Guayama weather in August
In August, Guayama sees average daytime highs of 28°C and overnight lows near 25°C, with 130 mm of rain across 24.7 wet days and about 12.6 hours of daylight. It is the 1st-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 33% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Guayama's 8th-clearest and 6th-windiest month. For the whole year in context, see Guayama's year-round climate.
- Daytime high
- 28°
- 1st warmest
- Overnight low
- 25°
- 12th coldest
- Rainfall
- 130 mm
- 24.7 wet days
- Daylight
- 12 h 36 min
- 6:10 AM – 6:47 PM
- Cloud cover
- 58%
- 8th clearest
- Wind
- 17 km/h
- 6th windiest
- Solar energy
- 6.26 kWh/m²
- Travel score
- 4.2
- out of 10
Temperature in August
Day-to-day highs hold fairly steady near 28°C through the month.
A typical August day in Guayama 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, August runs on par with July and on par with September.
| 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) | 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 | 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 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 25 |
| 2 | 28 | 25 |
| 3 | 28 | 25 |
| 4 | 28 | 25 |
| 5 | 28 | 25 |
| 6 | 28 | 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 | 25 |
| 23 | 28 | 25 |
| 24 | 28 | 25 |
| 25 | 28 | 25 |
| 26 | 28 | 25 |
| 27 | 28 | 25 |
| 28 | 28 | 25 |
| 29 | 28 | 25 |
| 30 | 28 | 25 |
| 31 | 28 | 25 |
How August really feels in Guayama
Once humidity and wind are folded in, August averages 23 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Guayama weather by month
How August compares with the rest of the year at a glance. August is the 1st-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 | 25° / 23° | 48 | 16.5 | 11 | 6.2 |
| Feb | 25° / 23° | 38 | 14.7 | 11.4 | 6.3 |
| Mar | 26° / 23° | 46 | 14.4 | 11.9 | 6.4 |
| Apr | 26° / 23° | 63 | 17.1 | 12.4 | 5.7 |
| May | 27° / 24° | 116 | 22.5 | 12.8 | 4.7 |
| Jun | 28° / 25° | 95 | 21.9 | 13.1 | 4.6 |
| Jul | 28° / 25° | 113 | 23 | 13 | 4.6 |
| Aug | 28° / 25° | 130 | 24.7 | 12.6 | 4.2 |
| Sep | 28° / 25° | 167 | 24.9 | 12.1 | 3.9 |
| Oct | 28° / 25° | 146 | 25.1 | 11.6 | 4.2 |
| Nov | 27° / 24° | 113 | 21.2 | 11.2 | 4.9 |
| Dec | 26° / 23° | 60 | 17.7 | 10.9 | 5.9 |
Cloud cover in August
The sky is clear or mostly clear about 33% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 45%. 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 (%) | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 52 | 51 | 50 | 50 | 48 | 48 | 47 | 48 | 48 | 48 | 47 | 48 |
| Cloudier (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 48 | 49 | 50 | 50 | 52 | 52 | 53 | 52 | 52 | 52 | 53 | 52 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 61 | 39 |
| 6 | 61 | 39 |
| 7 | 61 | 39 |
| 8 | 61 | 39 |
| 9 | 61 | 39 |
| 10 | 61 | 39 |
| 11 | 61 | 39 |
| 12 | 60 | 40 |
| 13 | 60 | 40 |
| 14 | 59 | 41 |
| 15 | 58 | 42 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 55 | 45 |
| 19 | 54 | 46 |
| 20 | 52 | 48 |
| 21 | 51 | 49 |
| 22 | 50 | 50 |
| 23 | 50 | 50 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 47 | 53 |
| 27 | 48 | 52 |
| 28 | 48 | 52 |
| 29 | 48 | 52 |
| 30 | 47 | 53 |
| 31 | 48 | 52 |
Chance of precipitation in August
Guayama gets around 130 mm of rain over 24.7 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 79% and peaks near 82% on the wettest days.
| 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 (%) | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 79 | 79 | 80 | 80 | 81 | 81 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 80 | 80 |
| Rain chance (%) | |
|---|---|
| 1 | 76 |
| 2 | 77 |
| 3 | 77 |
| 4 | 77 |
| 5 | 77 |
| 6 | 77 |
| 7 | 77 |
| 8 | 77 |
| 9 | 77 |
| 10 | 78 |
| 11 | 78 |
| 12 | 78 |
| 13 | 78 |
| 14 | 79 |
| 15 | 79 |
| 16 | 80 |
| 17 | 80 |
| 18 | 81 |
| 19 | 81 |
| 20 | 81 |
| 21 | 82 |
| 22 | 82 |
| 23 | 82 |
| 24 | 82 |
| 25 | 82 |
| 26 | 82 |
| 27 | 81 |
| 28 | 81 |
| 29 | 81 |
| 30 | 80 |
| 31 | 80 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 52% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 60 | 59 | 59 | 58 | 57 | 56 | 56 | 55 | 54 | 53 | 53 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 50 | 50 |
| Miserable (%) | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 46 | 47 | 47 | 48 | 49 | 49 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 50 | 50 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 60 | 40 |
| 2 | 59 | 41 |
| 3 | 59 | 41 |
| 4 | 58 | 42 |
| 5 | 57 | 43 |
| 6 | 56 | 44 |
| 7 | 56 | 44 |
| 8 | 55 | 45 |
| 9 | 54 | 46 |
| 10 | 53 | 47 |
| 11 | 53 | 47 |
| 12 | 52 | 48 |
| 13 | 51 | 49 |
| 14 | 51 | 49 |
| 15 | 50 | 50 |
| 16 | 50 | 50 |
| 17 | 49 | 51 |
| 18 | 49 | 51 |
| 19 | 49 | 51 |
| 20 | 48 | 52 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 48 | 52 |
| 25 | 48 | 52 |
| 26 | 48 | 52 |
| 27 | 48 | 52 |
| 28 | 49 | 51 |
| 29 | 49 | 51 |
| 30 | 50 | 50 |
| 31 | 50 | 50 |
Wind in August
Winds average 17 km/h in August.
Across August, daily wind ranges from about 15 km/h on the calmest days to 18 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) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
| 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 | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 18 | light breeze |
| 2 | 18 | light breeze |
| 3 | 18 | light breeze |
| 4 | 18 | light breeze |
| 5 | 18 | light breeze |
| 6 | 18 | light breeze |
| 7 | 18 | light breeze |
| 8 | 18 | light breeze |
| 9 | 18 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 15 | light breeze |
Sunrise & sunset in August
Daylight runs from about 12 h 48 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over August. Sunrise moves from 6:06 AM to 6:13 AM, and sunset from 6:55 PM to 6:36 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) | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 |
| Sunset (PM) | 6:55 | 6:55 | 6:54 | 6:54 | 6:53 | 6:53 | 6:52 | 6:52 | 6:51 | 6:51 | 6:50 | 6:49 | 6:49 | 6:48 | 6:48 | 6:47 | 6:46 | 6:46 | 6:45 | 6:44 | 6:43 | 6:43 | 6:42 | 6:41 | 6:40 | 6:40 | 6:39 | 6:38 | 6:37 | 6:37 | 6:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 6:06 | 6:55 |
| 2 | 12.8 | 6:06 | 6:55 |
| 3 | 12.8 | 6:07 | 6:54 |
| 4 | 12.8 | 6:07 | 6:54 |
| 5 | 12.8 | 6:07 | 6:53 |
| 6 | 12.8 | 6:07 | 6:53 |
| 7 | 12.7 | 6:08 | 6:52 |
| 8 | 12.7 | 6:08 | 6:52 |
| 9 | 12.7 | 6:08 | 6:51 |
| 10 | 12.7 | 6:09 | 6:51 |
| 11 | 12.7 | 6:09 | 6:50 |
| 12 | 12.7 | 6:09 | 6:49 |
| 13 | 12.7 | 6:09 | 6:49 |
| 14 | 12.6 | 6:10 | 6:48 |
| 15 | 12.6 | 6:10 | 6:48 |
| 16 | 12.6 | 6:10 | 6:47 |
| 17 | 12.6 | 6:10 | 6:46 |
| 18 | 12.6 | 6:11 | 6:46 |
| 19 | 12.6 | 6:11 | 6:45 |
| 20 | 12.6 | 6:11 | 6:44 |
| 21 | 12.5 | 6:11 | 6:43 |
| 22 | 12.5 | 6:12 | 6:43 |
| 23 | 12.5 | 6:12 | 6:42 |
| 24 | 12.5 | 6:12 | 6:41 |
| 25 | 12.5 | 6:12 | 6:40 |
| 26 | 12.5 | 6:12 | 6:40 |
| 27 | 12.4 | 6:13 | 6:39 |
| 28 | 12.4 | 6:13 | 6:38 |
| 29 | 12.4 | 6:13 | 6:37 |
| 30 | 12.4 | 6:13 | 6:37 |
| 31 | 12.4 | 6:13 | 6:36 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.26 kWh/m².
For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.54 kWh/m² in April across the year — August's 6.26 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) | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 |
| 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 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.1 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Guayama
In August, Guayama sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Guayama sits in the Atlantic hurricane belt; the season peaks August–October.
Guayama sees seasonal dust haze (July), heaviest in July.
Is August a good time to visit Guayama?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Guayama for sightseeing.
What to pack for Guayama in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Guayama sees daytime highs around 28°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 25 days see rain.
Sea temperature near Guayama in August
The nearest coast averages about 29°C in August — 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 26°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 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in Guayama in August
Clear-sky midday UV in August peaks 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 Guayama peaks around April 12 at about 13 (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 | 10 | 13 | 13 | 12 | 12 | 12 | 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 | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Guayama in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Guayama is worst in July — around 25 µg/m³ PM2.5 (moderate), about 4.7× 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 | 9 | 14 | 24 | 25 | 20 | 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 | 9 | Good |
| May | 14 | Moderate |
| Jun | 24 | Moderate |
| Jul | 25 | Moderate |
| Aug | 20 | Moderate |
| Sep | 15 | Moderate |
| Oct | 15 | Moderate |
| Nov | 8 | Good |
| Dec | 5 | Good |
Where is Guayama?
Guayama sits at 18.0°N, 66.1°W, 73 m above sea level, in Puerto Rico. The nearest listed city is Cayey, 15 km away.
Topography around Guayama
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guayama.
Within 3 km, the terrain around Guayama has significant variations in elevation — a maximum elevation change of 396 m around an average of 80 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 901 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,308 m.
The land around Guayama is covered by trees (56%) and artificial surfaces (25%) within 3 km, trees (46%) and water (38%) within 16 km, and water (58%) and trees (33%) 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 Guayama (17.9841°, -66.1138°, elevation 73 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).