Weather in Teresina on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +37°C and nighttime around +21°C, average precipitation 0 mm, wind around 2 m/s, humidity around 53%.
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.
+28°C
Weather archive — latest year: 2025
Partly Cloudy
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +39°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 41% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 211° → (ESE) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
20:53
Moonset
08:26
Moon phase
Waning Gibbous
Illumination
73%
+29°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +39°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 26% |
| 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.) | +17°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 160° → (E) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
11:24
Moonset
No moonset
Moon phase
First Quarter
Illumination
50%
+29°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 17% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 65° ↘ (SE) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
02:57
Moonset
15:00
Moon phase
Waning Crescent
Illumination
20%
+29°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 35% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 207° ↗ (ENE) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
18:43
Moonset
06:27
Moon phase
Full Moon
Illumination
100%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 53° → (E) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
09:08
Moonset
21:32
Moon phase
Waxing Crescent
Illumination
25%
+29°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 9% |
| 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.) | +12°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 125° ↘ (SE) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
00:06
Moonset
12:14
Moon phase
Last Quarter
Illumination
38%
+29°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 37% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 116° ↘ (SE) |
Sunrise
05:58
Duration
11 h 56 min
Sunset
17:54
Moonrise
15:44
Moonset
03:35
Moon phase
Waxing Gibbous
Illumination
78%
Weather in Teresina on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+28°C | 11 h | 7 | 66% | 2 — 2 m/s |
| 2024 |
|
|
+29°C | 12 h | 7 | 55% | 2 — 3 m/s |
| 2023 |
|
|
+29°C | 12 h | 7 | 46% | 1 — 3 m/s |
| 2022 |
|
|
+29°C | 11 h | 7 | 59% | 2 — 3 m/s |
| 2021 |
|
|
+30°C | 11 h | 7 | 61% | 2 — 3 m/s |
| 2020 |
|
|
+29°C | 12 h | 7 | 39% | 2 — 3 m/s |
| 2019 |
|
|
+29°C | 12 h | 6 | 47% | 2 — 3 m/s |