Weather in Cayo Guillermo on 21 July 2026
Preliminary outlook for 21 July 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +32°C and nighttime around +24°C, average precipitation 4.5 mm, wind around 2 m/s, humidity around 78%.
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.
+27°C
Weather archive — latest year: 2025
Cloudy
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 26.7 mm
Wind: 3 — 3 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 101° → (ESE) |
Sunrise
06:50
Duration
13 h 17 min
Sunset
20:07
Moonrise
03:18
Moonset
17:33
Moon phase
Waning Crescent
Illumination
18%
+28°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 0.3 mm
Wind: 2 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 51% |
| Pressure (avg.) | 762 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.) | 99° ↘ (SSE) |
Sunrise
06:50
Duration
13 h 17 min
Sunset
20:07
Moonrise
20:47
Moonset
06:50
Moon phase
Full Moon
Illumination
100%
+29°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 47% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 120° ↘ (SSE) |
Sunrise
06:50
Duration
13 h 18 min
Sunset
20:08
Moonrise
10:01
Moonset
22:53
Moon phase
Waxing Crescent
Illumination
20%
+28°C
Weather archive — for 2022 year
Overcast
Weather archive — for 2022 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 64% |
| 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.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 128° ↘ (SE) |
Sunrise
06:50
Duration
13 h 17 min
Sunset
20:07
Moonrise
01:22
Moonset
14:30
Moon phase
Last Quarter
Illumination
43%
+28°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 764 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.) | 133° ↓ (SSW) |
Sunrise
06:50
Duration
13 h 17 min
Sunset
20:07
Moonrise
18:06
Moonset
04:03
Moon phase
Waxing Gibbous
Illumination
80%
+27°C
Weather archive — for 2020 year
Moderate rain at times
Weather archive — for 2020 year
Nighttime: +25°C
Precipitation: 4.4 mm
Wind: 2 — 3 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 80% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 87° → (ESE) |
Sunrise
06:50
Duration
13 h 17 min
Sunset
20:07
Moonrise
07:36
Moonset
21:16
Moon phase
Waxing Crescent
Illumination
2%
+28°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +25°C
Precipitation: 0.1 mm
Wind: 3 — 3 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 98° → (ESE) |
Sunrise
06:50
Duration
13 h 18 min
Sunset
20:08
Moonrise
23:30
Moonset
10:44
Moon phase
Waning Gibbous
Illumination
67%
Weather in Cayo Guillermo on 21 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+33°C
|
+24°C
|
+27°C | 10 h | 6 | 85% | 3 — 3 m/s |
| 2024 |
+33°C
|
+24°C
|
+28°C | 9 h | 7 | 76% | 2 — 4 m/s |
| 2023 |
+35°C
|
+24°C
|
+29°C | 7 h | 7 | 78% | 1 — 2 m/s |
| 2022 |
+34°C
|
+23°C
|
+28°C | 7 h | 6 | 74% | 3 — 4 m/s |
| 2021 |
+32°C
|
+23°C
|
+28°C | 8 h | 6 | 78% | 2 — 2 m/s |
| 2020 |
+29°C
|
+25°C
|
+27°C | 7 h | 6 | 79% | 2 — 3 m/s |
| 2019 |
+31°C
|
+25°C
|
+28°C | 10 h | 7 | 78% | 3 — 3 m/s |