Old Harbour weather in June
In June, Old Harbour sees average daytime highs of 29°C and overnight lows near 24°C, with 68 mm of rain across 11 wet days and about 13.1 hours of daylight. It is the 4th-warmest and 5th-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 28% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 13 hours at the start of June to 13 h 06 min by month's end. Set against the rest of the year, June is Old Harbour's 10th-clearest and 1st-windiest month. For the whole year in context, see Old Harbour's year-round climate.
- Daytime high
- 29°
- 4th warmest
- Overnight low
- 24°
- 9th coldest
- Rainfall
- 68 mm
- 11 wet days
- Daylight
- 13 h 06 min
- 5:37 AM – 6:41 PM
- Cloud cover
- 62%
- 10th clearest
- Wind
- 14 km/h
- 1st windiest
- Solar energy
- 6.46 kWh/m²
- Travel score
- 5.2
- out of 10
Old Harbour is city in Jamaica.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Day-to-day highs hold fairly steady near 29°C through the month.
A typical June day in Old Harbour reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, June runs on par with May and about 1°C cooler than July.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 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 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 24 |
| 2 | 29 | 24 |
| 3 | 29 | 24 |
| 4 | 29 | 24 |
| 5 | 29 | 24 |
| 6 | 29 | 24 |
| 7 | 29 | 24 |
| 8 | 29 | 24 |
| 9 | 29 | 24 |
| 10 | 29 | 24 |
| 11 | 29 | 24 |
| 12 | 29 | 24 |
| 13 | 29 | 24 |
| 14 | 29 | 24 |
| 15 | 29 | 24 |
| 16 | 29 | 24 |
| 17 | 29 | 24 |
| 18 | 29 | 24 |
| 19 | 29 | 24 |
| 20 | 29 | 24 |
| 21 | 29 | 24 |
| 22 | 29 | 24 |
| 23 | 29 | 24 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 30 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 30 | 24 |
| 30 | 30 | 24 |
How June really feels in Old Harbour
Once humidity and wind are folded in, June averages 21 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 June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Old Harbour weather by month
How June compares with the rest of the year at a glance. June is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 22° | 17 | 4.4 | 11 | 7.8 |
| Feb | 27° / 22° | 17 | 4.6 | 11.4 | 7.7 |
| Mar | 27° / 22° | 31 | 6.5 | 11.9 | 7.4 |
| Apr | 28° / 23° | 48 | 9.4 | 12.4 | 6.6 |
| May | 28° / 23° | 119 | 15.4 | 12.8 | 5.2 |
| Jun | 29° / 24° | 68 | 11 | 13.1 | 5.2 |
| Jul | 30° / 25° | 52 | 9.4 | 13 | 5.2 |
| Aug | 30° / 25° | 86 | 14.6 | 12.6 | 4.5 |
| Sep | 29° / 24° | 139 | 18.9 | 12.1 | 4.2 |
| Oct | 28° / 24° | 140 | 21.4 | 11.6 | 4.3 |
| Nov | 28° / 23° | 67 | 11.7 | 11.2 | 6.1 |
| Dec | 27° / 22° | 30 | 6.2 | 10.9 | 7.4 |
Cloud cover in June
The sky is clear or mostly clear about 28% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 54%. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 39 | 40 | 39 | 39 | 40 | 39 | 39 | 39 | 39 | 41 | 41 | 42 | 42 | 43 | 45 | 45 | 47 | 48 | 48 | 49 | 50 | 51 | 53 | 53 | 54 | 55 | 56 | 56 | 57 | 57 |
| Cloudier (%) | 61 | 60 | 61 | 61 | 60 | 61 | 61 | 61 | 61 | 59 | 59 | 58 | 58 | 57 | 55 | 55 | 53 | 52 | 52 | 51 | 50 | 49 | 47 | 47 | 46 | 45 | 44 | 44 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 39 | 61 |
| 2 | 40 | 60 |
| 3 | 39 | 61 |
| 4 | 39 | 61 |
| 5 | 40 | 60 |
| 6 | 39 | 61 |
| 7 | 39 | 61 |
| 8 | 39 | 61 |
| 9 | 39 | 61 |
| 10 | 41 | 59 |
| 11 | 41 | 59 |
| 12 | 42 | 58 |
| 13 | 42 | 58 |
| 14 | 43 | 57 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 47 | 53 |
| 18 | 48 | 52 |
| 19 | 48 | 52 |
| 20 | 49 | 51 |
| 21 | 50 | 50 |
| 22 | 51 | 49 |
| 23 | 53 | 47 |
| 24 | 53 | 47 |
| 25 | 54 | 46 |
| 26 | 55 | 45 |
| 27 | 56 | 44 |
| 28 | 56 | 44 |
| 29 | 57 | 43 |
| 30 | 57 | 43 |
Chance of precipitation in June
Old Harbour gets around 68 mm of rain over 11 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 51% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 42 | 41 | 41 | 40 | 39 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
| Rain chance (%) | |
|---|---|
| 1 | 51 |
| 2 | 50 |
| 3 | 49 |
| 4 | 48 |
| 5 | 47 |
| 6 | 46 |
| 7 | 45 |
| 8 | 44 |
| 9 | 42 |
| 10 | 41 |
| 11 | 41 |
| 12 | 40 |
| 13 | 39 |
| 14 | 38 |
| 15 | 37 |
| 16 | 37 |
| 17 | 36 |
| 18 | 35 |
| 19 | 34 |
| 20 | 33 |
| 21 | 32 |
| 22 | 31 |
| 23 | 31 |
| 24 | 30 |
| 25 | 29 |
| 26 | 29 |
| 27 | 29 |
| 28 | 29 |
| 29 | 29 |
| 30 | 29 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 94% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Oppressive (%) | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 | 91 |
| Miserable (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 96 | 2 |
| 2 | 2 | 96 | 2 |
| 3 | 2 | 96 | 2 |
| 4 | 2 | 96 | 2 |
| 5 | 2 | 96 | 2 |
| 6 | 2 | 96 | 2 |
| 7 | 2 | 96 | 2 |
| 8 | 2 | 96 | 2 |
| 9 | 2 | 96 | 2 |
| 10 | 2 | 96 | 2 |
| 11 | 2 | 96 | 2 |
| 12 | 2 | 96 | 2 |
| 13 | 2 | 96 | 2 |
| 14 | 3 | 95 | 2 |
| 15 | 3 | 95 | 2 |
| 16 | 3 | 95 | 2 |
| 17 | 4 | 94 | 2 |
| 18 | 4 | 94 | 2 |
| 19 | 4 | 94 | 2 |
| 20 | 4 | 94 | 2 |
| 21 | 5 | 93 | 2 |
| 22 | 5 | 93 | 2 |
| 23 | 5 | 93 | 2 |
| 24 | 6 | 92 | 2 |
| 25 | 6 | 92 | 2 |
| 26 | 6 | 92 | 2 |
| 27 | 7 | 91 | 2 |
| 28 | 7 | 91 | 2 |
| 29 | 7 | 91 | 2 |
| 30 | 7 | 91 | 2 |
Wind in June
Winds average 14 km/h in June, the windiest month of the year.
Across June, daily wind ranges from about 13 km/h on the calmest days to 14 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| 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 |
| 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 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 14 | light breeze |
| 15 | 14 | light breeze |
| 16 | 14 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
Sunrise & sunset in June
Daylight runs from about 13 hours at the start of June to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 5:36 AM to 5:40 AM, and sunset from 6:36 PM to 6:44 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 |
| Sunrise (AM) | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:38 | 5:38 | 5:39 | 5:39 | 5:39 | 5:39 | 5:40 |
| Sunset (PM) | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:43 | 6:43 | 6:43 | 6:44 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 5:36 | 6:36 |
| 2 | 13.0 | 5:36 | 6:36 |
| 3 | 13.0 | 5:36 | 6:37 |
| 4 | 13.0 | 5:36 | 6:37 |
| 5 | 13.0 | 5:36 | 6:37 |
| 6 | 13.0 | 5:36 | 6:38 |
| 7 | 13.0 | 5:36 | 6:38 |
| 8 | 13.0 | 5:36 | 6:38 |
| 9 | 13.0 | 5:36 | 6:39 |
| 10 | 13.0 | 5:36 | 6:39 |
| 11 | 13.1 | 5:36 | 6:39 |
| 12 | 13.1 | 5:36 | 6:40 |
| 13 | 13.1 | 5:36 | 6:40 |
| 14 | 13.1 | 5:36 | 6:40 |
| 15 | 13.1 | 5:36 | 6:40 |
| 16 | 13.1 | 5:37 | 6:41 |
| 17 | 13.1 | 5:37 | 6:41 |
| 18 | 13.1 | 5:37 | 6:41 |
| 19 | 13.1 | 5:37 | 6:42 |
| 20 | 13.1 | 5:37 | 6:42 |
| 21 | 13.1 | 5:37 | 6:42 |
| 22 | 13.1 | 5:38 | 6:42 |
| 23 | 13.1 | 5:38 | 6:42 |
| 24 | 13.1 | 5:38 | 6:43 |
| 25 | 13.1 | 5:38 | 6:43 |
| 26 | 13.1 | 5:39 | 6:43 |
| 27 | 13.1 | 5:39 | 6:43 |
| 28 | 13.1 | 5:39 | 6:43 |
| 29 | 13.1 | 5:39 | 6:43 |
| 30 | 13.1 | 5:40 | 6:44 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 6.46 kWh/m².
For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.68 kWh/m² in July across the year — June's 6.46 kWh/m² sits near the top of that range.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.5 | Intense |
| 17 | 6.5 | Intense |
| 18 | 6.5 | Intense |
| 19 | 6.5 | Intense |
| 20 | 6.5 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.6 | Intense |
| 23 | 6.6 | Intense |
| 24 | 6.6 | Intense |
| 25 | 6.6 | Intense |
| 26 | 6.6 | Intense |
| 27 | 6.6 | Intense |
| 28 | 6.7 | Intense |
| 29 | 6.7 | Intense |
| 30 | 6.7 | Intense |
Hazard calendar for Old Harbour
In June, Old Harbour sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Old Harbour sits in the Atlantic hurricane belt; the season peaks August–October.
Old Harbour's rainy season runs August–November, when most of the year's rain falls.
Is June a good time to visit Old Harbour?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Old Harbour for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Old Harbour in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Old Harbour sees daytime highs around 29°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.
Sea temperature near Old Harbour in June
The nearest coast averages about 28°C in June — 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 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Tropical |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Old Harbour in June
Clear-sky midday UV in June 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 Old Harbour peaks around April 21 at about 12 (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 | 12 | 12 | 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 | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Air quality in Old Harbour in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Old Harbour is worst in June — around 35 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (January, 17 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) | 17 | 17 | 18 | 18 | 24 | 35 | 34 | 29 | 23 | 24 | 20 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 17 | Moderate |
| Mar | 18 | Moderate |
| Apr | 18 | Moderate |
| May | 24 | Moderate |
| Jun | 35 | Poor |
| Jul | 34 | Moderate |
| Aug | 29 | Moderate |
| Sep | 23 | Moderate |
| Oct | 24 | Moderate |
| Nov | 20 | Moderate |
| Dec | 17 | Moderate |
Where is Old Harbour?
Old Harbour sits at 17.9°N, 77.1°W, 30 m above sea level, in Jamaica. The nearest listed city is May Pen, 15 km away.
Topography around Old Harbour
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Old Harbour.
Within 3 km, the terrain around Old Harbour has only modest variations in elevation — a maximum elevation change of 211 m around an average of 38 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 738 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,229 m.
The land around Old Harbour is covered by trees (46%), grassland (28%) and artificial surfaces (22%) within 3 km, trees (59%) within 16 km, and water (51%) and trees (40%) 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 Old Harbour (17.9414°, -77.109°, elevation 30 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).