Weather in Macapa on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +25°C, average precipitation 0.4 mm, wind around 4 m/s, humidity around 78%.
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.
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 2 mm
Wind: 5 — 6 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 46% |
| 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.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 52° ↗ (ENE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
02:00
Moonset
14:30
Moon phase
Last Quarter
Illumination
29%
+28°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 50° ↗ (ENE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
17:45
Moonset
05:14
Moon phase
Waxing Gibbous
Illumination
93%
+28°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 757 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.) | 9 m/s | Wind direction (avg.) | 64° ↗ (ENE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
07:58
Moonset
20:17
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 0.2 mm
Wind: 5 — 6 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 69% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 54° ↗ (NE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
No moonrise
Moonset
11:42
Moon phase
Waning Gibbous
Illumination
54%
+27°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0.4 mm
Wind: 4 — 5 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| 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.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 56° ↗ (NE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
15:08
Moonset
02:35
Moon phase
Waxing Gibbous
Illumination
69%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +25°C
Precipitation: 0.2 mm
Wind: 5 — 6 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 33% |
| 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.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 52° ↗ (NE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
05:54
Moonset
18:21
Moon phase
New Moon
Illumination
0%
+27°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 14% |
| 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.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 55° ↗ (NE) |
Sunrise
06:24
Duration
12 h 07 min
Sunset
18:31
Moonrise
20:58
Moonset
08:36
Moon phase
Waning Gibbous
Illumination
78%
Weather in Macapa on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+31°C
|
+24°C
|
+27°C | 9 h | 6 | 80% | 5 — 6 m/s |
| 2024 |
+32°C
|
+24°C
|
+28°C | 11 h | 7 | 74% | 4 — 5 m/s |
| 2023 |
+32°C
|
+26°C
|
+28°C | 10 h | 7 | 75% | 4 — 6 m/s |
| 2022 |
+31°C
|
+25°C
|
+28°C | 8 h | 6 | 78% | 5 — 6 m/s |
| 2021 |
+31°C
|
+25°C
|
+27°C | 11 h | 6 | 80% | 4 — 5 m/s |
| 2020 |
+31°C
|
+25°C
|
+28°C | 10 h | 7 | 78% | 5 — 6 m/s |
| 2019 |
+30°C
|
+25°C
|
+27°C | 11 h | 7 | 79% | 3 — 4 m/s |