Weather in Cayo Guillermo on 4 August 2026
Preliminary outlook for 4 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +25°C, average precipitation 1.1 mm, wind around 2 m/s, humidity around 76%.
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
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 2.7 mm
Wind: 3 — 5 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 133° ↓ (S) |
Sunrise
06:56
Duration
13 h 05 min
Sunset
20:01
Moonrise
16:31
Moonset
02:20
Moon phase
Waxing Gibbous
Illumination
69%
+28°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +25°C
Precipitation: 0.1 mm
Wind: 4 — 6 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 45% |
| 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.) | +28°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 175° ↓ (S) |
Sunrise
06:56
Duration
13 h 05 min
Sunset
20:01
Moonrise
06:57
Moonset
20:29
Moon phase
New Moon
Illumination
0%
+29°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 1.8 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 50% |
| 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.) | 6 m/s | Wind direction (avg.) | 151° ↘ (SE) |
Sunrise
06:55
Duration
13 h 06 min
Sunset
20:01
Moonrise
22:35
Moonset
09:55
Moon phase
Waning Gibbous
Illumination
78%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +23°C
Precipitation: 2.6 mm
Wind: 3 — 4 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 90° → (ESE) |
Sunrise
06:55
Duration
13 h 06 min
Sunset
20:01
Moonrise
12:53
Moonset
No moonset
Moon phase
First Quarter
Illumination
44%
+28°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0.2 mm
Wind: 2 — 3 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 129° ↘ (SSE) |
Sunrise
06:56
Duration
13 h 05 min
Sunset
20:01
Moonrise
03:17
Moonset
17:12
Moon phase
Waning Crescent
Illumination
18%
+28°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +26°C
Precipitation: 0.6 mm
Wind: 1 — 1 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 67% |
| 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.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 106° ↗ (NE) |
Sunrise
06:56
Duration
13 h 05 min
Sunset
20:01
Moonrise
21:06
Moonset
07:41
Moon phase
Full Moon
Illumination
100%
+29°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 12% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 86° → (E) |
Sunrise
06:55
Duration
13 h 06 min
Sunset
20:01
Moonrise
10:34
Moonset
23:09
Moon phase
Waxing Crescent
Illumination
20%
Weather in Cayo Guillermo on 4 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+33°C
|
+24°C
|
+28°C | 12 h | 6 | 85% | 3 — 5 m/s |
| 2024 |
+32°C
|
+25°C
|
+28°C | 8 h | 7 | 76% | 4 — 6 m/s |
| 2023 |
+34°C
|
+25°C
|
+29°C | 6 h | 6 | 74% | 2 — 3 m/s |
| 2022 |
+34°C
|
+23°C
|
+28°C | 6 h | 6 | 72% | 3 — 4 m/s |
| 2021 |
+32°C
|
+25°C
|
+28°C | 10 h | 7 | 76% | 2 — 3 m/s |
| 2020 |
+32°C
|
+26°C
|
+28°C | 11 h | 6 | 76% | 1 — 1 m/s |
| 2019 |
+32°C
|
+26°C
|
+29°C | 13 h | 7 | 74% | 2 — 2 m/s |