Weather in Castanhal on 16 August 2026
Preliminary outlook for 16 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +22°C, average precipitation 0.3 mm, wind around 2 m/s, humidity around 80%.
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.
+25°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +22°C
Precipitation: 0.4 mm
Wind: 2 — 3 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 6 h |
| UV index | 5 | Cloud cover (avg.) | 69% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 70° → (E) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
No moonrise
Moonset
12:12
Moon phase
Last Quarter
Illumination
44%
+27°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 33% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 53° → (E) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
15:30
Moonset
03:05
Moon phase
Waxing Gibbous
Illumination
79%
+28°C
Weather archive — for 2023 year
Overcast
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0.1 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 6 h |
| UV index | 7 | Cloud cover (avg.) | 70% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 73° → (E) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
06:24
Moonset
18:41
Moon phase
New Moon
Illumination
0%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 55° → (E) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
22:23
Moonset
09:58
Moon phase
Waning Gibbous
Illumination
69%
+26°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 1.4 mm
Wind: 2 — 3 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 86% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 5 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.) | 6 m/s | Wind direction (avg.) | 59° → (ESE) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
12:52
Moonset
00:26
Moon phase
First Quarter
Illumination
54%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 80° → (E) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
03:49
Moonset
16:11
Moon phase
Waning Crescent
Illumination
8%
+27°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +22°C
Precipitation: 0.2 mm
Wind: 2 — 4 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 5 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 77° → (ESE) |
Sunrise
06:14
Duration
12 h 04 min
Sunset
18:18
Moonrise
19:20
Moonset
07:00
Moon phase
Full Moon
Illumination
100%
Weather in Castanhal on 16 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+30°C
|
+22°C
|
+25°C | 6 h | 5 | 89% | 2 — 3 m/s |
| 2024 |
+36°C
|
+20°C
|
+27°C | 12 h | 7 | 74% | 2 — 3 m/s |
| 2023 |
+35°C
|
+23°C
|
+28°C | 6 h | 7 | 74% | 2 — 3 m/s |
| 2022 |
+34°C
|
+22°C
|
+27°C | 12 h | 7 | 78% | 2 — 3 m/s |
| 2021 |
+31°C
|
+22°C
|
+26°C | 10 h | 6 | 88% | 2 — 3 m/s |
| 2020 |
+34°C
|
+21°C
|
+27°C | 11 h | 7 | 79% | 2 — 3 m/s |
| 2019 |
+32°C
|
+22°C
|
+27°C | 11 h | 6 | 81% | 2 — 4 m/s |