | 58 | 58 | 56 | 55 | 55 | 53 | 52 | 51 | 50 | 49 | 47 | 46 | 46 | 45 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 34 | 66 |
| 2 | 37 | 63 |
| 3 | 37 | 63 |
| 4 | 37 | 63 |
| 5 | 38 | 62 |
| 6 | 39 | 61 |
| 7 | 40 | 60 |
| 8 | 40 | 60 |
| 9 | 41 | 59 |
| 10 | 42 | 58 |
| 11 | 42 | 58 |
| 12 | 44 | 56 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 47 | 53 |
| 16 | 48 | 52 |
| 17 | 49 | 51 |
| 18 | 50 | 50 |
| 19 | 51 | 49 |
| 20 | 53 | 47 |
| 21 | 54 | 46 |
| 22 | 54 | 46 |
| 23 | 55 | 45 |
| 24 | 56 | 44 |
| 25 | 56 | 44 |
| 26 | 57 | 43 |
| 27 | 57 | 43 |
| 28 | 57 | 43 |
| 29 | 57 | 43 |
| 30 | 57 | 43 |
| 31 | 57 | 43 |
Chance of precipitation in December
Puerto Viejo gets around 480 mm of rain over 26.4 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 85% and peaks near 91% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 91 | 91 | 90 | 90 | 90 | 89 | 89 | 88 | 88 | 87 | 87 | 86 | 86 | 85 | 85 | 84 | 84 | 83 | 83 | 83 | 83 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 81 | 81 | 80 |
| Rain chance (%) | |
|---|---|
| 1 | 91 |
| 2 | 91 |
| 3 | 90 |
| 4 | 90 |
| 5 | 90 |
| 6 | 89 |
| 7 | 89 |
| 8 | 88 |
| 9 | 88 |
| 10 | 87 |
| 11 | 87 |
| 12 | 86 |
| 13 | 86 |
| 14 | 85 |
| 15 | 85 |
| 16 | 84 |
| 17 | 84 |
| 18 | 83 |
| 19 | 83 |
| 20 | 83 |
| 21 | 83 |
| 22 | 82 |
| 23 | 82 |
| 24 | 82 |
| 25 | 82 |
| 26 | 82 |
| 27 | 82 |
| 28 | 82 |
| 29 | 81 |
| 30 | 81 |
| 31 | 80 |
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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 |
| Oppressive (%) | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 88 | 87 | 87 | 86 | 86 | 85 | 85 | 84 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 4 | 95 | 1 |
| 2 | 4 | 95 | 1 |
| 3 | 5 | 94 | 1 |
| 4 | 5 | 94 | 1 |
| 5 | 5 | 94 | 1 |
| 6 | 5 | 94 | 1 |
| 7 | 5 | 94 | 1 |
| 8 | 6 | 93 | 1 |
| 9 | 6 | 93 | 1 |
| 10 | 6 | 93 | 1 |
| 11 | 6 | 93 | 1 |
| 12 | 7 | 92 | 1 |
| 13 | 7 | 92 | 1 |
| 14 | 7 | 92 | 1 |
| 15 | 8 | 92 | 0 |
| 16 | 8 | 92 | 0 |
| 17 | 9 | 91 | 0 |
| 18 | 9 | 91 | 0 |
| 19 | 9 | 91 | 0 |
| 20 | 10 | 90 | 0 |
| 21 | 10 | 90 | 0 |
| 22 | 11 | 89 | 0 |
| 23 | 11 | 89 | 0 |
| 24 | 12 | 88 | 0 |
| 25 | 13 | 87 | 0 |
| 26 | 13 | 87 | 0 |
| 27 | 14 | 86 | 0 |
| 28 | 14 | 86 | 0 |
| 29 | 15 | 85 | 0 |
| 30 | 15 | 85 | 0 |
| 31 | 16 | 84 | 0 |
Wind in December
Winds average 10 km/h in December.
Across December, daily wind ranges from about 9 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in December
Daylight runs from about 11 h 30 min at the start of December to 11 h 24 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 5:36 AM to 5:51 AM, and sunset from 5:05 PM to 5:17 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) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 5:36 | 5:37 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 | 5:44 | 5:44 | 5:45 | 5:45 | 5:46 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:51 |
| Sunset (PM) | 5:05 | 5:05 | 5:06 | 5:06 | 5:06 | 5:07 | 5:07 | 5:07 | 5:08 | 5:08 | 5:08 | 5:09 | 5:09 | 5:10 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:15 | 5:16 | 5:16 | 5:17 | 5:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 5:36 | 5:05 |
| 2 | 11.5 | 5:37 | 5:05 |
| 3 | 11.5 | 5:37 | 5:06 |
| 4 | 11.5 | 5:38 | 5:06 |
| 5 | 11.5 | 5:38 | 5:06 |
| 6 | 11.5 | 5:39 | 5:07 |
| 7 | 11.5 | 5:39 | 5:07 |
| 8 | 11.5 | 5:40 | 5:07 |
| 9 | 11.5 | 5:40 | 5:08 |
| 10 | 11.4 | 5:41 | 5:08 |
| 11 | 11.4 | 5:41 | 5:08 |
| 12 | 11.4 | 5:42 | 5:09 |
| 13 | 11.4 | 5:43 | 5:09 |
| 14 | 11.4 | 5:43 | 5:10 |
| 15 | 11.4 | 5:44 | 5:10 |
| 16 | 11.4 | 5:44 | 5:10 |
| 17 | 11.4 | 5:44 | 5:11 |
| 18 | 11.4 | 5:45 | 5:11 |
| 19 | 11.4 | 5:45 | 5:12 |
| 20 | 11.4 | 5:46 | 5:12 |
| 21 | 11.4 | 5:46 | 5:13 |
| 22 | 11.4 | 5:47 | 5:13 |
| 23 | 11.4 | 5:47 | 5:14 |
| 24 | 11.4 | 5:48 | 5:14 |
| 25 | 11.4 | 5:48 | 5:15 |
| 26 | 11.4 | 5:49 | 5:15 |
| 27 | 11.4 | 5:49 | 5:15 |
| 28 | 11.4 | 5:50 | 5:16 |
| 29 | 11.4 | 5:50 | 5:16 |
| 30 | 11.4 | 5:50 | 5:17 |
| 31 | 11.4 | 5:51 | 5:17 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 3.99 kWh/m².
For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 5.6 kWh/m² in March across the year — December's 3.99 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) | 3.8 | 3.8 | 3.8 | 3.8 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.8 | Moderate |
| 2 | 3.8 | Moderate |
| 3 | 3.8 | Moderate |
| 4 | 3.8 | Moderate |
| 5 | 3.9 | Moderate |
| 6 | 3.9 | Moderate |
| 7 | 3.9 | Moderate |
| 8 | 3.9 | Moderate |
| 9 | 3.9 | Moderate |
| 10 | 3.9 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.9 | Moderate |
| 13 | 3.9 | Moderate |
| 14 | 3.9 | Moderate |
| 15 | 3.9 | Moderate |
| 16 | 3.9 | Moderate |
| 17 | 4.0 | Moderate |
| 18 | 4.0 | Moderate |
| 19 | 4.0 | Moderate |
| 20 | 4.0 | Bright |
| 21 | 4.0 | Bright |
| 22 | 4.0 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
| 31 | 4.2 | Bright |
Is December a good time to visit Puerto Viejo?
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 Puerto Viejo for sightseeing.
What to pack for Puerto Viejo in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Puerto Viejo sees daytime highs around 27°C and nights near 25°C. Pack rain gear. Worth having: light clothes. About 26 days see rain.
Sea temperature near Puerto Viejo in December
The nearest coast averages about 28°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 15 km away) is warmest in September at about 29°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 | 28 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 28 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in Puerto Viejo in December
Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Puerto Viejo peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (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) | 11 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in Puerto Viejo 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 Puerto Viejo is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 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 | 9 | 9 | 13 | 17 | 16 | 18 | 15 | 11 | 10 | 6 | 7 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 13 | Moderate |
| May | 17 | Moderate |
| Jun | 16 | Moderate |
| Jul | 18 | Moderate |
| Aug | 15 | Moderate |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 6 | Good |
| Dec | 7 | Good |
Where is Puerto Viejo?
Puerto Viejo sits at 9.7°N, 82.8°W, 0 m above sea level, in Costa Rica. The nearest listed city is Changuinola, 36 km away.
Topography around Puerto Viejo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Puerto Viejo.
Within 3 km, the terrain around Puerto Viejo has only modest variations in elevation — a maximum elevation change of 206 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 884 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,593 m.
The land around Puerto Viejo is covered by water (52%) and trees (46%) within 3 km, trees (54%) and water (43%) within 16 km, and trees (63%) and water (35%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- 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 Puerto Viejo (9.6569°, -82.7545°, 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. 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).