May Pen in Fall
In fall (September, October and November), May Pen sees average daytime highs around 30°C and overnight lows near 23°C, with 353 mm of rain over about 59 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 31°C in early September to 29°C by late November. The sky is clear or mostly clear about 26% of the time across fall, and the air most often feels oppressive.
Fall is May Pen's 3rd-best season to visit on our travel score. For the whole year in context, see May Pen's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 353 mm
- 59 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.9
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in May Pen in Fall
Over the season highs ease from about 31°C in early September to 29°C by late November.
A typical fall day in May Pen reaches about 30°C and drops to 23°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in May Pen
Once humidity and wind are folded in, fall brings about 75 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
May Pen weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 21° | 19 | 6.5 | 11 | 6.7 |
| Feb | 28° / 20° | 22 | 6.7 | 11.4 | 6.5 |
| Mar | 29° / 21° | 38 | 8.9 | 11.9 | 6.0 |
| Apr | 30° / 22° | 61 | 11.9 | 12.4 | 5.1 |
| May | 30° / 23° | 132 | 18.5 | 12.8 | 4.1 |
| Jun | 31° / 23° | 75 | 14.3 | 13.1 | 4.1 |
| Jul | 32° / 24° | 62 | 13.2 | 13 | 3.9 |
| Aug | 32° / 24° | 98 | 18.1 | 12.6 | 3.4 |
| Sep | 31° / 23° | 144 | 21.5 | 12.1 | 3.2 |
| Oct | 30° / 23° | 139 | 23.4 | 11.6 | 3.6 |
| Nov | 29° / 22° | 70 | 13.9 | 11.2 | 4.9 |
| Dec | 29° / 21° | 33 | 7.8 | 10.9 | 6.3 |
Cloud cover in Fall
The sky is clear or mostly clear about 26% of the time across fall.
Chance of precipitation in Fall
May Pen gets around 353 mm of rain over 59 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 11 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.0 kWh/m².
Hazard calendar for May Pen
In fall, May Pen overlaps its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
May Pen sits in the Atlantic hurricane belt; the season peaks August–October.
May Pen's rainy season runs August–November, when most of the year's rain falls.
Is fall a good time to visit May Pen?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in May Pen.
What to pack for May Pen in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, May Pen sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 59 days see rain.
Sea temperature near May Pen in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 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 | 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 May Pen in Fall
Clear-sky midday UV across fall averages 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 May Pen 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 May Pen in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in May Pen 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 May Pen?
May Pen sits at 18.0°N, 77.2°W, 81 m above sea level, in Jamaica. The nearest listed city is Old Harbour, 15 km away.
Topography around May Pen
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of May Pen.
Within 3 km, the terrain around May Pen has only modest variations in elevation — a maximum elevation change of 100 m around an average of 74 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 734 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,229 m.
The land around May Pen is covered by trees (54%) and artificial surfaces (26%) within 3 km, trees (68%) and grassland (23%) 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 May Pen (17.9645°, -77.2451°, elevation 81 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.