Greece / Rio / 18 April

Weather in Rio on 18 April 2026

Weather archive guide for 18 April 2026

Hourly observations for this date in 2026 are not available yet. Based on the 2020–2025 archive: daytime around +16°C and nighttime around +12°C, average precipitation 0.7 mm, wind around 4 m/s, humidity around 77%.

The archive values are a climate reference, not recorded weather for the target year. The page will update if stored observations become available.

← 17 April
Nearby days
19 April →
+15°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +13°C Precipitation: 0 mm Wind: 4 — 7 m/s Humidity: 77%
MetricValue MetricValue
Day temperature (max.) +16°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 30%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +16°C Dew point (avg.) +11°C
Heat index (avg.) +16°C Wind chill (avg.) +16°C
Wind gusts (max.) 12 m/s Wind direction (avg.) 244° ↙ (WSW)
Sunrise
06:52
Duration
13 h 19 min
Sunset
20:11
Moonrise
01:09
Moonset
10:02
Moon phase
Waning Gibbous
Illumination
52%
+14°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +12°C Sea temperature: +17°C Precipitation: 1.3 mm Wind: 6 — 7 m/s
MetricValue MetricValue
Day temperature (max.) +16°C Sun hours 5 h
UV index 3 Cloud cover (avg.) 82%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +17°C
Feels like (avg.) +15°C Dew point (avg.) +10°C
Heat index (avg.) +15°C Wind chill (avg.) +15°C
Wind gusts (max.) 11 m/s Wind direction (avg.) 247° ↙ (WSW)
Sunrise
06:52
Duration
13 h 20 min
Sunset
20:12
Moonrise
15:20
Moonset
04:39
Moon phase
Waxing Gibbous
Illumination
67%
+13°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +11°C Precipitation: 0.3 mm Wind: 2 — 3 m/s Humidity: 79%
MetricValue MetricValue
Day temperature (max.) +15°C Sun hours 6 h
UV index 4 Cloud cover (avg.) 66%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +13°C Dew point (avg.) +10°C
Heat index (avg.) +14°C Wind chill (avg.) +13°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 251° ← (W)
Sunrise
06:53
Duration
13 h 18 min
Sunset
20:11
Moonrise
05:56
Moonset
18:04
Moon phase
New Moon
Illumination
0%
+12°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +9°C Precipitation: 2.2 mm Wind: 5 — 6 m/s Humidity: 75%
MetricValue MetricValue
Day temperature (max.) +14°C Sun hours 3 h
UV index 3 Cloud cover (avg.) 94%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +11°C Dew point (avg.) +8°C
Heat index (avg.) +13°C Wind chill (avg.) +11°C
Wind gusts (max.) 13 m/s Wind direction (avg.) 172° ↖ (NW)
Sunrise
06:52
Duration
13 h 19 min
Sunset
20:11
Moonrise
22:08
Moonset
07:46
Moon phase
Waxing Gibbous
Illumination
78%
+15°C
Weather archive — for 2021 year
Overcast
Weather archive — for 2021 year
Nighttime: +13°C Precipitation: 0.1 mm Wind: 3 — 4 m/s Humidity: 85%
MetricValue MetricValue
Day temperature (max.) +16°C Sun hours 6 h
UV index 4 Cloud cover (avg.) 56%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +16°C Dew point (avg.) +12°C
Heat index (avg.) +16°C Wind chill (avg.) +16°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 200° ↙ (WSW)
Sunrise
06:52
Duration
13 h 19 min
Sunset
20:11
Moonrise
11:04
Moonset
01:40
Moon phase
First Quarter
Illumination
42%
+15°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +11°C Precipitation: 0 mm Wind: 2 — 2 m/s Humidity: 69%
MetricValue MetricValue
Day temperature (max.) +19°C Sun hours 14 h
UV index 4 Cloud cover (avg.) 1%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +15°C Dew point (avg.) +10°C
Heat index (avg.) +15°C Wind chill (avg.) +15°C
Wind gusts (max.) 4 m/s Wind direction (avg.) 236° ← (W)
Sunrise
06:52
Duration
13 h 20 min
Sunset
20:12
Moonrise
05:07
Moonset
16:04
Moon phase
Waning Crescent
Illumination
15%

Weather in Rio on 18 April in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +16°C +13°C +15°C 14 h 5 77% 4 — 7 m/s
2024 +16°C +12°C +14°C 5 h 3 74% 6 — 7 m/s
2023 +15°C +11°C +13°C 6 h 4 79% 2 — 3 m/s
2022 +14°C +9°C +12°C 3 h 3 75% 5 — 6 m/s
2021 +16°C +13°C +15°C 6 h 4 85% 3 — 4 m/s
2020 +19°C +11°C +15°C 14 h 4 69% 2 — 2 m/s