Port Antonio weather in August
In August, Port Antonio sees average daytime highs of 29°C and overnight lows near 25°C, with 102 mm of rain across 19.9 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 33% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Port Antonio's 7th-clearest and 9th-windiest month. For the whole year in context, see Port Antonio's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 25°
- 12th coldest
- Rainfall
- 102 mm
- 19.9 wet days
- Daylight
- 12 h 36 min
- 5:51 AM – 6:28 PM
- Cloud cover
- 58%
- 7th clearest
- Wind
- 12 km/h
- 9th windiest
- Solar energy
- 6.5 kWh/m²
- Travel score
- 4.5
- out of 10
Port Antonio is town of the parish of Portland, Jamaica.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 29°C through the month.
A typical August day in Port Antonio reaches about 29°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.
| 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 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| 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 | 28 | 25 |
| 2 | 28 | 25 |
| 3 | 28 | 25 |
| 4 | 28 | 25 |
| 5 | 28 | 25 |
| 6 | 28 | 25 |
| 7 | 28 | 25 |
| 8 | 28 | 25 |
| 9 | 29 | 25 |
| 10 | 29 | 25 |
| 11 | 29 | 25 |
| 12 | 29 | 25 |
| 13 | 29 | 25 |
| 14 | 29 | 25 |
| 15 | 29 | 25 |
| 16 | 29 | 25 |
| 17 | 29 | 25 |
| 18 | 29 | 25 |
| 19 | 29 | 25 |
| 20 | 29 | 25 |
| 21 | 29 | 25 |
| 22 | 29 | 25 |
| 23 | 29 | 25 |
| 24 | 29 | 25 |
| 25 | 29 | 25 |
| 26 | 29 | 25 |
| 27 | 29 | 25 |
| 28 | 29 | 25 |
| 29 | 29 | 25 |
| 30 | 29 | 25 |
| 31 | 29 | 25 |
How August really feels in Port Antonio
Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Port Antonio weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 23° | 98 | 20 | 11 | 5.6 |
| Feb | 25° / 22° | 65 | 17 | 11.4 | 5.8 |
| Mar | 25° / 23° | 87 | 18 | 11.9 | 5.9 |
| Apr | 26° / 23° | 76 | 17 | 12.4 | 5.7 |
| May | 27° / 24° | 138 | 21.3 | 12.8 | 4.9 |
| Jun | 28° / 25° | 96 | 16.7 | 13.1 | 5.2 |
| Jul | 28° / 25° | 83 | 17.1 | 13 | 5.1 |
| Aug | 29° / 25° | 102 | 19.9 | 12.6 | 4.5 |
| Sep | 28° / 25° | 131 | 21.4 | 12.1 | 4.2 |
| Oct | 28° / 25° | 183 | 24.7 | 11.6 | 4.2 |
| Nov | 27° / 24° | 156 | 22 | 11.1 | 4.7 |
| Dec | 26° / 23° | 123 | 20.5 | 10.9 | 5.3 |
Cloud cover in August
The sky is clear or mostly clear about 33% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 47%. 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 (%) | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 59 | 58 | 58 | 57 | 56 | 56 | 55 | 54 | 53 | 52 | 51 | 50 | 48 | 48 | 46 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 46 |
| Cloudier (%) | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 43 | 44 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 52 | 52 | 54 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 54 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 62 | 38 |
| 2 | 62 | 38 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 60 | 40 |
| 6 | 60 | 40 |
| 7 | 59 | 41 |
| 8 | 59 | 41 |
| 9 | 58 | 42 |
| 10 | 58 | 42 |
| 11 | 57 | 43 |
| 12 | 56 | 44 |
| 13 | 56 | 44 |
| 14 | 55 | 45 |
| 15 | 54 | 46 |
| 16 | 53 | 47 |
| 17 | 52 | 48 |
| 18 | 51 | 49 |
| 19 | 50 | 50 |
| 20 | 48 | 52 |
| 21 | 48 | 52 |
| 22 | 46 | 54 |
| 23 | 45 | 55 |
| 24 | 45 | 55 |
| 25 | 45 | 55 |
| 26 | 45 | 55 |
| 27 | 45 | 55 |
| 28 | 46 | 54 |
| 29 | 46 | 54 |
| 30 | 46 | 54 |
| 31 | 46 | 54 |
Chance of precipitation in August
Port Antonio gets around 102 mm of rain over 19.9 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 64% and peaks near 70% on the wettest days. The odds climb 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 (%) | 57 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 59 | 59 | 60 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 68 | 69 | 69 | 70 | 70 | 69 | 69 | 69 | 69 | 68 |
| Rain chance (%) | |
|---|---|
| 1 | 57 |
| 2 | 58 |
| 3 | 58 |
| 4 | 58 |
| 5 | 58 |
| 6 | 59 |
| 7 | 59 |
| 8 | 59 |
| 9 | 59 |
| 10 | 59 |
| 11 | 59 |
| 12 | 60 |
| 13 | 60 |
| 14 | 61 |
| 15 | 62 |
| 16 | 63 |
| 17 | 64 |
| 18 | 65 |
| 19 | 66 |
| 20 | 67 |
| 21 | 68 |
| 22 | 68 |
| 23 | 69 |
| 24 | 69 |
| 25 | 70 |
| 26 | 70 |
| 27 | 69 |
| 28 | 69 |
| 29 | 69 |
| 30 | 69 |
| 31 | 68 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 64% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 72 | 71 | 70 | 69 | 68 | 67 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 59 | 60 | 60 |
| Miserable (%) | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 40 | 40 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 72 | 28 |
| 2 | 71 | 29 |
| 3 | 70 | 30 |
| 4 | 69 | 31 |
| 5 | 68 | 32 |
| 6 | 67 | 33 |
| 7 | 66 | 34 |
| 8 | 66 | 34 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 65 | 35 |
| 12 | 65 | 35 |
| 13 | 64 | 36 |
| 14 | 64 | 36 |
| 15 | 64 | 36 |
| 16 | 64 | 36 |
| 17 | 64 | 36 |
| 18 | 64 | 36 |
| 19 | 63 | 37 |
| 20 | 63 | 37 |
| 21 | 63 | 37 |
| 22 | 62 | 38 |
| 23 | 62 | 38 |
| 24 | 61 | 39 |
| 25 | 61 | 39 |
| 26 | 60 | 40 |
| 27 | 60 | 40 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 60 | 40 |
| 31 | 60 | 40 |
Wind in August
Winds average 12 km/h in August.
Across August, daily wind ranges from about 11 km/h on the calmest days to 13 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) | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 12 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | calm |
| 19 | 12 | calm |
| 20 | 12 | calm |
| 21 | 12 | calm |
| 22 | 12 | calm |
| 23 | 12 | calm |
| 24 | 12 | calm |
| 25 | 12 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in August
Daylight runs from about 12 h 48 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over August. Sunrise moves from 5:47 AM to 5:54 AM, and sunset from 6:37 PM to 6:17 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) | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:51 | 5:51 | 5:52 | 5:52 | 5:52 | 5:52 | 5:52 | 5:53 | 5:53 | 5:53 | 5:53 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 |
| Sunset (PM) | 6:37 | 6:36 | 6:36 | 6:35 | 6:35 | 6:34 | 6:34 | 6:33 | 6:33 | 6:32 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 | 6:28 | 6:28 | 6:27 | 6:26 | 6:26 | 6:25 | 6:24 | 6:24 | 6:23 | 6:22 | 6:21 | 6:20 | 6:20 | 6:19 | 6:18 | 6:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 5:47 | 6:37 |
| 2 | 12.8 | 5:47 | 6:36 |
| 3 | 12.8 | 5:48 | 6:36 |
| 4 | 12.8 | 5:48 | 6:35 |
| 5 | 12.8 | 5:48 | 6:35 |
| 6 | 12.8 | 5:49 | 6:34 |
| 7 | 12.7 | 5:49 | 6:34 |
| 8 | 12.7 | 5:49 | 6:33 |
| 9 | 12.7 | 5:49 | 6:33 |
| 10 | 12.7 | 5:50 | 6:32 |
| 11 | 12.7 | 5:50 | 6:32 |
| 12 | 12.7 | 5:50 | 6:31 |
| 13 | 12.7 | 5:51 | 6:30 |
| 14 | 12.6 | 5:51 | 6:30 |
| 15 | 12.6 | 5:51 | 6:29 |
| 16 | 12.6 | 5:51 | 6:28 |
| 17 | 12.6 | 5:52 | 6:28 |
| 18 | 12.6 | 5:52 | 6:27 |
| 19 | 12.6 | 5:52 | 6:26 |
| 20 | 12.6 | 5:52 | 6:26 |
| 21 | 12.5 | 5:52 | 6:25 |
| 22 | 12.5 | 5:53 | 6:24 |
| 23 | 12.5 | 5:53 | 6:24 |
| 24 | 12.5 | 5:53 | 6:23 |
| 25 | 12.5 | 5:53 | 6:22 |
| 26 | 12.5 | 5:54 | 6:21 |
| 27 | 12.4 | 5:54 | 6:20 |
| 28 | 12.4 | 5:54 | 6:20 |
| 29 | 12.4 | 5:54 | 6:19 |
| 30 | 12.4 | 5:54 | 6:18 |
| 31 | 12.4 | 5:54 | 6:17 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.5 kWh/m².
For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.79 kWh/m² in July across the year — August's 6.5 kWh/m² falls in the middle.
| 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) | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.7 | Intense |
| 2 | 6.7 | Intense |
| 3 | 6.7 | Intense |
| 4 | 6.7 | Intense |
| 5 | 6.7 | Intense |
| 6 | 6.7 | Intense |
| 7 | 6.7 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.5 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
| 31 | 6.3 | Intense |
Hazard calendar for Port Antonio
In August, Port Antonio sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Port Antonio sits in the Atlantic hurricane belt; the season peaks August–October.
Is August a good time to visit Port Antonio?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Port Antonio for sightseeing.
What to pack for Port Antonio in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Port Antonio sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.
Sea temperature near Port Antonio in August
The nearest coast averages about 29°C in August — 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 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 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | 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 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Port Antonio in August
Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Port Antonio peaks around April 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 10 | 12 | 13 | 12 | 13 | 11 | 12 | 12 | 11 | 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 | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Port Antonio in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Port Antonio is worst in June — around 32 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (December, 8 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) | 8 | 10 | 10 | 12 | 19 | 32 | 31 | 25 | 17 | 14 | 9 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 10 | Good |
| Apr | 12 | Good |
| May | 19 | Moderate |
| Jun | 32 | Moderate |
| Jul | 31 | Moderate |
| Aug | 25 | Moderate |
| Sep | 17 | Moderate |
| Oct | 14 | Moderate |
| Nov | 9 | Good |
| Dec | 8 | Good |
Where is Port Antonio?
Port Antonio sits at 18.2°N, 76.5°W, 0 m above sea level, in Jamaica. The nearest listed city is Morant Bay, 33 km away.
Topography around Port Antonio
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port Antonio.
Within 3 km, the terrain around Port Antonio has significant variations in elevation — a maximum elevation change of 309 m around an average of 57 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,458 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.
The land around Port Antonio is covered by trees (59%) and water (36%) within 3 km, trees (51%) and water (48%) within 16 km, and water (68%) and trees (28%) within 80 km.
Jamaica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 110 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $8,003
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Homicide rate
- 49.4
- per 100k, 2023
- Road deaths
- 15.1
- 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 Port Antonio (18.1789°, -76.4522°, 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).