Weather in Cayo Guillermo on 31 July 2026
Preliminary outlook for 31 July 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +25°C, average precipitation 0 mm, wind around 3 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.
+29°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: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +34°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 73° → (ESE) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
12:54
Moonset
No moonset
Moon phase
Waxing Crescent
Illumination
36%
+28°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 39% |
| 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.) | 6 m/s | Wind direction (avg.) | 77° → (ESE) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
03:05
Moonset
17:18
Moon phase
Waning Crescent
Illumination
26%
+29°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 0.1 mm
Wind: 2 — 2 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 73% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +34°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 153° ↙ (SW) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
19:33
Moonset
05:21
Moon phase
Waxing Gibbous
Illumination
89%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 39% |
| Pressure (avg.) | 764 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.) | 9 m/s | Wind direction (avg.) | 80° → (ESE) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
09:19
Moonset
22:16
Moon phase
Waxing Crescent
Illumination
12%
+29°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 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.) | 93° → (E) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
00:42
Moonset
13:41
Moon phase
Last Quarter
Illumination
51%
+27°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +25°C
Precipitation: 0.1 mm
Wind: 5 — 6 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 45% |
| 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.) | 12 m/s | Wind direction (avg.) | 43° ↗ (NE) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
17:49
Moonset
03:53
Moon phase
Waxing Gibbous
Illumination
72%
+27°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 760 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.) | 75° ↗ (ENE) |
Sunrise
06:54
Duration
13 h 09 min
Sunset
20:03
Moonrise
06:12
Moonset
19:57
Moon phase
New Moon
Illumination
0%
Weather in Cayo Guillermo on 31 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+36°C
|
+23°C
|
+29°C | 14 h | 7 | 75% | 2 — 3 m/s |
| 2024 |
+33°C
|
+25°C
|
+28°C | 10 h | 7 | 76% | 3 — 4 m/s |
| 2023 |
+35°C
|
+25°C
|
+29°C | 5 h | 6 | 78% | 2 — 2 m/s |
| 2022 |
+33°C
|
+24°C
|
+28°C | 10 h | 7 | 79% | 3 — 4 m/s |
| 2021 |
+34°C
|
+25°C
|
+29°C | 10 h | 6 | 74% | 2 — 2 m/s |
| 2020 |
+31°C
|
+25°C
|
+27°C | 10 h | 7 | 79% | 5 — 6 m/s |
| 2019 |
+31°C
|
+25°C
|
+27°C | 8 h | 7 | 80% | 3 — 4 m/s |