Weather in Imperatriz on 17 December 2026
Preliminary outlook for 17 December 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +23°C, average precipitation 0.4 mm, wind around 2 m/s, humidity around 75%.
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
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 58° ↑ (NNE) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
03:42
Moonset
16:25
Moon phase
Waning Crescent
Illumination
9%
+28°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +23°C
Precipitation: 0.1 mm
Wind: 1 — 3 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 41% |
| 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.) | +20°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 179° → (E) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
20:45
Moonset
07:54
Moon phase
Waxing Gibbous
Illumination
86%
+29°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +22°C
Precipitation: 0.9 mm
Wind: 2 — 3 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +38°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 54% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 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.) | 6 m/s | Wind direction (avg.) | 116° ↗ (NE) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
10:19
Moonset
22:57
Moon phase
Waxing Crescent
Illumination
30%
+25°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0.3 mm
Wind: 1 — 2 m/s
Humidity: 92%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 102° → (ESE) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
00:48
Moonset
13:09
Moon phase
Last Quarter
Illumination
33%
+26°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 0.2 mm
Wind: 2 — 2 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 60% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 115° ↑ (N) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
17:13
Moonset
04:29
Moon phase
Waxing Gibbous
Illumination
90%
+28°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 0.5 mm
Wind: 2 — 3 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 65% |
| 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.) | +22°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 41° ↗ (NE) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
08:39
Moonset
21:25
Moon phase
Waxing Crescent
Illumination
12%
+27°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +24°C
Precipitation: 0.9 mm
Wind: 2 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 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.) | 8 m/s | Wind direction (avg.) | 98° ↑ (NNE) |
Sunrise
05:53
Duration
12 h 26 min
Sunset
18:19
Moonrise
23:28
Moonset
10:50
Moon phase
Waning Gibbous
Illumination
58%
Weather in Imperatriz on 17 December in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+35°C
|
+23°C
|
+27°C | 12 h | 7 | 66% | 1 — 2 m/s |
| 2024 |
+34°C
|
+23°C
|
+28°C | 7 h | 7 | 67% | 1 — 3 m/s |
| 2023 |
+38°C
|
+22°C
|
+29°C | 11 h | 6 | 64% | 2 — 3 m/s |
| 2022 |
+28°C
|
+22°C
|
+25°C | 12 h | 5 | 92% | 1 — 2 m/s |
| 2021 |
+29°C
|
+22°C
|
+26°C | 7 h | 7 | 90% | 2 — 2 m/s |
| 2020 |
+33°C
|
+23°C
|
+28°C | 11 h | 6 | 70% | 2 — 3 m/s |
| 2019 |
+34°C
|
+24°C
|
+27°C | 10 h | 7 | 74% | 2 — 3 m/s |