May Pen in Summer
In summer (June, July and August), May Pen sees average daytime highs around 31°C and overnight lows near 24°C, with 235 mm of rain over about 46 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels oppressive.
Summer is May Pen's weakest season of the year to visit on our travel score. For the whole year in context, see May Pen's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 235 mm
- 46 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.8
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in May Pen in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in May Pen reaches about 31°C and drops to 24°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in May Pen
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
May Pen weather by month
How the three summer months (June, July and August) 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 Summer
The sky is clear or mostly clear about 30% of the time across summer.
Chance of precipitation in Summer
May Pen gets around 235 mm of rain over 46 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 hours in early June to 12 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².
Hazard calendar for May Pen
In summer, 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 summer a good time to visit May Pen?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in May Pen.
What to pack for May Pen in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, May Pen sees daytime highs around 31°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 46 days see rain.
Sea temperature near May Pen in Summer
The nearest coast averages about 29°C across summer — 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 Summer
Clear-sky midday UV across summer averages 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 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 Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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.