Caicó weather in January
In January, Caicó sees average daytime highs of 35°C and overnight lows near 24°C, with 59 mm of rain across 7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 29% of the time in January, and the air most often feels muggy.
Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Caicó's 9th-clearest and 9th-windiest month. For the whole year in context, see Caicó's year-round climate.
- Daytime high
- 35°
- 4th warmest
- Overnight low
- 24°
- 12th coldest
- Rainfall
- 59 mm
- 7 wet days
- Daylight
- 12 h 18 min
- 5:28 AM – 5:48 PM
- Cloud cover
- 60%
- 9th clearest
- Wind
- 13 km/h
- 9th windiest
- Solar energy
- 6.24 kWh/m²
- Travel score
- 2.6
- out of 10
Caicó is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 35°C through the month.
A typical January day in Caicó reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.
| 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) | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 36 | 24 |
| 2 | 36 | 24 |
| 3 | 36 | 24 |
| 4 | 36 | 24 |
| 5 | 36 | 24 |
| 6 | 35 | 24 |
| 7 | 35 | 24 |
| 8 | 35 | 24 |
| 9 | 35 | 24 |
| 10 | 35 | 24 |
| 11 | 35 | 24 |
| 12 | 35 | 24 |
| 13 | 35 | 24 |
| 14 | 35 | 24 |
| 15 | 35 | 24 |
| 16 | 35 | 24 |
| 17 | 35 | 24 |
| 18 | 35 | 24 |
| 19 | 35 | 24 |
| 20 | 35 | 24 |
| 21 | 35 | 24 |
| 22 | 35 | 24 |
| 23 | 35 | 24 |
| 24 | 35 | 24 |
| 25 | 35 | 24 |
| 26 | 35 | 24 |
| 27 | 35 | 24 |
| 28 | 35 | 24 |
| 29 | 35 | 24 |
| 30 | 35 | 24 |
| 31 | 35 | 24 |
How January really feels in Caicó
Once humidity and wind are folded in, January averages 31 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Caicó weather by month
How January compares with the rest of the year at a glance. January is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 35° / 24° | 59 | 7 | 12.3 | 2.6 |
| Feb | 35° / 24° | 56 | 8.4 | 12.2 | 2.6 |
| Mar | 34° / 24° | 101 | 11.8 | 12 | 2.7 |
| Apr | 34° / 24° | 67 | 10.3 | 11.9 | 3.1 |
| May | 33° / 23° | 30 | 5.5 | 11.7 | 3.6 |
| Jun | 32° / 22° | 19 | 3.4 | 11.6 | 4.4 |
| Jul | 32° / 21° | 12 | 2 | 11.7 | 4.6 |
| Aug | 33° / 21° | 5 | 0.4 | 11.8 | 4.3 |
| Sep | 35° / 22° | 1 | 0.1 | 12 | 3.4 |
| Oct | 36° / 23° | 4 | 0.3 | 12.1 | 2.7 |
| Nov | 36° / 23° | 1 | 0.2 | 12.3 | 2.5 |
| Dec | 36° / 24° | 11 | 1.9 | 12.4 | 2.5 |
Cloud cover in January
The sky is clear or mostly clear about 29% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.
| 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 (%) | 59 | 58 | 58 | 58 | 57 | 56 | 54 | 53 | 52 | 52 | 51 | 50 | 49 | 48 | 48 | 47 | 47 | 46 | 48 | 48 | 47 | 48 | 49 | 49 | 48 | 49 | 50 | 49 | 50 | 51 | 51 |
| Cloudier (%) | 41 | 42 | 42 | 42 | 43 | 44 | 46 | 47 | 48 | 48 | 49 | 50 | 51 | 52 | 52 | 53 | 53 | 54 | 52 | 52 | 53 | 52 | 51 | 51 | 52 | 51 | 50 | 51 | 50 | 49 | 49 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 59 | 41 |
| 2 | 58 | 42 |
| 3 | 58 | 42 |
| 4 | 58 | 42 |
| 5 | 57 | 43 |
| 6 | 56 | 44 |
| 7 | 54 | 46 |
| 8 | 53 | 47 |
| 9 | 52 | 48 |
| 10 | 52 | 48 |
| 11 | 51 | 49 |
| 12 | 50 | 50 |
| 13 | 49 | 51 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 47 | 53 |
| 17 | 47 | 53 |
| 18 | 46 | 54 |
| 19 | 48 | 52 |
| 20 | 48 | 52 |
| 21 | 47 | 53 |
| 22 | 48 | 52 |
| 23 | 49 | 51 |
| 24 | 49 | 51 |
| 25 | 48 | 52 |
| 26 | 49 | 51 |
| 27 | 50 | 50 |
| 28 | 49 | 51 |
| 29 | 50 | 50 |
| 30 | 51 | 49 |
| 31 | 51 | 49 |
Chance of precipitation in January
Caicó gets around 59 mm of rain over 7 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 22% and peaks near 28% 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 (%) | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 19 | 20 | 21 | 23 | 24 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 24 | 24 |
| Rain chance (%) | |
|---|---|
| 1 | 13 |
| 2 | 14 |
| 3 | 14 |
| 4 | 15 |
| 5 | 15 |
| 6 | 16 |
| 7 | 16 |
| 8 | 17 |
| 9 | 17 |
| 10 | 18 |
| 11 | 19 |
| 12 | 20 |
| 13 | 21 |
| 14 | 23 |
| 15 | 24 |
| 16 | 25 |
| 17 | 26 |
| 18 | 26 |
| 19 | 27 |
| 20 | 27 |
| 21 | 28 |
| 22 | 28 |
| 23 | 28 |
| 24 | 28 |
| 25 | 28 |
| 26 | 27 |
| 27 | 27 |
| 28 | 26 |
| 29 | 25 |
| 30 | 24 |
| 31 | 24 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 69% 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Humid (%) | 42 | 41 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 |
| Muggy (%) | 50 | 51 | 50 | 52 | 53 | 53 | 54 | 54 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 52 | 52 | 51 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 50 | 50 |
| Oppressive (%) | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 1 | 42 | 50 | 7 |
| 2 | 1 | 41 | 51 | 7 |
| 3 | 1 | 41 | 50 | 8 |
| 4 | 0 | 40 | 52 | 8 |
| 5 | 0 | 39 | 53 | 8 |
| 6 | 0 | 38 | 53 | 9 |
| 7 | 0 | 37 | 54 | 9 |
| 8 | 0 | 36 | 54 | 10 |
| 9 | 0 | 35 | 55 | 10 |
| 10 | 0 | 34 | 55 | 11 |
| 11 | 0 | 33 | 55 | 12 |
| 12 | 0 | 33 | 54 | 13 |
| 13 | 0 | 32 | 54 | 14 |
| 14 | 0 | 31 | 54 | 15 |
| 15 | 0 | 30 | 54 | 16 |
| 16 | 0 | 29 | 54 | 17 |
| 17 | 0 | 29 | 53 | 18 |
| 18 | 0 | 28 | 53 | 19 |
| 19 | 0 | 27 | 53 | 20 |
| 20 | 0 | 27 | 52 | 21 |
| 21 | 0 | 26 | 52 | 22 |
| 22 | 0 | 26 | 51 | 23 |
| 23 | 0 | 25 | 52 | 23 |
| 24 | 0 | 25 | 51 | 24 |
| 25 | 0 | 25 | 51 | 24 |
| 26 | 1 | 25 | 50 | 25 |
| 27 | 1 | 25 | 50 | 25 |
| 28 | 1 | 25 | 49 | 25 |
| 29 | 1 | 25 | 49 | 25 |
| 30 | 1 | 25 | 50 | 24 |
| 31 | 1 | 26 | 50 | 24 |
Wind in January
Winds average 13 km/h in January.
Across January, daily wind ranges from about 13 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in January
Daylight runs from about 12 h 24 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over January. Sunrise moves from 5:20 AM to 5:33 AM, and sunset from 5:43 PM to 5:50 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunrise (AM) | 5:20 | 5:21 | 5:21 | 5:22 | 5:22 | 5:23 | 5:23 | 5:24 | 5:24 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:27 | 5:28 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 | 5:30 | 5:31 | 5:31 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 |
| Sunset (PM) | 5:43 | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 5:20 | 5:43 |
| 2 | 12.4 | 5:21 | 5:43 |
| 3 | 12.4 | 5:21 | 5:43 |
| 4 | 12.4 | 5:22 | 5:44 |
| 5 | 12.4 | 5:22 | 5:44 |
| 6 | 12.4 | 5:23 | 5:45 |
| 7 | 12.4 | 5:23 | 5:45 |
| 8 | 12.4 | 5:24 | 5:45 |
| 9 | 12.4 | 5:24 | 5:46 |
| 10 | 12.4 | 5:25 | 5:46 |
| 11 | 12.4 | 5:25 | 5:46 |
| 12 | 12.3 | 5:26 | 5:47 |
| 13 | 12.3 | 5:26 | 5:47 |
| 14 | 12.3 | 5:27 | 5:47 |
| 15 | 12.3 | 5:27 | 5:48 |
| 16 | 12.3 | 5:28 | 5:48 |
| 17 | 12.3 | 5:28 | 5:48 |
| 18 | 12.3 | 5:28 | 5:48 |
| 19 | 12.3 | 5:29 | 5:49 |
| 20 | 12.3 | 5:29 | 5:49 |
| 21 | 12.3 | 5:30 | 5:49 |
| 22 | 12.3 | 5:30 | 5:49 |
| 23 | 12.3 | 5:30 | 5:49 |
| 24 | 12.3 | 5:31 | 5:49 |
| 25 | 12.3 | 5:31 | 5:50 |
| 26 | 12.3 | 5:32 | 5:50 |
| 27 | 12.3 | 5:32 | 5:50 |
| 28 | 12.3 | 5:32 | 5:50 |
| 29 | 12.3 | 5:33 | 5:50 |
| 30 | 12.3 | 5:33 | 5:50 |
| 31 | 12.3 | 5:33 | 5:50 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 6.24 kWh/m².
For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 7.09 kWh/m² in October across the year — January's 6.24 kWh/m² falls in the middle.
| 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) | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.2 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
| 31 | 6.3 | Intense |
Is January a good time to visit Caicó?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Caicó.
What to pack for Caicó in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Caicó sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection. About 7 days see rain.
UV index in Caicó in January
Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Caicó peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (very 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) | 13 | 15 | 15 | 14 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Caicó in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Caicó is worst in October — around 21 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (July, 5 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) | 12 | 9 | 8 | 8 | 7 | 6 | 5 | 13 | 20 | 21 | 19 | 16 |
| Level | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 9 | Good |
| Mar | 8 | Good |
| Apr | 8 | Good |
| May | 7 | Good |
| Jun | 6 | Good |
| Jul | 5 | Good |
| Aug | 13 | Moderate |
| Sep | 20 | Moderate |
| Oct | 21 | Moderate |
| Nov | 19 | Moderate |
| Dec | 16 | Moderate |
Where is Caicó?
Caicó sits at 6.5°S, 37.1°W, 161 m above sea level, in Brazil. The nearest listed city is Jucurutu, 48 km away.
Topography around Caicó
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Caicó.
Within 3 km, the terrain around Caicó has only modest variations in elevation — a maximum elevation change of 54 m around an average of 162 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 867 m.
The land around Caicó is covered by shrubs (36%), grassland (31%) and artificial surfaces (27%) within 3 km, shrubs (69%) and grassland (26%) within 16 km, and shrubs (77%) 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 Caicó (-6.4583°, -37.0978°, elevation 161 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. 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).