Weather in Kollam on 21 August 2026
Preliminary outlook for 21 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +28°C and nighttime around +25°C, average precipitation 0.9 mm, wind around 4 m/s, humidity around 84%.
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.
+26°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 12% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 331° ↖ (NW) |
Sunrise
06:16
Duration
12 h 22 min
Sunset
18:38
Moonrise
04:21
Moonset
17:19
Moon phase
Waning Crescent
Illumination
8%
+25°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 4 mm
Wind: 4 — 4 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 97% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 279° ← (W) |
Sunrise
06:16
Duration
12 h 21 min
Sunset
18:37
Moonrise
20:07
Moonset
07:34
Moon phase
Waxing Gibbous
Illumination
85%
+27°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 0.2 mm
Wind: 5 — 6 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 52% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 327° ↖ (NW) |
Sunrise
06:16
Duration
12 h 22 min
Sunset
18:38
Moonrise
09:48
Moonset
21:56
Moon phase
Waxing Crescent
Illumination
30%
+26°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 0.6 mm
Wind: 4 — 5 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 3 h |
| UV index | 6 | Cloud cover (avg.) | 71% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 328° ↖ (NW) |
Sunrise
06:16
Duration
12 h 22 min
Sunset
18:38
Moonrise
01:08
Moonset
14:07
Moon phase
Last Quarter
Illumination
32%
+26°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0.5 mm
Wind: 3 — 4 m/s
Humidity: 86%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 331° ↖ (NW) |
Sunrise
06:16
Duration
12 h 22 min
Sunset
18:38
Moonrise
17:58
Moonset
04:59
Moon phase
Waxing Gibbous
Illumination
91%
+27°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +26°C
Precipitation: 0.1 mm
Wind: 3 — 4 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 48% |
| Pressure (avg.) | 757 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.) | +28°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 319° ↖ (NW) |
Sunrise
06:16
Duration
12 h 21 min
Sunset
18:37
Moonrise
08:14
Moonset
20:45
Moon phase
Waxing Crescent
Illumination
13%
+26°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +26°C
Precipitation: 0.9 mm
Wind: 3 — 4 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 221° ↓ (SSW) |
Sunrise
06:16
Duration
12 h 22 min
Sunset
18:38
Moonrise
22:42
Moonset
10:30
Moon phase
Waning Gibbous
Illumination
57%
Weather in Kollam on 21 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+24°C
|
+26°C | 12 h | 7 | 83% | 5 — 6 m/s |
| 2024 |
+26°C
|
+24°C
|
+25°C | 1 h | 6 | 90% | 4 — 4 m/s |
| 2023 |
+29°C
|
+25°C
|
+27°C | 10 h | 6 | 82% | 5 — 6 m/s |
| 2022 |
+28°C
|
+25°C
|
+26°C | 3 h | 6 | 82% | 4 — 5 m/s |
| 2021 |
+27°C
|
+25°C
|
+26°C | 5 h | 6 | 86% | 3 — 4 m/s |
| 2020 |
+28°C
|
+26°C
|
+27°C | 10 h | 7 | 83% | 3 — 4 m/s |
| 2019 |
+28°C
|
+26°C
|
+26°C | 10 h | 6 | 85% | 3 — 4 m/s |