Rio Grande da Serra weather in October
In October, Rio Grande da Serra sees average daytime highs of 25°C and overnight lows near 17°C, with 157 mm of rain across 17.8 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 6th-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 10% of the time in October, and the air most often feels humid.
Daylight stretches from about 12 h 12 min at the start of October to 12 h 54 min by month's end. Set against the rest of the year, October is Rio Grande da Serra's 10th-clearest and 2nd-windiest month. For the whole year in context, see Rio Grande da Serra's year-round climate.
- Daytime high
- 25°
- 7th warmest
- Overnight low
- 17°
- 6th coldest
- Rainfall
- 157 mm
- 17.8 wet days
- Daylight
- 12 h 36 min
- 6:34 AM – 7:08 PM
- Cloud cover
- 79%
- 10th clearest
- Wind
- 9 km/h
- 2nd windiest
- Solar energy
- 5.08 kWh/m²
- Travel score
- 5.4
- out of 10
Rio Grande da Serra is human settlement in Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Day-to-day highs hold fairly steady near 25°C through the month.
A typical October day in Rio Grande da Serra reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 31°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.
| 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 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 16 |
| 2 | 24 | 16 |
| 3 | 24 | 16 |
| 4 | 24 | 16 |
| 5 | 24 | 16 |
| 6 | 24 | 16 |
| 7 | 24 | 16 |
| 8 | 24 | 16 |
| 9 | 24 | 16 |
| 10 | 25 | 16 |
| 11 | 25 | 16 |
| 12 | 25 | 17 |
| 13 | 25 | 17 |
| 14 | 25 | 17 |
| 15 | 25 | 17 |
| 16 | 25 | 17 |
| 17 | 25 | 17 |
| 18 | 25 | 17 |
| 19 | 25 | 17 |
| 20 | 25 | 17 |
| 21 | 25 | 17 |
| 22 | 25 | 17 |
| 23 | 25 | 17 |
| 24 | 25 | 17 |
| 25 | 25 | 17 |
| 26 | 25 | 17 |
| 27 | 25 | 17 |
| 28 | 25 | 17 |
| 29 | 25 | 17 |
| 30 | 25 | 17 |
| 31 | 25 | 17 |
Rio Grande da Serra weather by month
How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 20° | 337 | 26.6 | 13.3 | 3.9 |
| Feb | 28° / 20° | 275 | 23 | 12.8 | 4.0 |
| Mar | 27° / 19° | 271 | 24.6 | 12.2 | 4.3 |
| Apr | 25° / 18° | 114 | 15.8 | 11.5 | 5.7 |
| May | 23° / 15° | 96 | 12.1 | 10.9 | 6.4 |
| Jun | 22° / 14° | 70 | 8.4 | 10.6 | 7.0 |
| Jul | 22° / 13° | 84 | 8.3 | 10.7 | 7.1 |
| Aug | 23° / 14° | 68 | 8.8 | 11.2 | 7.1 |
| Sep | 24° / 15° | 129 | 13.9 | 11.9 | 6.2 |
| Oct | 25° / 17° | 157 | 17.8 | 12.6 | 5.4 |
| Nov | 25° / 18° | 209 | 20.7 | 13.1 | 4.9 |
| Dec | 27° / 19° | 251 | 23.9 | 13.4 | 4.3 |
Cloud cover in October
The sky is clear or mostly clear about 10% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 79%.
| 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 (%) | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 |
| Cloudier (%) | 77 | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 79 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 79 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 23 | 77 |
| 2 | 22 | 78 |
| 3 | 22 | 78 |
| 4 | 23 | 77 |
| 5 | 23 | 77 |
| 6 | 23 | 77 |
| 7 | 23 | 77 |
| 8 | 23 | 77 |
| 9 | 23 | 77 |
| 10 | 23 | 77 |
| 11 | 22 | 78 |
| 12 | 22 | 78 |
| 13 | 22 | 78 |
| 14 | 21 | 79 |
| 15 | 20 | 80 |
| 16 | 20 | 80 |
| 17 | 19 | 81 |
| 18 | 19 | 81 |
| 19 | 19 | 81 |
| 20 | 19 | 81 |
| 21 | 19 | 81 |
| 22 | 19 | 81 |
| 23 | 19 | 81 |
| 24 | 20 | 80 |
| 25 | 20 | 80 |
| 26 | 20 | 80 |
| 27 | 20 | 80 |
| 28 | 20 | 80 |
| 29 | 21 | 79 |
| 30 | 21 | 79 |
| 31 | 21 | 79 |
Chance of precipitation in October
Rio Grande da Serra gets around 157 mm of rain over 17.8 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 58% and peaks near 64% 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 (%) | 57 | 57 | 57 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 55 | 55 | 55 | 56 | 57 | 57 | 58 | 58 | 59 | 60 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 64 |
| Rain chance (%) | |
|---|---|
| 1 | 57 |
| 2 | 57 |
| 3 | 57 |
| 4 | 56 |
| 5 | 55 |
| 6 | 55 |
| 7 | 54 |
| 8 | 54 |
| 9 | 54 |
| 10 | 54 |
| 11 | 55 |
| 12 | 55 |
| 13 | 55 |
| 14 | 56 |
| 15 | 57 |
| 16 | 57 |
| 17 | 58 |
| 18 | 58 |
| 19 | 59 |
| 20 | 60 |
| 21 | 61 |
| 22 | 61 |
| 23 | 62 |
| 24 | 62 |
| 25 | 62 |
| 26 | 62 |
| 27 | 62 |
| 28 | 63 |
| 29 | 63 |
| 30 | 63 |
| 31 | 64 |
Humidity in October
Most of October feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the humid band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 27% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
| Comfortable (%) | 30 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Humid (%) | 47 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 46 |
| Muggy (%) | 13 | 14 | 15 | 17 | 18 | 19 | 21 | 22 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 33 | 33 |
| Oppressive (%) | 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 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 10 | 30 | 47 | 13 | 0 |
| 2 | 9 | 29 | 48 | 14 | 0 |
| 3 | 9 | 28 | 48 | 15 | 0 |
| 4 | 8 | 28 | 48 | 17 | 0 |
| 5 | 8 | 27 | 47 | 18 | 0 |
| 6 | 7 | 26 | 47 | 19 | 0 |
| 7 | 7 | 25 | 47 | 21 | 0 |
| 8 | 7 | 24 | 47 | 22 | 0 |
| 9 | 6 | 23 | 47 | 24 | 0 |
| 10 | 6 | 22 | 47 | 25 | 0 |
| 11 | 6 | 22 | 47 | 26 | 0 |
| 12 | 6 | 21 | 46 | 27 | 0 |
| 13 | 5 | 20 | 46 | 28 | 0 |
| 14 | 5 | 20 | 46 | 29 | 0 |
| 15 | 5 | 19 | 46 | 30 | 0 |
| 16 | 4 | 19 | 46 | 30 | 0 |
| 17 | 4 | 18 | 47 | 31 | 0 |
| 18 | 4 | 18 | 47 | 31 | 0 |
| 19 | 4 | 17 | 47 | 32 | 0 |
| 20 | 3 | 17 | 48 | 32 | 0 |
| 21 | 3 | 16 | 48 | 32 | 0 |
| 22 | 4 | 16 | 48 | 32 | 0 |
| 23 | 4 | 16 | 48 | 31 | 0 |
| 24 | 4 | 16 | 48 | 31 | 0 |
| 25 | 4 | 16 | 48 | 31 | 1 |
| 26 | 4 | 16 | 48 | 31 | 1 |
| 27 | 4 | 16 | 48 | 31 | 1 |
| 28 | 4 | 16 | 47 | 32 | 1 |
| 29 | 5 | 16 | 47 | 32 | 0 |
| 30 | 5 | 16 | 46 | 33 | 0 |
| 31 | 5 | 16 | 46 | 33 | 0 |
Wind in October
Winds average 9 km/h in October.
Across October, daily wind ranges from about 9 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in October
Daylight runs from about 12 h 12 min at the start of October to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over October. Sunrise moves from 6:48 AM to 6:23 AM, and sunset from 7:01 PM to 7:16 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) | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 |
| Sunrise (AM) | 6:48 | 6:47 | 6:46 | 6:45 | 6:44 | 6:43 | 6:42 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:35 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 | 6:28 | 6:27 | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:23 | 6:23 |
| Sunset (PM) | 7:01 | 7:02 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:04 | 7:05 | 7:05 | 7:06 | 7:06 | 7:07 | 7:07 | 7:08 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 | 7:14 | 7:15 | 7:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:48 | 7:01 |
| 2 | 12.2 | 6:47 | 7:02 |
| 3 | 12.3 | 6:46 | 7:02 |
| 4 | 12.3 | 6:45 | 7:02 |
| 5 | 12.3 | 6:44 | 7:03 |
| 6 | 12.3 | 6:43 | 7:03 |
| 7 | 12.4 | 6:42 | 7:04 |
| 8 | 12.4 | 6:41 | 7:04 |
| 9 | 12.4 | 6:40 | 7:04 |
| 10 | 12.4 | 6:39 | 7:05 |
| 11 | 12.5 | 6:38 | 7:05 |
| 12 | 12.5 | 6:37 | 7:06 |
| 13 | 12.5 | 6:36 | 7:06 |
| 14 | 12.5 | 6:35 | 7:07 |
| 15 | 12.5 | 6:35 | 7:07 |
| 16 | 12.6 | 6:34 | 7:08 |
| 17 | 12.6 | 6:33 | 7:08 |
| 18 | 12.6 | 6:32 | 7:08 |
| 19 | 12.6 | 6:31 | 7:09 |
| 20 | 12.7 | 6:30 | 7:09 |
| 21 | 12.7 | 6:30 | 7:10 |
| 22 | 12.7 | 6:29 | 7:11 |
| 23 | 12.7 | 6:28 | 7:11 |
| 24 | 12.7 | 6:27 | 7:12 |
| 25 | 12.8 | 6:27 | 7:12 |
| 26 | 12.8 | 6:26 | 7:13 |
| 27 | 12.8 | 6:25 | 7:13 |
| 28 | 12.8 | 6:25 | 7:14 |
| 29 | 12.8 | 6:24 | 7:14 |
| 30 | 12.9 | 6:23 | 7:15 |
| 31 | 12.9 | 6:23 | 7:16 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 5.08 kWh/m².
For context, solar energy here swings from a low near 3.21 kWh/m² to a high of 5.74 kWh/m² in December across the year — October's 5.08 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) | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 |
| 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 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 5.0 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.1 | Bright |
| 15 | 5.1 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Rio Grande da Serra
In October, Rio Grande da Serra sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Rio Grande da Serra's rainy season runs October–March, when most of the year's rain falls.
Is October a good time to visit Rio Grande da Serra?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Rio Grande da Serra for sightseeing.
What to pack for Rio Grande da Serra in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Rio Grande da Serra sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.
Sea temperature near Rio Grande da Serra in October
The nearest coast averages about 22°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 31 km away) is warmest in February at about 27°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) | 27 | 27 | 27 | 26 | 24 | 22 | 21 | 21 | 21 | 22 | 23 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 24 | Refreshing |
| Jun | 22 | Refreshing |
| Jul | 21 | Refreshing |
| Aug | 21 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 23 | Refreshing |
| Dec | 25 | Warm |
UV index in Rio Grande da Serra in October
Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rio Grande da Serra peaks around February 8 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 | 15 | 10 | 9 | 7 | 6 | 5 | 7 | 8 | 11 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | Moderate | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 10 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | Moderate |
| Aug | 7 | Very high |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Rio Grande da Serra in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Rio Grande da Serra is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 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) | 25 | 24 | 26 | 28 | 36 | 49 | 52 | 47 | 41 | 31 | 25 | 26 |
| Level | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 25 | Moderate |
| Feb | 24 | Moderate |
| Mar | 26 | Moderate |
| Apr | 28 | Moderate |
| May | 36 | Poor |
| Jun | 49 | Poor |
| Jul | 52 | Poor |
| Aug | 47 | Poor |
| Sep | 41 | Poor |
| Oct | 31 | Moderate |
| Nov | 25 | Moderate |
| Dec | 26 | Moderate |
Where is Rio Grande da Serra?
Rio Grande da Serra sits at 23.7°S, 46.4°W, 777 m above sea level, in Brazil. The nearest listed city is Ribeirão Pires, 4.0 km away.
Topography around Rio Grande da Serra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rio Grande da Serra.
Within 3 km, the terrain around Rio Grande da Serra has only modest variations in elevation — a maximum elevation change of 124 m around an average of 780 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,172 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.
The land around Rio Grande da Serra is covered by trees (73%) within 3 km, trees (68%) within 16 km, and trees (47%) and water (31%) 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 Rio Grande da Serra (-23.7442°, -46.3983°, elevation 777 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).