Mangaratiba weather in December
In December, Mangaratiba sees average daytime highs of 27°C and overnight lows near 23°C, with 212 mm of rain across 20.1 wet days and about 13.4 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Mangaratiba's 11th-clearest and 8th-windiest month. For the whole year in context, see Mangaratiba's year-round climate.
- Daytime high
- 27°
- 4th warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 212 mm
- 20.1 wet days
- Daylight
- 13 h 24 min
- 6:10 AM – 7:34 PM
- Cloud cover
- 71%
- 11th clearest
- Wind
- 8 km/h
- 8th windiest
- Solar energy
- 5.86 kWh/m²
- Travel score
- 4.9
- out of 10
Mangaratiba is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 27°C through the month.
A typical December day in Mangaratiba reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 22 |
| 2 | 26 | 22 |
| 3 | 26 | 22 |
| 4 | 26 | 22 |
| 5 | 26 | 22 |
| 6 | 26 | 22 |
| 7 | 26 | 22 |
| 8 | 26 | 22 |
| 9 | 26 | 22 |
| 10 | 27 | 22 |
| 11 | 27 | 22 |
| 12 | 27 | 23 |
| 13 | 27 | 23 |
| 14 | 27 | 23 |
| 15 | 27 | 23 |
| 16 | 27 | 23 |
| 17 | 27 | 23 |
| 18 | 27 | 23 |
| 19 | 27 | 23 |
| 20 | 27 | 23 |
| 21 | 27 | 23 |
| 22 | 27 | 23 |
| 23 | 27 | 23 |
| 24 | 27 | 23 |
| 25 | 27 | 23 |
| 26 | 27 | 23 |
| 27 | 28 | 23 |
| 28 | 28 | 23 |
| 29 | 28 | 23 |
| 30 | 28 | 23 |
| 31 | 28 | 23 |
Mangaratiba weather by month
How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 24° | 259 | 21.6 | 13.3 | 4.5 |
| Feb | 28° / 24° | 189 | 17.5 | 12.8 | 4.5 |
| Mar | 28° / 23° | 207 | 21 | 12.2 | 4.8 |
| Apr | 26° / 22° | 128 | 14.1 | 11.5 | 6.1 |
| May | 24° / 20° | 90 | 11.8 | 10.9 | 6.8 |
| Jun | 24° / 19° | 58 | 7.8 | 10.6 | 7.5 |
| Jul | 23° / 18° | 61 | 8 | 10.7 | 7.5 |
| Aug | 24° / 18° | 51 | 8 | 11.2 | 7.5 |
| Sep | 24° / 19° | 97 | 12.5 | 11.9 | 6.6 |
| Oct | 25° / 20° | 121 | 14.4 | 12.5 | 6.0 |
| Nov | 25° / 21° | 178 | 18.6 | 13.1 | 5.3 |
| Dec | 27° / 23° | 212 | 20.1 | 13.4 | 4.9 |
Cloud cover in December
The sky is clear or mostly clear about 15% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 68%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 31 | 30 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 34 | 34 | 33 | 33 | 32 | 32 | 32 |
| Cloudier (%) | 69 | 70 | 71 | 71 | 71 | 72 | 72 | 71 | 71 | 71 | 71 | 70 | 69 | 69 | 69 | 68 | 68 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 66 | 66 | 67 | 67 | 68 | 68 | 68 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 31 | 69 |
| 2 | 30 | 70 |
| 3 | 29 | 71 |
| 4 | 29 | 71 |
| 5 | 29 | 71 |
| 6 | 28 | 72 |
| 7 | 28 | 72 |
| 8 | 29 | 71 |
| 9 | 29 | 71 |
| 10 | 29 | 71 |
| 11 | 29 | 71 |
| 12 | 30 | 70 |
| 13 | 31 | 69 |
| 14 | 31 | 69 |
| 15 | 31 | 69 |
| 16 | 32 | 68 |
| 17 | 32 | 68 |
| 18 | 33 | 67 |
| 19 | 34 | 66 |
| 20 | 34 | 66 |
| 21 | 34 | 66 |
| 22 | 35 | 65 |
| 23 | 35 | 65 |
| 24 | 35 | 65 |
| 25 | 34 | 66 |
| 26 | 34 | 66 |
| 27 | 33 | 67 |
| 28 | 33 | 67 |
| 29 | 32 | 68 |
| 30 | 32 | 68 |
| 31 | 32 | 68 |
Chance of precipitation in December
Mangaratiba gets around 212 mm of rain over 20.1 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 65% and peaks near 71% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 59 | 59 | 59 | 60 | 60 | 60 | 61 | 61 | 62 | 62 | 63 | 64 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 67 | 67 | 67 | 68 | 68 | 69 | 69 | 70 | 70 | 71 | 71 | 71 |
| Rain chance (%) | |
|---|---|
| 1 | 59 |
| 2 | 59 |
| 3 | 59 |
| 4 | 60 |
| 5 | 60 |
| 6 | 60 |
| 7 | 61 |
| 8 | 61 |
| 9 | 62 |
| 10 | 62 |
| 11 | 63 |
| 12 | 64 |
| 13 | 64 |
| 14 | 65 |
| 15 | 65 |
| 16 | 65 |
| 17 | 66 |
| 18 | 66 |
| 19 | 66 |
| 20 | 67 |
| 21 | 67 |
| 22 | 67 |
| 23 | 68 |
| 24 | 68 |
| 25 | 69 |
| 26 | 69 |
| 27 | 70 |
| 28 | 70 |
| 29 | 71 |
| 30 | 71 |
| 31 | 71 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
| Muggy (%) | 44 | 43 | 42 | 41 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 21 |
| Oppressive (%) | 44 | 46 | 47 | 49 | 51 | 53 | 55 | 56 | 58 | 60 | 60 | 62 | 63 | 64 | 66 | 66 | 66 | 67 | 68 | 68 | 69 | 70 | 71 | 70 | 70 | 70 | 70 | 71 | 70 | 70 | 69 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 11 | 44 | 44 | 0 |
| 2 | 1 | 11 | 43 | 46 | 0 |
| 3 | 1 | 10 | 42 | 47 | 0 |
| 4 | 1 | 10 | 41 | 49 | 0 |
| 5 | 1 | 9 | 39 | 51 | 0 |
| 6 | 0 | 9 | 38 | 53 | 0 |
| 7 | 0 | 8 | 37 | 55 | 0 |
| 8 | 0 | 8 | 36 | 56 | 0 |
| 9 | 0 | 7 | 35 | 58 | 0 |
| 10 | 0 | 6 | 34 | 60 | 0 |
| 11 | 0 | 6 | 33 | 60 | 1 |
| 12 | 0 | 5 | 32 | 62 | 1 |
| 13 | 0 | 5 | 31 | 63 | 1 |
| 14 | 0 | 5 | 30 | 64 | 1 |
| 15 | 0 | 4 | 29 | 66 | 1 |
| 16 | 0 | 4 | 29 | 66 | 1 |
| 17 | 0 | 4 | 28 | 66 | 2 |
| 18 | 0 | 4 | 27 | 67 | 2 |
| 19 | 0 | 4 | 26 | 68 | 2 |
| 20 | 0 | 4 | 26 | 68 | 2 |
| 21 | 0 | 3 | 25 | 69 | 3 |
| 22 | 0 | 3 | 24 | 70 | 3 |
| 23 | 0 | 3 | 23 | 71 | 3 |
| 24 | 0 | 3 | 23 | 70 | 4 |
| 25 | 0 | 3 | 22 | 70 | 5 |
| 26 | 0 | 3 | 22 | 70 | 5 |
| 27 | 0 | 3 | 21 | 70 | 6 |
| 28 | 0 | 2 | 21 | 71 | 6 |
| 29 | 0 | 2 | 21 | 70 | 7 |
| 30 | 0 | 2 | 21 | 70 | 7 |
| 31 | 0 | 2 | 21 | 69 | 8 |
Wind in December
Winds average 8 km/h in December.
Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in December
Daylight runs from about 13 h 18 min at the start of December to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over December. Sunrise moves from 6:07 AM to 6:18 AM, and sunset from 7:25 PM to 7:41 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.3 | 13.3 | 13.3 | 13.3 | 13.3 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 | 13.4 |
| Sunrise (AM) | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:18 |
| Sunset (PM) | 7:25 | 7:26 | 7:27 | 7:27 | 7:28 | 7:28 | 7:29 | 7:30 | 7:30 | 7:31 | 7:32 | 7:32 | 7:33 | 7:33 | 7:34 | 7:34 | 7:35 | 7:35 | 7:36 | 7:36 | 7:37 | 7:37 | 7:38 | 7:38 | 7:39 | 7:39 | 7:40 | 7:40 | 7:40 | 7:41 | 7:41 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 6:07 | 7:25 |
| 2 | 13.3 | 6:07 | 7:26 |
| 3 | 13.3 | 6:07 | 7:27 |
| 4 | 13.3 | 6:07 | 7:27 |
| 5 | 13.3 | 6:07 | 7:28 |
| 6 | 13.4 | 6:07 | 7:28 |
| 7 | 13.4 | 6:08 | 7:29 |
| 8 | 13.4 | 6:08 | 7:30 |
| 9 | 13.4 | 6:08 | 7:30 |
| 10 | 13.4 | 6:08 | 7:31 |
| 11 | 13.4 | 6:09 | 7:32 |
| 12 | 13.4 | 6:09 | 7:32 |
| 13 | 13.4 | 6:09 | 7:33 |
| 14 | 13.4 | 6:10 | 7:33 |
| 15 | 13.4 | 6:10 | 7:34 |
| 16 | 13.4 | 6:10 | 7:34 |
| 17 | 13.4 | 6:11 | 7:35 |
| 18 | 13.4 | 6:11 | 7:35 |
| 19 | 13.4 | 6:11 | 7:36 |
| 20 | 13.4 | 6:12 | 7:36 |
| 21 | 13.4 | 6:12 | 7:37 |
| 22 | 13.4 | 6:13 | 7:37 |
| 23 | 13.4 | 6:13 | 7:38 |
| 24 | 13.4 | 6:14 | 7:38 |
| 25 | 13.4 | 6:14 | 7:39 |
| 26 | 13.4 | 6:15 | 7:39 |
| 27 | 13.4 | 6:15 | 7:40 |
| 28 | 13.4 | 6:16 | 7:40 |
| 29 | 13.4 | 6:16 | 7:40 |
| 30 | 13.4 | 6:17 | 7:41 |
| 31 | 13.4 | 6:18 | 7:41 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 5.86 kWh/m².
For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.99 kWh/m² in February across the year — December's 5.86 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.7 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Mangaratiba
In December, Mangaratiba sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Mangaratiba's rainy season runs October–April, when most of the year's rain falls.
Is December a good time to visit Mangaratiba?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Mangaratiba for sightseeing.
What to pack for Mangaratiba in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Mangaratiba sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.
Sea temperature near Mangaratiba in December
The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in February at about 26°C and coldest in August near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 22 | 23 | 24 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 25 | Warm |
| May | 24 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 24 | Warm |
UV index in Mangaratiba in December
Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mangaratiba peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 12 | 9 | 7 | 6 | 5 | 8 | 7 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Mangaratiba in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Mangaratiba is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (February, 13 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 13 | 14 | 15 | 20 | 24 | 26 | 23 | 26 | 17 | 14 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 13 | Moderate |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 20 | Moderate |
| Jun | 24 | Moderate |
| Jul | 26 | Moderate |
| Aug | 23 | Moderate |
| Sep | 26 | Moderate |
| Oct | 17 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Mangaratiba?
Mangaratiba sits at 23.0°S, 44.0°W, 21 m above sea level, in Brazil. The nearest listed city is Rio Claro, 28 km away.
Topography around Mangaratiba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mangaratiba.
Within 3 km, the terrain around Mangaratiba has significant variations in elevation — a maximum elevation change of 444 m around an average of 58 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,664 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,049 m.
The land around Mangaratiba is covered by water (52%) and trees (35%) within 3 km, trees (51%) and water (40%) within 16 km, and trees (36%), water (36%) and grassland (22%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mangaratiba (-22.9597°, -44.0406°, elevation 21 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).