Spain / Puerto Rico / 31 July

Weather in Puerto Rico on 31 July 2026

Preliminary outlook for 31 July 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +27°C and nighttime around +22°C, average precipitation 0 mm, wind around 3 m/s, humidity around 68%.

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.

← 30 July
Nearby days
1 August →
+23°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +22°C Precipitation: 0 mm Wind: 1 — 2 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +24°C Sun hours 13 h
UV index 6 Cloud cover (avg.) 0%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +18°C
Heat index (avg.) +25°C Wind chill (avg.) +23°C
Wind gusts (max.) 3 m/s Wind direction (avg.) 170° ↖ (NW)
Sunrise
07:25
Duration
13 h 28 min
Sunset
20:53
Moonrise
13:53
Moonset
00:28
Moon phase
Waxing Crescent
Illumination
36%
+24°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +22°C Sea temperature: +22°C Precipitation: 0 mm Wind: 2 — 3 m/s
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 13 h
UV index 6 Cloud cover (avg.) 0%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +22°C
Feels like (avg.) +25°C Dew point (avg.) +18°C
Heat index (avg.) +26°C Wind chill (avg.) +24°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 206° ↑ (N)
Sunrise
07:25
Duration
13 h 27 min
Sunset
20:52
Moonrise
03:04
Moonset
17:46
Moon phase
Waning Crescent
Illumination
26%
+26°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +24°C Precipitation: 0 mm Wind: 5 — 7 m/s Humidity: 57%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 32%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +18°C
Heat index (avg.) +28°C Wind chill (avg.) +27°C
Wind gusts (max.) 12 m/s Wind direction (avg.) 105° ↖ (NNW)
Sunrise
07:25
Duration
13 h 28 min
Sunset
20:53
Moonrise
20:07
Moonset
05:25
Moon phase
Waxing Gibbous
Illumination
89%
+26°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +23°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 67%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 0%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +25°C Dew point (avg.) +18°C
Heat index (avg.) +26°C Wind chill (avg.) +24°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 107° ↗ (NE)
Sunrise
07:25
Duration
13 h 28 min
Sunset
20:53
Moonrise
09:55
Moonset
23:02
Moon phase
Waxing Crescent
Illumination
12%
+24°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +22°C Precipitation: 0 mm Wind: 5 — 7 m/s Humidity: 63%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 13 h
UV index 6 Cloud cover (avg.) 0%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +26°C Dew point (avg.) +17°C
Heat index (avg.) +26°C Wind chill (avg.) +24°C
Wind gusts (max.) 12 m/s Wind direction (avg.) 95° ↖ (NNW)
Sunrise
07:25
Duration
13 h 28 min
Sunset
20:53
Moonrise
01:21
Moonset
14:36
Moon phase
Last Quarter
Illumination
51%
+23°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +20°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 72%
MetricValue MetricValue
Day temperature (max.) +25°C Sun hours 13 h
UV index 6 Cloud cover (avg.) 1%
Pressure (avg.) 761 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +17°C
Heat index (avg.) +24°C Wind chill (avg.) +23°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 119° ↖ (NNW)
Sunrise
07:25
Duration
13 h 27 min
Sunset
20:52
Moonrise
18:14
Moonset
03:54
Moon phase
Waxing Gibbous
Illumination
72%

Weather in Puerto Rico on 31 July in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +24°C +22°C +23°C 13 h 6 76% 1 — 2 m/s
2024 +26°C +22°C +24°C 13 h 6 70% 2 — 3 m/s
2023 +30°C +24°C +26°C 13 h 7 57% 5 — 7 m/s
2022 +29°C +23°C +26°C 13 h 7 67% 4 — 5 m/s
2021 +27°C +22°C +24°C 13 h 6 63% 5 — 7 m/s
2020 +25°C +20°C +23°C 13 h 6 72% 3 — 4 m/s