Mayagüez weather in May
In May, Mayagüez sees average daytime highs of 28°C and overnight lows near 25°C, with 70 mm of rain across 14.8 wet days and about 12.8 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Mayagüez's 11th-clearest and 10th-windiest month. For the whole year in context, see Mayagüez's year-round climate.
- Daytime high
- 28°
- 6th warmest
- Overnight low
- 25°
- 6th coldest
- Rainfall
- 70 mm
- 14.8 wet days
- Daylight
- 12 h 54 min
- 5:59 AM – 6:50 PM
- Cloud cover
- 60%
- 11th clearest
- Wind
- 13 km/h
- 10th windiest
- Solar energy
- 6.5 kWh/m²
- Travel score
- 5.7
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 28°C through the month.
A typical May day in Mayagüez reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C 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 (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 25 |
| 2 | 27 | 25 |
| 3 | 27 | 25 |
| 4 | 27 | 25 |
| 5 | 27 | 25 |
| 6 | 27 | 25 |
| 7 | 28 | 25 |
| 8 | 28 | 25 |
| 9 | 28 | 25 |
| 10 | 28 | 25 |
| 11 | 28 | 25 |
| 12 | 28 | 25 |
| 13 | 28 | 25 |
| 14 | 28 | 25 |
| 15 | 28 | 25 |
| 16 | 28 | 25 |
| 17 | 28 | 25 |
| 18 | 28 | 25 |
| 19 | 28 | 25 |
| 20 | 28 | 25 |
| 21 | 28 | 25 |
| 22 | 28 | 26 |
| 23 | 28 | 26 |
| 24 | 28 | 26 |
| 25 | 28 | 26 |
| 26 | 28 | 26 |
| 27 | 28 | 26 |
| 28 | 28 | 26 |
| 29 | 28 | 26 |
| 30 | 28 | 26 |
| 31 | 28 | 26 |
How May really feels in Mayagüez
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Mayagüez weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 16 | 4.9 | 11 | 7.8 |
| Feb | 26° / 24° | 19 | 6.3 | 11.4 | 7.6 |
| Mar | 26° / 24° | 28 | 9.1 | 11.9 | 7.2 |
| Apr | 27° / 24° | 36 | 10.5 | 12.4 | 6.7 |
| May | 28° / 25° | 70 | 14.8 | 12.8 | 5.7 |
| Jun | 29° / 26° | 47 | 13.2 | 13.1 | 5.1 |
| Jul | 29° / 26° | 51 | 14.4 | 13 | 5.0 |
| Aug | 29° / 27° | 67 | 16.8 | 12.6 | 4.6 |
| Sep | 29° / 26° | 98 | 17.4 | 12.1 | 4.6 |
| Oct | 28° / 26° | 71 | 15.6 | 11.6 | 5.1 |
| Nov | 28° / 25° | 55 | 10.3 | 11.1 | 6.4 |
| Dec | 27° / 25° | 18 | 4.6 | 10.9 | 7.7 |
Cloud cover in May
The sky is clear or mostly clear about 29% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 47%. 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 (%) | 72 | 71 | 69 | 68 | 67 | 65 | 64 | 62 | 61 | 59 | 57 | 55 | 54 | 52 | 51 | 49 | 48 | 47 | 47 | 45 | 44 | 43 | 43 | 42 | 43 | 43 | 42 | 42 | 44 | 44 | 44 |
| Cloudier (%) | 28 | 29 | 31 | 32 | 33 | 35 | 36 | 38 | 39 | 41 | 43 | 45 | 46 | 48 | 49 | 51 | 52 | 53 | 53 | 55 | 56 | 57 | 57 | 58 | 57 | 57 | 58 | 58 | 56 | 56 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 72 | 28 |
| 2 | 71 | 29 |
| 3 | 69 | 31 |
| 4 | 68 | 32 |
| 5 | 67 | 33 |
| 6 | 65 | 35 |
| 7 | 64 | 36 |
| 8 | 62 | 38 |
| 9 | 61 | 39 |
| 10 | 59 | 41 |
| 11 | 57 | 43 |
| 12 | 55 | 45 |
| 13 | 54 | 46 |
| 14 | 52 | 48 |
| 15 | 51 | 49 |
| 16 | 49 | 51 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 47 | 53 |
| 20 | 45 | 55 |
| 21 | 44 | 56 |
| 22 | 43 | 57 |
| 23 | 43 | 57 |
| 24 | 42 | 58 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 42 | 58 |
| 28 | 42 | 58 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Chance of precipitation in May
Mayagüez gets around 70 mm of rain over 14.8 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 47% and peaks near 52% 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 (%) | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 47 | 47 | 48 | 48 | 49 | 50 | 50 | 51 | 51 | 51 | 51 | 52 | 51 | 51 | 51 | 50 | 50 |
| Rain chance (%) | |
|---|---|
| 1 | 39 |
| 2 | 40 |
| 3 | 40 |
| 4 | 41 |
| 5 | 41 |
| 6 | 42 |
| 7 | 42 |
| 8 | 43 |
| 9 | 43 |
| 10 | 44 |
| 11 | 44 |
| 12 | 45 |
| 13 | 45 |
| 14 | 46 |
| 15 | 47 |
| 16 | 47 |
| 17 | 48 |
| 18 | 48 |
| 19 | 49 |
| 20 | 50 |
| 21 | 50 |
| 22 | 51 |
| 23 | 51 |
| 24 | 51 |
| 25 | 51 |
| 26 | 52 |
| 27 | 51 |
| 28 | 51 |
| 29 | 51 |
| 30 | 50 |
| 31 | 50 |
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 88% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 74 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 82 | 84 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 95 | 94 | 94 | 95 | 94 | 94 | 94 |
| Miserable (%) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 1 | 24 | 74 | 1 |
| 2 | 1 | 23 | 76 | 0 |
| 3 | 1 | 22 | 77 | 0 |
| 4 | 1 | 21 | 78 | 0 |
| 5 | 1 | 20 | 79 | 0 |
| 6 | 1 | 19 | 80 | 0 |
| 7 | 1 | 18 | 81 | 0 |
| 8 | 1 | 17 | 82 | 0 |
| 9 | 1 | 16 | 82 | 1 |
| 10 | 0 | 15 | 84 | 1 |
| 11 | 0 | 13 | 86 | 1 |
| 12 | 0 | 12 | 87 | 1 |
| 13 | 0 | 11 | 88 | 1 |
| 14 | 0 | 10 | 89 | 1 |
| 15 | 0 | 9 | 90 | 1 |
| 16 | 0 | 8 | 91 | 1 |
| 17 | 0 | 7 | 92 | 1 |
| 18 | 0 | 6 | 93 | 1 |
| 19 | 0 | 5 | 93 | 2 |
| 20 | 0 | 5 | 93 | 2 |
| 21 | 0 | 4 | 94 | 2 |
| 22 | 0 | 4 | 94 | 2 |
| 23 | 0 | 3 | 94 | 3 |
| 24 | 0 | 3 | 94 | 3 |
| 25 | 0 | 2 | 95 | 3 |
| 26 | 0 | 2 | 94 | 4 |
| 27 | 0 | 2 | 94 | 4 |
| 28 | 0 | 1 | 95 | 4 |
| 29 | 0 | 1 | 94 | 5 |
| 30 | 0 | 1 | 94 | 5 |
| 31 | 0 | 1 | 94 | 5 |
Wind in May
Winds average 13 km/h in May.
Across May, daily wind ranges from about 11 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
| 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 | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | 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 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | calm |
| 24 | 12 | calm |
| 25 | 12 | calm |
| 26 | 12 | calm |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 11 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 42 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over May. Sunrise moves from 6:06 AM to 5:56 AM, and sunset from 6:45 PM to 6:56 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) | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 |
| Sunrise (AM) | 6:06 | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:03 | 6:03 | 6:02 | 6:02 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 | 5:59 | 5:58 | 5:58 | 5:58 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 |
| Sunset (PM) | 6:45 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:47 | 6:48 | 6:48 | 6:48 | 6:49 | 6:49 | 6:49 | 6:50 | 6:50 | 6:50 | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:53 | 6:53 | 6:53 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 6:06 | 6:45 |
| 2 | 12.7 | 6:06 | 6:46 |
| 3 | 12.7 | 6:05 | 6:46 |
| 4 | 12.7 | 6:05 | 6:46 |
| 5 | 12.7 | 6:04 | 6:47 |
| 6 | 12.7 | 6:04 | 6:47 |
| 7 | 12.7 | 6:03 | 6:47 |
| 8 | 12.8 | 6:03 | 6:48 |
| 9 | 12.8 | 6:02 | 6:48 |
| 10 | 12.8 | 6:02 | 6:48 |
| 11 | 12.8 | 6:01 | 6:49 |
| 12 | 12.8 | 6:01 | 6:49 |
| 13 | 12.8 | 6:00 | 6:49 |
| 14 | 12.8 | 6:00 | 6:50 |
| 15 | 12.8 | 6:00 | 6:50 |
| 16 | 12.9 | 5:59 | 6:50 |
| 17 | 12.9 | 5:59 | 6:51 |
| 18 | 12.9 | 5:59 | 6:51 |
| 19 | 12.9 | 5:58 | 6:52 |
| 20 | 12.9 | 5:58 | 6:52 |
| 21 | 12.9 | 5:58 | 6:52 |
| 22 | 12.9 | 5:57 | 6:53 |
| 23 | 12.9 | 5:57 | 6:53 |
| 24 | 12.9 | 5:57 | 6:53 |
| 25 | 13.0 | 5:57 | 6:54 |
| 26 | 13.0 | 5:57 | 6:54 |
| 27 | 13.0 | 5:56 | 6:55 |
| 28 | 13.0 | 5:56 | 6:55 |
| 29 | 13.0 | 5:56 | 6:55 |
| 30 | 13.0 | 5:56 | 6:56 |
| 31 | 13.0 | 5:56 | 6:56 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.5 kWh/m².
For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.69 kWh/m² in April across the year — May's 6.5 kWh/m² falls in the middle.
| 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) | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 |
| 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 | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.7 | Intense |
| 2 | 6.7 | Intense |
| 3 | 6.7 | Intense |
| 4 | 6.6 | Intense |
| 5 | 6.6 | Intense |
| 6 | 6.6 | Intense |
| 7 | 6.6 | Intense |
| 8 | 6.6 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.5 | Intense |
| 15 | 6.5 | 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 | 6.5 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.5 | Intense |
| 26 | 6.5 | Intense |
| 27 | 6.5 | Intense |
| 28 | 6.5 | Intense |
| 29 | 6.5 | Intense |
| 30 | 6.5 | Intense |
| 31 | 6.5 | Intense |
Hazard calendar for Mayagüez
In May, Mayagüez sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Mayagüez sits in the Atlantic hurricane belt; the season peaks August–October.
Mayagüez's rainy season runs May–November, when most of the year's rain falls.
Mayagüez sees seasonal dust haze (July), heaviest in July.
Is May a good time to visit Mayagüez?
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 Mayagüez for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mayagüez in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Mayagüez sees daytime highs around 28°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.
Sea temperature near Mayagüez in May
The nearest coast averages about 28°C in May — 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 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Mayagüez in May
Clear-sky midday UV in May peaks 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 Mayagüez peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 10 | 12 | 13 | 11 | 12 | 11 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Mayagüez 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 Mayagüez is worst in July — around 25 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (January, 5 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) | 5 | 7 | 7 | 8 | 15 | 25 | 25 | 21 | 15 | 15 | 8 | 5 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 15 | Moderate |
| Jun | 25 | Moderate |
| Jul | 25 | Moderate |
| Aug | 21 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 8 | Good |
| Dec | 5 | Good |
Where is Mayagüez?
Mayagüez sits at 18.2°N, 67.1°W, 21 m above sea level, in Puerto Rico. The nearest listed city is San Germán, 17 km away.
Topography around Mayagüez
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mayagüez.
Within 3 km, the terrain around Mayagüez has significant variations in elevation — a maximum elevation change of 265 m around an average of 42 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 766 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,307 m.
The land around Mayagüez is covered by trees (51%) and artificial surfaces (30%) within 3 km, trees (55%) and water (31%) within 16 km, and water (71%) and trees (23%) within 80 km.
Puerto Rico travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 78% of US
- price level, 2025
- GDP per capita
- $40,620
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2015
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 14.6
- per 100k, 2023
- 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 Mayagüez (18.2011°, -67.1396°, elevation 21 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).