Weather in Cayo Guillermo on 19 August 2026
Preliminary outlook for 19 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +25°C, average precipitation 1 mm, wind around 2 m/s, humidity around 77%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+28°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 152° ↙ (WSW) |
Sunrise
07:01
Duration
12 h 49 min
Sunset
19:50
Moonrise
03:12
Moonset
17:25
Moon phase
Waning Crescent
Illumination
22%
+28°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 156° ↙ (SW) |
Sunrise
07:01
Duration
12 h 49 min
Sunset
19:50
Moonrise
20:07
Moonset
06:43
Moon phase
Full Moon
Illumination
100%
+28°C
Weather archive — for 2023 year
Moderate or heavy rain shower
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 2.4 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 127° ↘ (SSE) |
Sunrise
07:01
Duration
12 h 50 min
Sunset
19:51
Moonrise
09:36
Moonset
21:56
Moon phase
Waxing Crescent
Illumination
16%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 40% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 85° → (ESE) |
Sunrise
07:01
Duration
12 h 50 min
Sunset
19:51
Moonrise
00:33
Moonset
14:10
Moon phase
Last Quarter
Illumination
47%
+28°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 85° → (ESE) |
Sunrise
07:01
Duration
12 h 49 min
Sunset
19:50
Moonrise
17:58
Moonset
03:53
Moon phase
Waxing Gibbous
Illumination
76%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 36% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 159° ↓ (S) |
Sunrise
07:01
Duration
12 h 49 min
Sunset
19:50
Moonrise
07:27
Moonset
20:40
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +25°C
Precipitation: 4.6 mm
Wind: 3 — 3 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 32% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 88° → (ESE) |
Sunrise
07:01
Duration
12 h 50 min
Sunset
19:51
Moonrise
22:37
Moonset
10:18
Moon phase
Waning Gibbous
Illumination
71%
Weather in Cayo Guillermo on 19 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+35°C
|
+23°C
|
+28°C | 12 h | 7 | 79% | 2 — 3 m/s |
| 2024 |
+33°C
|
+24°C
|
+28°C | 9 h | 7 | 74% | 1 — 2 m/s |
| 2023 |
+32°C
|
+25°C
|
+28°C | 6 h | 6 | 74% | 2 — 3 m/s |
| 2022 |
+35°C
|
+24°C
|
+28°C | 7 h | 6 | 76% | 3 — 4 m/s |
| 2021 |
+31°C
|
+25°C
|
+28°C | 11 h | 6 | 78% | 3 — 4 m/s |
| 2020 |
+31°C
|
+26°C
|
+28°C | 10 h | 7 | 79% | 2 — 3 m/s |
| 2019 |
+31°C
|
+25°C
|
+28°C | 8 h | 7 | 80% | 3 — 3 m/s |