San Fernando weather in December
In December, San Fernando sees average daytime highs of 28°C and overnight lows near 24°C, with 89 mm of rain across 17 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is San Fernando's 4th-clearest and 7th-windiest month. For the whole year in context, see San Fernando's year-round climate.
- Daytime high
- 28°
- 11th warmest
- Overnight low
- 24°
- 4th coldest
- Rainfall
- 89 mm
- 17 wet days
- Daylight
- 11 h 24 min
- 6:20 AM – 5:44 PM
- Cloud cover
- 58%
- 4th clearest
- Wind
- 15 km/h
- 7th windiest
- Solar energy
- 4.74 kWh/m²
- Travel score
- 5.4
- out of 10
San Fernando is city in Trinidad and Tobago.
- Density
- 2,973/km²
- people per km²
- Founded
- 1595
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 28°C through the month.
A typical December day in San Fernando reaches about 28°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 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 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 25 |
| 2 | 28 | 25 |
| 3 | 28 | 25 |
| 4 | 28 | 25 |
| 5 | 28 | 25 |
| 6 | 28 | 25 |
| 7 | 28 | 25 |
| 8 | 28 | 25 |
| 9 | 28 | 25 |
| 10 | 28 | 25 |
| 11 | 28 | 25 |
| 12 | 28 | 24 |
| 13 | 28 | 24 |
| 14 | 28 | 24 |
| 15 | 28 | 24 |
| 16 | 28 | 24 |
| 17 | 28 | 24 |
| 18 | 28 | 24 |
| 19 | 28 | 24 |
| 20 | 28 | 24 |
| 21 | 28 | 24 |
| 22 | 28 | 24 |
| 23 | 28 | 24 |
| 24 | 28 | 24 |
| 25 | 28 | 24 |
| 26 | 28 | 24 |
| 27 | 28 | 24 |
| 28 | 28 | 24 |
| 29 | 28 | 24 |
| 30 | 28 | 24 |
| 31 | 28 | 24 |
How December really feels in San Fernando
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 Fernando weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 24° | 39 | 9.1 | 11.5 | 6.7 |
| Feb | 28° / 24° | 18 | 5.4 | 11.7 | 7.0 |
| Mar | 28° / 24° | 22 | 5 | 11.9 | 6.5 |
| Apr | 29° / 25° | 28 | 6 | 12.2 | 5.9 |
| May | 29° / 25° | 61 | 12.3 | 12.5 | 5.1 |
| Jun | 28° / 25° | 138 | 21.8 | 12.6 | 4.1 |
| Jul | 28° / 25° | 152 | 26.3 | 12.5 | 3.7 |
| Aug | 29° / 25° | 165 | 26.5 | 12.3 | 3.6 |
| Sep | 29° / 26° | 123 | 22.4 | 12.1 | 3.8 |
| Oct | 29° / 25° | 132 | 23.1 | 11.8 | 3.9 |
| Nov | 28° / 25° | 144 | 23.7 | 11.5 | 4.0 |
| Dec | 28° / 24° | 89 | 17 | 11.4 | 5.4 |
Cloud cover in December
The sky is clear or mostly clear about 30% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 46%. 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 (%) | 44 | 44 | 45 | 45 | 47 | 47 | 48 | 47 | 49 | 50 | 51 | 51 | 52 | 52 | 53 | 53 | 54 | 54 | 56 | 56 | 57 | 58 | 59 | 61 | 61 | 63 | 65 | 65 | 67 | 67 | 69 |
| Cloudier (%) | 56 | 56 | 55 | 55 | 53 | 53 | 52 | 53 | 51 | 50 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 44 | 44 | 43 | 42 | 41 | 39 | 39 | 37 | 35 | 35 | 33 | 33 | 31 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 44 | 56 |
| 3 | 45 | 55 |
| 4 | 45 | 55 |
| 5 | 47 | 53 |
| 6 | 47 | 53 |
| 7 | 48 | 52 |
| 8 | 47 | 53 |
| 9 | 49 | 51 |
| 10 | 50 | 50 |
| 11 | 51 | 49 |
| 12 | 51 | 49 |
| 13 | 52 | 48 |
| 14 | 52 | 48 |
| 15 | 53 | 47 |
| 16 | 53 | 47 |
| 17 | 54 | 46 |
| 18 | 54 | 46 |
| 19 | 56 | 44 |
| 20 | 56 | 44 |
| 21 | 57 | 43 |
| 22 | 58 | 42 |
| 23 | 59 | 41 |
| 24 | 61 | 39 |
| 25 | 61 | 39 |
| 26 | 63 | 37 |
| 27 | 65 | 35 |
| 28 | 65 | 35 |
| 29 | 67 | 33 |
| 30 | 67 | 33 |
| 31 | 69 | 31 |
Chance of precipitation in December
San Fernando gets around 89 mm of rain over 17 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 55% and peaks near 71% 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 (%) | 71 | 71 | 70 | 69 | 67 | 66 | 65 | 64 | 62 | 61 | 60 | 59 | 58 | 57 | 55 | 54 | 53 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 |
| Rain chance (%) | |
|---|---|
| 1 | 71 |
| 2 | 71 |
| 3 | 70 |
| 4 | 69 |
| 5 | 67 |
| 6 | 66 |
| 7 | 65 |
| 8 | 64 |
| 9 | 62 |
| 10 | 61 |
| 11 | 60 |
| 12 | 59 |
| 13 | 58 |
| 14 | 57 |
| 15 | 55 |
| 16 | 54 |
| 17 | 53 |
| 18 | 52 |
| 19 | 51 |
| 20 | 50 |
| 21 | 49 |
| 22 | 48 |
| 23 | 47 |
| 24 | 46 |
| 25 | 45 |
| 26 | 44 |
| 27 | 43 |
| 28 | 42 |
| 29 | 41 |
| 30 | 40 |
| 31 | 39 |
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 92% 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 (%) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 |
| Oppressive (%) | 85 | 85 | 86 | 87 | 88 | 89 | 90 | 90 | 91 | 92 | 93 | 92 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 93 |
| Miserable (%) | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 85 | 15 |
| 2 | 1 | 85 | 14 |
| 3 | 1 | 86 | 13 |
| 4 | 1 | 87 | 12 |
| 5 | 1 | 88 | 11 |
| 6 | 1 | 89 | 10 |
| 7 | 1 | 90 | 9 |
| 8 | 2 | 90 | 8 |
| 9 | 2 | 91 | 7 |
| 10 | 2 | 92 | 6 |
| 11 | 2 | 93 | 5 |
| 12 | 3 | 92 | 5 |
| 13 | 3 | 93 | 4 |
| 14 | 3 | 93 | 4 |
| 15 | 3 | 94 | 3 |
| 16 | 3 | 94 | 3 |
| 17 | 4 | 94 | 2 |
| 18 | 4 | 94 | 2 |
| 19 | 4 | 94 | 2 |
| 20 | 4 | 94 | 2 |
| 21 | 4 | 94 | 2 |
| 22 | 4 | 94 | 2 |
| 23 | 5 | 94 | 1 |
| 24 | 5 | 94 | 1 |
| 25 | 5 | 94 | 1 |
| 26 | 5 | 94 | 1 |
| 27 | 6 | 93 | 1 |
| 28 | 6 | 93 | 1 |
| 29 | 6 | 93 | 1 |
| 30 | 7 | 92 | 1 |
| 31 | 7 | 93 | 0 |
Wind in December
Winds average 15 km/h in December.
Across December, daily wind ranges from about 15 km/h on the calmest days to 16 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in December
Daylight runs from about 11 h 24 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 grow by about 0 minutes over December. Sunrise moves from 6:12 AM to 6:27 AM, and sunset from 5:39 PM to 5:51 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) | 11.4 | 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 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 |
| Sunrise (AM) | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:27 |
| Sunset (PM) | 5:39 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:41 | 5:42 | 5:42 | 5:42 | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:47 | 5:47 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 | 5:50 | 5:51 | 5:51 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:12 | 5:39 |
| 2 | 11.4 | 6:13 | 5:39 |
| 3 | 11.4 | 6:13 | 5:39 |
| 4 | 11.4 | 6:14 | 5:40 |
| 5 | 11.4 | 6:14 | 5:40 |
| 6 | 11.4 | 6:15 | 5:40 |
| 7 | 11.4 | 6:15 | 5:41 |
| 8 | 11.4 | 6:16 | 5:41 |
| 9 | 11.4 | 6:16 | 5:41 |
| 10 | 11.4 | 6:17 | 5:42 |
| 11 | 11.4 | 6:17 | 5:42 |
| 12 | 11.4 | 6:18 | 5:42 |
| 13 | 11.4 | 6:18 | 5:43 |
| 14 | 11.4 | 6:19 | 5:43 |
| 15 | 11.4 | 6:19 | 5:44 |
| 16 | 11.4 | 6:20 | 5:44 |
| 17 | 11.4 | 6:20 | 5:45 |
| 18 | 11.4 | 6:21 | 5:45 |
| 19 | 11.4 | 6:21 | 5:45 |
| 20 | 11.4 | 6:22 | 5:46 |
| 21 | 11.4 | 6:22 | 5:46 |
| 22 | 11.4 | 6:23 | 5:47 |
| 23 | 11.4 | 6:23 | 5:47 |
| 24 | 11.4 | 6:24 | 5:48 |
| 25 | 11.4 | 6:24 | 5:48 |
| 26 | 11.4 | 6:25 | 5:49 |
| 27 | 11.4 | 6:25 | 5:49 |
| 28 | 11.4 | 6:26 | 5:50 |
| 29 | 11.4 | 6:26 | 5:50 |
| 30 | 11.4 | 6:26 | 5:51 |
| 31 | 11.4 | 6:27 | 5:51 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.74 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 6.25 kWh/m² in April across the year — December's 4.74 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) | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 |
| 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 | 4.6 | Bright |
| 2 | 4.6 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.8 | Bright |
| 24 | 4.8 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.8 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.9 | Bright |
| 31 | 4.9 | Bright |
Hazard calendar for San Fernando
In December, San Fernando sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
San Fernando's rainy season runs June–December, when most of the year's rain falls.
Is December a good time to visit San Fernando?
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 Fernando for sightseeing.
What to pack for San Fernando in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, San Fernando sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.
Sea temperature near San Fernando 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 20 km away) is warmest in September at about 29°C and coldest in February 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 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in San Fernando in December
Clear-sky midday UV in December peaks around 9 (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 Fernando peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (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 | 14 | 13 | 11 | 11 | 11 | 13 | 12 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in San Fernando 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 Fernando is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 14 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) | 15 | 18 | 19 | 23 | 26 | 31 | 24 | 18 | 15 | 17 | 14 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 18 | Moderate |
| Mar | 19 | Moderate |
| Apr | 23 | Moderate |
| May | 26 | Moderate |
| Jun | 31 | Moderate |
| Jul | 24 | Moderate |
| Aug | 18 | Moderate |
| Sep | 15 | Moderate |
| Oct | 17 | Moderate |
| Nov | 14 | Moderate |
| Dec | 15 | Moderate |
Where is San Fernando?
San Fernando sits at 10.3°N, 61.5°W, 28 m above sea level, in Trinidad and Tobago. The nearest listed city is Mon Repos, 2.0 km away.
Topography around San Fernando
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Fernando.
Within 3 km, the terrain around San Fernando has only modest variations in elevation — a maximum elevation change of 156 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 318 m; within 80 km, large variations in elevation — a maximum elevation change of 1,037 m.
The land around San Fernando is covered by water (49%) and artificial surfaces (39%) within 3 km, grassland (32%), water (32%) and trees (22%) within 16 km, and water (66%) and trees (22%) within 80 km.
Trinidad and Tobago travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 115 / 230 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $18,967
- 2025
- Happiness
- 5.9 / 10
- World Happiness, 2025
- Safe drinking water
- 69%
- of population, 2024
- Homicide rate
- 40.4
- per 100k, 2022
- Road deaths
- 9.3
- per 100k/yr, 2019
- Income group
- High
- 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 Fernando (10.2797°, -61.4684°, elevation 28 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).