Royal Palm Beach in Summer
In summer (June, July and August), Royal Palm Beach sees average daytime highs around 87°F and overnight lows near 77°F, with 22.7 in of rain over about 73 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 87°F. The sky is clear or mostly clear about 17% of the time across summer, and the air most often feels oppressive.
Summer is Royal Palm Beach's weakest season of the year to visit on our travel score. For the whole year in context, see Royal Palm Beach's year-round climate.
- Avg daytime high
- 87°F
- warmest season of the year
- Avg overnight low
- 77°F
- Rainfall
- 22.7 in
- 73 wet days
- Avg wind
- 5 mph
- Travel score
- 3.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Royal Palm Beach in Summer
Across summer, daytime highs hold fairly steady around 87°F.
A typical summer day in Royal Palm Beach reaches about 87°F and drops to 77°F overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Royal Palm Beach
Once humidity and wind are folded in, summer brings about 92 days that feel above 90°F and 0 that feel at or below 32°F.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Royal Palm Beach 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 (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 73° / 60° | 1.6 | 6.2 | 10.5 | 7.5 |
| Feb | 75° / 62° | 1.7 | 5.8 | 11.1 | 7.7 |
| Mar | 77° / 64° | 2.4 | 7 | 11.8 | 7.4 |
| Apr | 81° / 69° | 2.5 | 8.2 | 12.6 | 6.9 |
| May | 84° / 73° | 4.3 | 12.7 | 13.3 | 5.3 |
| Jun | 87° / 76° | 8.0 | 22.8 | 13.6 | 3.4 |
| Jul | 88° / 77° | 7.1 | 24.5 | 13.5 | 3.0 |
| Aug | 88° / 78° | 7.7 | 25.9 | 12.9 | 2.8 |
| Sep | 86° / 77° | 7.4 | 23.8 | 12.2 | 3.3 |
| Oct | 83° / 74° | 4.0 | 13.9 | 11.4 | 5.4 |
| Nov | 78° / 68° | 1.6 | 7.5 | 10.7 | 7.2 |
| Dec | 75° / 63° | 1.3 | 5.8 | 10.4 | 7.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 17% of the time across summer.
Chance of precipitation in Summer
Royal Palm Beach gets around 22.7 in of rain over 73 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 5 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 36 min in early June to 12 h 36 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 5.8 kWh/m².
Hazard calendar for Royal Palm Beach
In summer, Royal Palm Beach overlaps its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Royal Palm Beach sits in the Atlantic hurricane belt; the season peaks August–October.
Royal Palm Beach's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Royal Palm Beach?
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 Royal Palm Beach.
What to pack for Royal Palm Beach in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Royal Palm Beach sees daytime highs around 87°F and nights near 77°F. Pack light clothes, rain gear and sun protection. About 73 days see rain.
Sea temperature near Royal Palm Beach in Summer
The nearest coast averages about 84°F 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 23 mi away) is warmest in August at about 85°F and coldest in February near 77°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 77 | 77 | 77 | 79 | 81 | 83 | 85 | 85 | 85 | 83 | 81 | 79 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 77 | Warm |
| Feb | 77 | Warm |
| Mar | 77 | Warm |
| Apr | 79 | Warm |
| May | 81 | Warm |
| Jun | 83 | Tropical |
| Jul | 85 | Tropical |
| Aug | 85 | Tropical |
| Sep | 85 | Tropical |
| Oct | 83 | Tropical |
| Nov | 81 | Warm |
| Dec | 79 | Warm |
UV index in Royal Palm Beach in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Royal Palm Beach peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).
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) | 5 | 7 | 9 | 9 | 10 | 11 | 12 | 10 | 9 | 8 | 6 | 5 |
| Level | High | High | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 10 | Extreme |
| Sep | 9 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Royal Palm Beach 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 Royal Palm Beach is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.5× 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 | 11 | 11 | 11 | 15 | 20 | 17 | 12 | 9 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 11 | Good |
| Jun | 15 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Royal Palm Beach?
Royal Palm Beach sits at 26.7°N, 80.2°W, 16 ft above sea level, in United States. The nearest listed city is Wellington, 3.7 mi away.
Topography around Royal Palm Beach
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Royal Palm Beach.
Within 2 miles, the terrain around Royal Palm Beach has only modest variations in elevation — a maximum elevation change of 46 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 154 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 200 ft.
The land around Royal Palm Beach is covered by artificial surfaces (36%) and trees (32%) within 2 miles, trees (32%), wetland (21%) and grassland (20%) within 10 miles, and water (38%) and wetland (22%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- 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 Royal Palm Beach (26.7084°, -80.2306°, elevation 16 ft), 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.