Itaboraí weather in December
In December, Itaboraí sees average daytime highs of 29°C and overnight lows near 23°C, with 254 mm of rain across 21.6 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 29°C through the month. The sky is clear or mostly clear about 16% 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 Itaboraí's 11th-clearest and 5th-windiest month. For the whole year in context, see Itaboraí's year-round climate.
- Daytime high
- 29°
- 4th warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 254 mm
- 21.6 wet days
- Daylight
- 13 h 24 min
- 6:06 AM – 7:29 PM
- Cloud cover
- 71%
- 11th clearest
- Wind
- 6 km/h
- 5th windiest
- Solar energy
- 5.77 kWh/m²
- Travel score
- 3.8
- out of 10
Itaboraí is human settlement in Brazil.
- Air quality
- Good
- PM2.5 8 µg/m³ · 2015
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 29°C through the month.
A typical December day in Itaboraí reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 22 | 22 | 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 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 22 |
| 2 | 29 | 22 |
| 3 | 29 | 22 |
| 4 | 29 | 22 |
| 5 | 29 | 22 |
| 6 | 29 | 22 |
| 7 | 29 | 22 |
| 8 | 29 | 22 |
| 9 | 29 | 22 |
| 10 | 29 | 22 |
| 11 | 29 | 22 |
| 12 | 29 | 22 |
| 13 | 29 | 22 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 30 | 23 |
| 18 | 30 | 23 |
| 19 | 30 | 23 |
| 20 | 30 | 23 |
| 21 | 30 | 23 |
| 22 | 30 | 23 |
| 23 | 30 | 23 |
| 24 | 30 | 23 |
| 25 | 30 | 23 |
| 26 | 30 | 23 |
| 27 | 30 | 23 |
| 28 | 30 | 23 |
| 29 | 30 | 23 |
| 30 | 30 | 23 |
| 31 | 30 | 23 |
How December really feels in Itaboraí
Once humidity and wind are folded in, December averages 19 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Itaboraí 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 | 31° / 23° | 259 | 21.3 | 13.2 | 3.4 |
| Feb | 31° / 23° | 199 | 18.1 | 12.8 | 3.5 |
| Mar | 30° / 23° | 220 | 21.9 | 12.2 | 3.8 |
| Apr | 28° / 21° | 108 | 14.2 | 11.5 | 5.4 |
| May | 26° / 19° | 77 | 11 | 10.9 | 6.7 |
| Jun | 26° / 18° | 44 | 7 | 10.6 | 7.4 |
| Jul | 25° / 17° | 44 | 7.2 | 10.7 | 7.6 |
| Aug | 26° / 17° | 43 | 7.3 | 11.2 | 7.4 |
| Sep | 26° / 19° | 82 | 10.9 | 11.9 | 6.5 |
| Oct | 27° / 20° | 112 | 13.5 | 12.5 | 5.8 |
| Nov | 28° / 21° | 210 | 18.7 | 13.1 | 4.8 |
| Dec | 29° / 23° | 254 | 21.6 | 13.4 | 3.8 |
Cloud cover in December
The sky is clear or mostly clear about 16% 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 (%) | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 31 | 31 | 32 | 33 | 34 | 35 | 34 | 35 | 35 | 36 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 34 | 32 |
| Cloudier (%) | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 69 | 69 | 68 | 67 | 66 | 65 | 66 | 65 | 65 | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 68 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 30 | 70 |
| 2 | 29 | 71 |
| 3 | 29 | 71 |
| 4 | 28 | 72 |
| 5 | 28 | 72 |
| 6 | 27 | 73 |
| 7 | 27 | 73 |
| 8 | 27 | 73 |
| 9 | 28 | 72 |
| 10 | 28 | 72 |
| 11 | 29 | 71 |
| 12 | 29 | 71 |
| 13 | 31 | 69 |
| 14 | 31 | 69 |
| 15 | 32 | 68 |
| 16 | 33 | 67 |
| 17 | 34 | 66 |
| 18 | 35 | 65 |
| 19 | 34 | 66 |
| 20 | 35 | 65 |
| 21 | 35 | 65 |
| 22 | 36 | 64 |
| 23 | 36 | 64 |
| 24 | 36 | 64 |
| 25 | 35 | 65 |
| 26 | 35 | 65 |
| 27 | 35 | 65 |
| 28 | 34 | 66 |
| 29 | 34 | 66 |
| 30 | 34 | 66 |
| 31 | 32 | 68 |
Chance of precipitation in December
Itaboraí gets around 254 mm of rain over 21.6 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 69% and peaks near 76% 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 (%) | 64 | 63 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 66 | 66 | 67 | 67 | 68 | 68 | 69 | 70 | 70 | 71 | 71 | 72 | 73 | 73 | 74 | 75 | 75 | 75 | 76 | 76 | 76 | 75 |
| Rain chance (%) | |
|---|---|
| 1 | 64 |
| 2 | 63 |
| 3 | 64 |
| 4 | 64 |
| 5 | 64 |
| 6 | 64 |
| 7 | 64 |
| 8 | 65 |
| 9 | 65 |
| 10 | 66 |
| 11 | 66 |
| 12 | 67 |
| 13 | 67 |
| 14 | 68 |
| 15 | 68 |
| 16 | 69 |
| 17 | 70 |
| 18 | 70 |
| 19 | 71 |
| 20 | 71 |
| 21 | 72 |
| 22 | 73 |
| 23 | 73 |
| 24 | 74 |
| 25 | 75 |
| 26 | 75 |
| 27 | 75 |
| 28 | 76 |
| 29 | 76 |
| 30 | 76 |
| 31 | 75 |
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 69% of days. Sticky, muggy-or-worse air turns up on roughly 97% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
| Oppressive (%) | 54 | 56 | 57 | 58 | 59 | 61 | 62 | 63 | 63 | 65 | 66 | 67 | 67 | 69 | 70 | 70 | 71 | 72 | 73 | 73 | 75 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 76 | 75 | 75 |
| Miserable (%) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 9 | 36 | 54 | 1 |
| 2 | 8 | 35 | 56 | 1 |
| 3 | 8 | 34 | 57 | 1 |
| 4 | 7 | 33 | 58 | 2 |
| 5 | 7 | 32 | 59 | 2 |
| 6 | 6 | 31 | 61 | 2 |
| 7 | 6 | 30 | 62 | 2 |
| 8 | 5 | 29 | 63 | 3 |
| 9 | 5 | 29 | 63 | 3 |
| 10 | 4 | 28 | 65 | 3 |
| 11 | 4 | 27 | 66 | 3 |
| 12 | 3 | 26 | 67 | 4 |
| 13 | 3 | 26 | 67 | 4 |
| 14 | 2 | 25 | 69 | 4 |
| 15 | 2 | 24 | 70 | 4 |
| 16 | 2 | 23 | 70 | 5 |
| 17 | 2 | 22 | 71 | 5 |
| 18 | 2 | 21 | 72 | 5 |
| 19 | 2 | 20 | 73 | 5 |
| 20 | 2 | 19 | 73 | 6 |
| 21 | 1 | 18 | 75 | 6 |
| 22 | 1 | 17 | 76 | 6 |
| 23 | 1 | 16 | 76 | 7 |
| 24 | 1 | 15 | 77 | 7 |
| 25 | 1 | 14 | 77 | 8 |
| 26 | 1 | 14 | 77 | 8 |
| 27 | 1 | 13 | 77 | 9 |
| 28 | 1 | 13 | 77 | 9 |
| 29 | 1 | 13 | 76 | 10 |
| 30 | 1 | 13 | 75 | 11 |
| 31 | 1 | 13 | 75 | 11 |
Wind in December
Winds average 6 km/h in December.
Across December, daily wind ranges from about 6 km/h on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | 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 6:02 AM to 6:13 AM, and sunset from 7:20 PM to 7:36 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 | 13.3 | 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 |
| Sunrise (AM) | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 |
| Sunset (PM) | 7:20 | 7:21 | 7:21 | 7:22 | 7:23 | 7:23 | 7:24 | 7:25 | 7:25 | 7:26 | 7:26 | 7:27 | 7:28 | 7:28 | 7:29 | 7:29 | 7:30 | 7:30 | 7:31 | 7:31 | 7:32 | 7:32 | 7:33 | 7:33 | 7:34 | 7:34 | 7:34 | 7:35 | 7:35 | 7:36 | 7:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 6:02 | 7:20 |
| 2 | 13.3 | 6:02 | 7:21 |
| 3 | 13.3 | 6:03 | 7:21 |
| 4 | 13.3 | 6:03 | 7:22 |
| 5 | 13.3 | 6:03 | 7:23 |
| 6 | 13.3 | 6:03 | 7:23 |
| 7 | 13.3 | 6:03 | 7:24 |
| 8 | 13.4 | 6:03 | 7:25 |
| 9 | 13.4 | 6:04 | 7:25 |
| 10 | 13.4 | 6:04 | 7:26 |
| 11 | 13.4 | 6:04 | 7:26 |
| 12 | 13.4 | 6:05 | 7:27 |
| 13 | 13.4 | 6:05 | 7:28 |
| 14 | 13.4 | 6:05 | 7:28 |
| 15 | 13.4 | 6:06 | 7:29 |
| 16 | 13.4 | 6:06 | 7:29 |
| 17 | 13.4 | 6:06 | 7:30 |
| 18 | 13.4 | 6:07 | 7:30 |
| 19 | 13.4 | 6:07 | 7:31 |
| 20 | 13.4 | 6:08 | 7:31 |
| 21 | 13.4 | 6:08 | 7:32 |
| 22 | 13.4 | 6:09 | 7:32 |
| 23 | 13.4 | 6:09 | 7:33 |
| 24 | 13.4 | 6:09 | 7:33 |
| 25 | 13.4 | 6:10 | 7:34 |
| 26 | 13.4 | 6:11 | 7:34 |
| 27 | 13.4 | 6:11 | 7:34 |
| 28 | 13.4 | 6:12 | 7:35 |
| 29 | 13.4 | 6:12 | 7:35 |
| 30 | 13.4 | 6:13 | 7:36 |
| 31 | 13.4 | 6:13 | 7:36 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 5.77 kWh/m².
For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.06 kWh/m² in February across the year — December's 5.77 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) | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 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 | 5.8 | 5.8 | 5.8 | 5.8 | 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 | 5.6 | Bright |
| 2 | 5.6 | Bright |
| 3 | 5.6 | Bright |
| 4 | 5.6 | Bright |
| 5 | 5.6 | Bright |
| 6 | 5.6 | Bright |
| 7 | 5.6 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.8 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Itaboraí
In December, Itaboraí sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Itaboraí's rainy season runs November–March, when most of the year's rain falls.
Is December a good time to visit Itaboraí?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Itaboraí.
What to pack for Itaboraí in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Itaboraí sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.
Sea temperature near Itaboraí 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 42 km away) is warmest in March at about 25°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) | 25 | 25 | 25 | 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 | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | 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 Itaboraí 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 Itaboraí peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (moderate).
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 | 13 | 12 | 9 | 7 | 6 | 5 | 8 | 7 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | Very high | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | Moderate |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Itaboraí?
Itaboraí sits at 22.7°S, 42.9°W, 47 m above sea level, in Brazil. The nearest listed city is Tanguá, 15 km away.
Topography around Itaboraí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Itaboraí.
Within 3 km, the terrain around Itaboraí has only modest variations in elevation — a maximum elevation change of 76 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 741 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.
The land around Itaboraí is covered by artificial surfaces (36%), trees (34%) and grassland (29%) within 3 km, grassland (42%) and trees (38%) within 16 km, and trees (42%), water (28%) 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 Itaboraí (-22.7444°, -42.8594°, elevation 47 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).