Weather in Chennai on 25 August 2026
Preliminary outlook for 25 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +32°C and nighttime around +28°C, average precipitation 0.3 mm, wind around 4 m/s, humidity around 70%.
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°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +28°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 24% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 172° ↗ (ENE) |
Sunrise
05:58
Duration
12 h 26 min
Sunset
18:24
Moonrise
07:29
Moonset
19:50
Moon phase
Waxing Crescent
Illumination
7%
+32°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +29°C
Precipitation: 0.1 mm
Wind: 5 — 6 m/s
Humidity: 54%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 245° ↙ (WSW) |
Sunrise
05:58
Duration
12 h 26 min
Sunset
18:24
Moonrise
22:54
Moonset
11:09
Moon phase
Waning Gibbous
Illumination
56%
+29°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +28°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 41% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 168° ↘ (SE) |
Sunrise
05:57
Duration
12 h 27 min
Sunset
18:24
Moonrise
13:07
Moonset
No moonset
Moon phase
First Quarter
Illumination
59%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +26°C
Precipitation: 1.8 mm
Wind: 3 — 4 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 755 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.) | 271° ↖ (NNW) |
Sunrise
05:58
Duration
12 h 26 min
Sunset
18:24
Moonrise
04:06
Moonset
17:16
Moon phase
Waning Crescent
Illumination
3%
+29°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +27°C
Precipitation: 0.2 mm
Wind: 4 — 5 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 755 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.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 203° ↓ (SSW) |
Sunrise
05:58
Duration
12 h 26 min
Sunset
18:24
Moonrise
20:38
Moonset
08:14
Moon phase
Waning Gibbous
Illumination
80%
+29°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +27°C
Precipitation: 0.1 mm
Wind: 3 — 3 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 187° ↘ (SSE) |
Sunrise
05:58
Duration
12 h 26 min
Sunset
18:24
Moonrise
11:48
Moonset
23:38
Moon phase
First Quarter
Illumination
42%
+29°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +28°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 35% |
| Pressure (avg.) | 755 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.) | +30°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 224° ↙ (SW) |
Sunrise
05:57
Duration
12 h 27 min
Sunset
18:24
Moonrise
00:37
Moonset
13:45
Moon phase
Last Quarter
Illumination
28%
Weather in Chennai on 25 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+33°C
|
+28°C
|
+30°C | 13 h | 7 | 64% | 4 — 6 m/s |
| 2024 |
+35°C
|
+29°C
|
+32°C | 11 h | 7 | 54% | 5 — 6 m/s |
| 2023 |
+32°C
|
+28°C
|
+29°C | 11 h | 7 | 75% | 4 — 6 m/s |
| 2022 |
+31°C
|
+26°C
|
+28°C | 8 h | 6 | 75% | 3 — 4 m/s |
| 2021 |
+31°C
|
+27°C
|
+29°C | 5 h | 6 | 71% | 4 — 5 m/s |
| 2020 |
+30°C
|
+27°C
|
+29°C | 12 h | 7 | 77% | 3 — 3 m/s |
| 2019 |
+31°C
|
+28°C
|
+29°C | 11 h | 7 | 71% | 5 — 6 m/s |