Royal Palm Beach weather in May
In May, Royal Palm Beach sees average daytime highs of 84°F and overnight lows near 73°F, with 4.3 in of rain across 12.7 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 13 hours at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Royal Palm Beach's 4th-clearest and 8th-windiest month. For the whole year in context, see Royal Palm Beach's year-round climate.
- Daytime high
- 84°
- 5th warmest
- Overnight low
- 73°
- 7th coldest
- Rainfall
- 4.3 in
- 12.7 wet days
- Daylight
- 13 h 18 min
- 5:38 AM – 6:56 PM
- Cloud cover
- 52%
- 4th clearest
- Wind
- 7 mph
- 8th windiest
- Solar energy
- 6.23 kWh/m²
- Travel score
- 5.3
- out of 10
Royal Palm Beach is village in Palm Beach County, Florida, United States of America.
- Density
- 1,287/km²
- people per km²
- Founded
- 1959
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 84°F through the month.
A typical May day in Royal Palm Beach reaches about 84°F in the afternoon and slips back to 73°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 88°F. Set against its neighbours, May runs about 3°F warmer than April and about 3°F cooler than June.
| 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 (°F) | 82 | 82 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 |
| Avg low (°F) | 71 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 82 | 71 |
| 2 | 82 | 71 |
| 3 | 83 | 71 |
| 4 | 83 | 71 |
| 5 | 83 | 71 |
| 6 | 83 | 71 |
| 7 | 83 | 72 |
| 8 | 83 | 72 |
| 9 | 83 | 72 |
| 10 | 83 | 72 |
| 11 | 84 | 72 |
| 12 | 84 | 72 |
| 13 | 84 | 72 |
| 14 | 84 | 73 |
| 15 | 84 | 73 |
| 16 | 84 | 73 |
| 17 | 84 | 73 |
| 18 | 84 | 73 |
| 19 | 84 | 73 |
| 20 | 84 | 73 |
| 21 | 84 | 73 |
| 22 | 84 | 74 |
| 23 | 85 | 74 |
| 24 | 85 | 74 |
| 25 | 85 | 74 |
| 26 | 85 | 74 |
| 27 | 85 | 74 |
| 28 | 85 | 74 |
| 29 | 85 | 74 |
| 30 | 85 | 74 |
| 31 | 85 | 75 |
How May really feels in Royal Palm Beach
Once humidity and wind are folded in, May averages 5 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Royal Palm Beach weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.
| 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 May
The sky is clear or mostly clear about 35% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 40%. 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 (%) | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 65 | 65 | 64 | 64 | 64 | 63 | 62 | 62 | 61 | 60 | 59 | 58 | 59 | 58 | 57 | 56 | 56 | 55 | 53 | 52 | 51 | 50 | 49 |
| Cloudier (%) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 35 | 35 | 36 | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 41 | 42 | 43 | 44 | 44 | 45 | 47 | 48 | 49 | 50 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 65 | 35 |
| 3 | 65 | 35 |
| 4 | 65 | 35 |
| 5 | 65 | 35 |
| 6 | 65 | 35 |
| 7 | 65 | 35 |
| 8 | 66 | 34 |
| 9 | 65 | 35 |
| 10 | 65 | 35 |
| 11 | 64 | 36 |
| 12 | 64 | 36 |
| 13 | 64 | 36 |
| 14 | 63 | 37 |
| 15 | 62 | 38 |
| 16 | 62 | 38 |
| 17 | 61 | 39 |
| 18 | 60 | 40 |
| 19 | 59 | 41 |
| 20 | 58 | 42 |
| 21 | 59 | 41 |
| 22 | 58 | 42 |
| 23 | 57 | 43 |
| 24 | 56 | 44 |
| 25 | 56 | 44 |
| 26 | 55 | 45 |
| 27 | 53 | 47 |
| 28 | 52 | 48 |
| 29 | 51 | 49 |
| 30 | 50 | 50 |
| 31 | 49 | 51 |
Chance of precipitation in May
Royal Palm Beach gets around 4.3 in of rain over 12.7 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 43% and peaks near 62% 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 (%) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 32 | 32 | 34 | 35 | 36 | 38 | 40 | 41 | 43 | 45 | 46 | 48 | 49 | 50 | 52 | 53 | 54 | 55 | 56 | 58 | 59 | 61 | 62 |
| Rain chance (%) | |
|---|---|
| 1 | 30 |
| 2 | 30 |
| 3 | 30 |
| 4 | 30 |
| 5 | 30 |
| 6 | 30 |
| 7 | 30 |
| 8 | 31 |
| 9 | 32 |
| 10 | 32 |
| 11 | 34 |
| 12 | 35 |
| 13 | 36 |
| 14 | 38 |
| 15 | 40 |
| 16 | 41 |
| 17 | 43 |
| 18 | 45 |
| 19 | 46 |
| 20 | 48 |
| 21 | 49 |
| 22 | 50 |
| 23 | 52 |
| 24 | 53 |
| 25 | 54 |
| 26 | 55 |
| 27 | 56 |
| 28 | 58 |
| 29 | 59 |
| 30 | 61 |
| 31 | 62 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 80% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 6 | 5 | 5 | 4 |
| Muggy (%) | 40 | 40 | 41 | 42 | 43 | 43 | 44 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 43 | 42 | 40 | 39 | 37 | 36 | 34 | 33 | 31 | 30 | 28 | 26 | 24 | 22 | 20 |
| Oppressive (%) | 22 | 23 | 23 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 28 | 30 | 31 | 33 | 35 | 37 | 39 | 41 | 44 | 46 | 48 | 51 | 54 | 56 | 58 | 59 | 63 | 65 | 68 | 69 | 71 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 4 | 13 | 22 | 40 | 22 | 0 |
| 2 | 3 | 13 | 21 | 40 | 23 | 0 |
| 3 | 3 | 12 | 20 | 41 | 23 | 0 |
| 4 | 3 | 12 | 20 | 42 | 24 | 0 |
| 5 | 3 | 12 | 19 | 43 | 24 | 0 |
| 6 | 2 | 11 | 19 | 43 | 24 | 0 |
| 7 | 2 | 11 | 19 | 44 | 25 | 0 |
| 8 | 2 | 10 | 18 | 44 | 26 | 0 |
| 9 | 2 | 9 | 18 | 45 | 26 | 0 |
| 10 | 1 | 9 | 18 | 45 | 27 | 0 |
| 11 | 1 | 8 | 17 | 45 | 28 | 0 |
| 12 | 1 | 7 | 17 | 45 | 30 | 0 |
| 13 | 1 | 7 | 16 | 45 | 31 | 0 |
| 14 | 1 | 6 | 16 | 45 | 33 | 0 |
| 15 | 1 | 5 | 15 | 45 | 35 | 0 |
| 16 | 0 | 5 | 15 | 44 | 37 | 0 |
| 17 | 0 | 4 | 14 | 43 | 39 | 0 |
| 18 | 0 | 3 | 14 | 42 | 41 | 0 |
| 19 | 0 | 3 | 13 | 40 | 44 | 0 |
| 20 | 0 | 2 | 13 | 39 | 46 | 0 |
| 21 | 0 | 2 | 12 | 37 | 48 | 0 |
| 22 | 0 | 1 | 11 | 36 | 51 | 1 |
| 23 | 0 | 1 | 10 | 34 | 54 | 1 |
| 24 | 0 | 1 | 9 | 33 | 56 | 1 |
| 25 | 0 | 1 | 9 | 31 | 58 | 1 |
| 26 | 0 | 1 | 8 | 30 | 59 | 2 |
| 27 | 0 | 0 | 7 | 28 | 63 | 2 |
| 28 | 0 | 0 | 6 | 26 | 65 | 3 |
| 29 | 0 | 0 | 5 | 24 | 68 | 3 |
| 30 | 0 | 0 | 5 | 22 | 69 | 4 |
| 31 | 0 | 0 | 4 | 20 | 71 | 5 |
Wind in May
Winds average 7 mph in May.
Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph 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 (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 |
| Feels | light breeze | light breeze | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | light breeze |
| 2 | 7 | light breeze |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in May
Daylight runs from about 13 hours at the start of May to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over May. Sunrise moves from 5:48 AM to 5:32 AM, and sunset from 6:48 PM to 7:05 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) | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.2 | 13.2 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 | 13.5 |
| Sunrise (AM) | 5:48 | 5:47 | 5:47 | 5:46 | 5:45 | 5:44 | 5:44 | 5:43 | 5:42 | 5:42 | 5:41 | 5:40 | 5:40 | 5:39 | 5:38 | 5:38 | 5:37 | 5:37 | 5:36 | 5:36 | 5:35 | 5:35 | 5:35 | 5:34 | 5:34 | 5:34 | 5:33 | 5:33 | 5:33 | 5:32 | 5:32 |
| Sunset (PM) | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 | 6:53 | 6:54 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:57 | 6:58 | 6:58 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:02 | 7:02 | 7:03 | 7:04 | 7:04 | 7:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.0 | 5:48 | 6:48 |
| 2 | 13.0 | 5:47 | 6:49 |
| 3 | 13.0 | 5:47 | 6:49 |
| 4 | 13.1 | 5:46 | 6:50 |
| 5 | 13.1 | 5:45 | 6:50 |
| 6 | 13.1 | 5:44 | 6:51 |
| 7 | 13.1 | 5:44 | 6:51 |
| 8 | 13.2 | 5:43 | 6:52 |
| 9 | 13.2 | 5:42 | 6:52 |
| 10 | 13.2 | 5:42 | 6:53 |
| 11 | 13.2 | 5:41 | 6:54 |
| 12 | 13.2 | 5:40 | 6:54 |
| 13 | 13.3 | 5:40 | 6:55 |
| 14 | 13.3 | 5:39 | 6:55 |
| 15 | 13.3 | 5:38 | 6:56 |
| 16 | 13.3 | 5:38 | 6:56 |
| 17 | 13.3 | 5:37 | 6:57 |
| 18 | 13.3 | 5:37 | 6:58 |
| 19 | 13.4 | 5:36 | 6:58 |
| 20 | 13.4 | 5:36 | 6:59 |
| 21 | 13.4 | 5:35 | 6:59 |
| 22 | 13.4 | 5:35 | 7:00 |
| 23 | 13.4 | 5:35 | 7:00 |
| 24 | 13.4 | 5:34 | 7:01 |
| 25 | 13.5 | 5:34 | 7:01 |
| 26 | 13.5 | 5:34 | 7:02 |
| 27 | 13.5 | 5:33 | 7:02 |
| 28 | 13.5 | 5:33 | 7:03 |
| 29 | 13.5 | 5:33 | 7:04 |
| 30 | 13.5 | 5:32 | 7:04 |
| 31 | 13.5 | 5:32 | 7:05 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.23 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 6.23 kWh/m² in May across the year — May's 6.23 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 |
| 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 | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.0 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Royal Palm Beach
In May, Royal Palm Beach sits inside its 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 May a good time to visit Royal Palm Beach?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Royal Palm Beach for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Royal Palm Beach in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Royal Palm Beach sees daytime highs around 84°F and nights near 73°F. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.
Sea temperature near Royal Palm Beach in May
The nearest coast averages about 81°F in May — 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 May
Clear-sky midday UV in May peaks 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 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 May
Average fine-particle pollution (PM2.5) through the year — so you can see where May 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. 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).