Três Rios weather in August
In August, Três Rios sees average daytime highs of 25°C and overnight lows near 14°C, with 21 mm of rain across 4.2 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 44% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 11 hours at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Três Rios's 1st-clearest and 3rd-windiest month. For the whole year in context, see Três Rios's year-round climate.
- Daytime high
- 25°
- 9th warmest
- Overnight low
- 14°
- 3rd coldest
- Rainfall
- 21 mm
- 4.2 wet days
- Daylight
- 11 h 12 min
- 7:20 AM – 6:34 PM
- Cloud cover
- 47%
- 1st clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 4.23 kWh/m²
- Travel score
- 7.9
- out of 10
Três Rios is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 25°C through the month.
A typical August day in Três Rios reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and about 1°C cooler than September.
| 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) | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 14 |
| 2 | 25 | 14 |
| 3 | 25 | 14 |
| 4 | 25 | 14 |
| 5 | 25 | 14 |
| 6 | 25 | 14 |
| 7 | 25 | 14 |
| 8 | 25 | 14 |
| 9 | 25 | 14 |
| 10 | 25 | 14 |
| 11 | 25 | 14 |
| 12 | 25 | 14 |
| 13 | 25 | 14 |
| 14 | 25 | 14 |
| 15 | 25 | 14 |
| 16 | 25 | 14 |
| 17 | 25 | 14 |
| 18 | 25 | 14 |
| 19 | 25 | 14 |
| 20 | 25 | 14 |
| 21 | 25 | 15 |
| 22 | 25 | 15 |
| 23 | 25 | 15 |
| 24 | 25 | 15 |
| 25 | 25 | 15 |
| 26 | 26 | 15 |
| 27 | 26 | 15 |
| 28 | 26 | 15 |
| 29 | 26 | 15 |
| 30 | 26 | 15 |
| 31 | 26 | 15 |
Três Rios weather by month
How August compares with the rest of the year at a glance. August is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 20° | 233 | 19.5 | 13.2 | 4.1 |
| Feb | 30° / 20° | 154 | 15.1 | 12.8 | 4.3 |
| Mar | 29° / 20° | 148 | 17.7 | 12.2 | 4.5 |
| Apr | 27° / 18° | 57 | 9.6 | 11.5 | 6.4 |
| May | 25° / 16° | 35 | 6.3 | 11 | 7.4 |
| Jun | 24° / 14° | 17 | 3.4 | 10.7 | 8.2 |
| Jul | 24° / 14° | 18 | 3.7 | 10.8 | 8.2 |
| Aug | 25° / 14° | 21 | 4.2 | 11.2 | 7.9 |
| Sep | 26° / 16° | 59 | 8.7 | 11.9 | 6.8 |
| Oct | 27° / 18° | 107 | 13.7 | 12.5 | 5.8 |
| Nov | 27° / 19° | 198 | 18.8 | 13.1 | 4.8 |
| Dec | 29° / 20° | 236 | 21.3 | 13.3 | 4.2 |
Cloud cover in August
The sky is clear or mostly clear about 44% of the time in August, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 38%.
| 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 (%) | 62 | 62 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 |
| Cloudier (%) | 38 | 38 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 62 | 38 |
| 2 | 62 | 38 |
| 3 | 63 | 37 |
| 4 | 63 | 37 |
| 5 | 63 | 37 |
| 6 | 63 | 37 |
| 7 | 62 | 38 |
| 8 | 62 | 38 |
| 9 | 62 | 38 |
| 10 | 62 | 38 |
| 11 | 62 | 38 |
| 12 | 62 | 38 |
| 13 | 62 | 38 |
| 14 | 61 | 39 |
| 15 | 61 | 39 |
| 16 | 61 | 39 |
| 17 | 61 | 39 |
| 18 | 61 | 39 |
| 19 | 62 | 38 |
| 20 | 62 | 38 |
| 21 | 62 | 38 |
| 22 | 62 | 38 |
| 23 | 63 | 37 |
| 24 | 63 | 37 |
| 25 | 63 | 37 |
| 26 | 63 | 37 |
| 27 | 63 | 37 |
| 28 | 63 | 37 |
| 29 | 63 | 37 |
| 30 | 63 | 37 |
| 31 | 63 | 37 |
Chance of precipitation in August
Três Rios gets around 21 mm of rain over 4.2 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 14% and peaks near 19% on the wettest days.
| 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 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 19 |
| Rain chance (%) | |
|---|---|
| 1 | 13 |
| 2 | 13 |
| 3 | 13 |
| 4 | 12 |
| 5 | 12 |
| 6 | 12 |
| 7 | 12 |
| 8 | 12 |
| 9 | 12 |
| 10 | 12 |
| 11 | 12 |
| 12 | 12 |
| 13 | 12 |
| 14 | 12 |
| 15 | 12 |
| 16 | 13 |
| 17 | 13 |
| 18 | 13 |
| 19 | 13 |
| 20 | 14 |
| 21 | 14 |
| 22 | 15 |
| 23 | 15 |
| 24 | 15 |
| 25 | 16 |
| 26 | 16 |
| 27 | 17 |
| 28 | 17 |
| 29 | 18 |
| 30 | 18 |
| 31 | 19 |
Humidity in August
Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the comfortable band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 26 |
| Comfortable (%) | 53 | 53 | 53 | 52 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 51 | 52 | 51 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 48 | 48 | 48 |
| Humid (%) | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 25 |
| Muggy (%) | 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 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 33 | 53 | 14 | 0 |
| 2 | 33 | 53 | 14 | 0 |
| 3 | 33 | 53 | 14 | 0 |
| 4 | 34 | 52 | 14 | 0 |
| 5 | 34 | 51 | 15 | 0 |
| 6 | 34 | 51 | 15 | 0 |
| 7 | 34 | 51 | 15 | 0 |
| 8 | 34 | 51 | 15 | 0 |
| 9 | 34 | 50 | 16 | 0 |
| 10 | 34 | 50 | 16 | 0 |
| 11 | 34 | 50 | 16 | 0 |
| 12 | 33 | 51 | 16 | 0 |
| 13 | 33 | 51 | 16 | 0 |
| 14 | 33 | 51 | 16 | 0 |
| 15 | 33 | 51 | 16 | 0 |
| 16 | 33 | 51 | 16 | 0 |
| 17 | 32 | 52 | 16 | 0 |
| 18 | 32 | 52 | 16 | 0 |
| 19 | 32 | 51 | 17 | 0 |
| 20 | 31 | 52 | 17 | 0 |
| 21 | 31 | 51 | 18 | 0 |
| 22 | 30 | 52 | 18 | 0 |
| 23 | 30 | 51 | 19 | 0 |
| 24 | 29 | 51 | 20 | 0 |
| 25 | 29 | 50 | 21 | 0 |
| 26 | 28 | 50 | 21 | 1 |
| 27 | 28 | 49 | 22 | 1 |
| 28 | 28 | 49 | 23 | 1 |
| 29 | 27 | 48 | 23 | 1 |
| 30 | 27 | 48 | 24 | 1 |
| 31 | 26 | 48 | 25 | 1 |
Wind in August
Winds average 8 km/h in August.
Across August, daily wind ranges from about 7 km/h on the calmest days to 8 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 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 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 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | 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 August
Daylight runs from about 11 hours at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over August. Sunrise moves from 7:30 AM to 7:07 AM, and sunset from 6:28 PM to 6:39 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) | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 |
| Sunrise (AM) | 7:30 | 7:29 | 7:29 | 7:28 | 7:27 | 7:27 | 7:26 | 7:26 | 7:25 | 7:24 | 7:24 | 7:23 | 7:22 | 7:21 | 7:21 | 7:20 | 7:19 | 7:18 | 7:18 | 7:17 | 7:16 | 7:15 | 7:14 | 7:13 | 7:12 | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 |
| Sunset (PM) | 6:28 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 7:30 | 6:28 |
| 2 | 11.0 | 7:29 | 6:29 |
| 3 | 11.0 | 7:29 | 6:29 |
| 4 | 11.0 | 7:28 | 6:29 |
| 5 | 11.0 | 7:27 | 6:30 |
| 6 | 11.1 | 7:27 | 6:30 |
| 7 | 11.1 | 7:26 | 6:31 |
| 8 | 11.1 | 7:26 | 6:31 |
| 9 | 11.1 | 7:25 | 6:31 |
| 10 | 11.1 | 7:24 | 6:32 |
| 11 | 11.1 | 7:24 | 6:32 |
| 12 | 11.2 | 7:23 | 6:32 |
| 13 | 11.2 | 7:22 | 6:33 |
| 14 | 11.2 | 7:21 | 6:33 |
| 15 | 11.2 | 7:21 | 6:34 |
| 16 | 11.2 | 7:20 | 6:34 |
| 17 | 11.3 | 7:19 | 6:34 |
| 18 | 11.3 | 7:18 | 6:35 |
| 19 | 11.3 | 7:18 | 6:35 |
| 20 | 11.3 | 7:17 | 6:35 |
| 21 | 11.3 | 7:16 | 6:36 |
| 22 | 11.3 | 7:15 | 6:36 |
| 23 | 11.4 | 7:14 | 6:36 |
| 24 | 11.4 | 7:13 | 6:37 |
| 25 | 11.4 | 7:12 | 6:37 |
| 26 | 11.4 | 7:12 | 6:37 |
| 27 | 11.4 | 7:11 | 6:38 |
| 28 | 11.5 | 7:10 | 6:38 |
| 29 | 11.5 | 7:09 | 6:38 |
| 30 | 11.5 | 7:08 | 6:39 |
| 31 | 11.5 | 7:07 | 6:39 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.23 kWh/m².
For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.9 kWh/m² in February across the year — August's 4.23 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) | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | 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 | 3.9 | Moderate |
| 2 | 3.9 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 4.0 | Moderate |
| 5 | 4.0 | Moderate |
| 6 | 4.0 | Bright |
| 7 | 4.0 | Bright |
| 8 | 4.0 | Bright |
| 9 | 4.1 | Bright |
| 10 | 4.1 | Bright |
| 11 | 4.1 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.2 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.3 | Bright |
| 20 | 4.3 | Bright |
| 21 | 4.3 | Bright |
| 22 | 4.3 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.6 | Bright |
Hazard calendar for Três Rios
None of Três Rios's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Três Rios's monsoon runs October–March, when most of the year's rain falls.
Is August a good time to visit Três Rios?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Três Rios for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Três Rios in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Três Rios sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes. About 4 days see rain.
UV index in Três Rios in August
Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Três Rios peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (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) | 15 | 15 | 13 | 10 | 7 | 6 | 6 | 8 | 8 | 12 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 12 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
Air quality in Três Rios in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Três Rios is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 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) | 11 | 11 | 12 | 13 | 15 | 15 | 14 | 16 | 22 | 14 | 12 | 11 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 11 | Good |
| Mar | 12 | Good |
| Apr | 13 | Moderate |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 16 | Moderate |
| Sep | 22 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Três Rios?
Três Rios sits at 22.1°S, 43.2°W, 276 m above sea level, in Brazil. The nearest listed city is Paraíba do Sul, 10 km away.
Topography around Três Rios
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Três Rios.
Within 3 km, the terrain around Três Rios has significant variations in elevation — a maximum elevation change of 408 m around an average of 338 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 655 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.
The land around Três Rios is covered by grassland (52%), trees (24%) and artificial surfaces (22%) within 3 km, grassland (59%) and trees (37%) within 16 km, and trees (49%) and grassland (45%) 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 Três Rios (-22.1167°, -43.2092°, elevation 276 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).