Porto Velho weather in October
In October, Porto Velho sees average daytime highs of 32°C and overnight lows near 24°C, with 178 mm of rain across 23.3 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 9% of the time in October, and the air most often feels miserable.
Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Porto Velho's 6th-clearest and 6th-windiest month. For the whole year in context, see Porto Velho's year-round climate.
- Daytime high
- 32°
- 3rd warmest
- Overnight low
- 24°
- 12th coldest
- Rainfall
- 178 mm
- 23.3 wet days
- Daylight
- 12 h 12 min
- 5:55 AM – 6:07 PM
- Cloud cover
- 75%
- 6th clearest
- Wind
- 5 km/h
- 6th windiest
- Solar energy
- 5.47 kWh/m²
- Travel score
- 2.7
- out of 10
Temperature in October
Day-to-day highs hold fairly steady near 32°C through the month.
A typical October day in Porto Velho reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, October runs about 1°C cooler than September and about 1°C warmer than 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) | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 |
| 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 | 33 | 24 |
| 2 | 32 | 24 |
| 3 | 32 | 24 |
| 4 | 32 | 24 |
| 5 | 32 | 24 |
| 6 | 32 | 24 |
| 7 | 32 | 24 |
| 8 | 32 | 24 |
| 9 | 32 | 24 |
| 10 | 32 | 24 |
| 11 | 32 | 24 |
| 12 | 32 | 24 |
| 13 | 32 | 24 |
| 14 | 32 | 24 |
| 15 | 32 | 24 |
| 16 | 32 | 24 |
| 17 | 32 | 24 |
| 18 | 32 | 24 |
| 19 | 32 | 24 |
| 20 | 32 | 24 |
| 21 | 32 | 24 |
| 22 | 32 | 24 |
| 23 | 32 | 24 |
| 24 | 32 | 24 |
| 25 | 32 | 24 |
| 26 | 32 | 24 |
| 27 | 31 | 24 |
| 28 | 31 | 24 |
| 29 | 31 | 24 |
| 30 | 31 | 24 |
| 31 | 31 | 24 |
How October really feels in Porto Velho
Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Porto Velho weather by month
How October compares with the rest of the year at a glance. October is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 24° | 303 | 28.6 | 12.5 | 2.8 |
| Feb | 30° / 24° | 314 | 26.7 | 12.3 | 2.7 |
| Mar | 30° / 24° | 328 | 29.5 | 12.1 | 2.7 |
| Apr | 30° / 24° | 228 | 26.4 | 11.8 | 2.9 |
| May | 30° / 23° | 133 | 21.5 | 11.6 | 3.6 |
| Jun | 31° / 23° | 44 | 9.5 | 11.5 | 4.9 |
| Jul | 31° / 22° | 22 | 4.7 | 11.5 | 5.1 |
| Aug | 33° / 23° | 42 | 7.6 | 11.7 | 3.9 |
| Sep | 33° / 24° | 103 | 16.7 | 11.9 | 3.1 |
| Oct | 32° / 24° | 178 | 23.3 | 12.2 | 2.7 |
| Nov | 31° / 24° | 246 | 26.3 | 12.4 | 2.7 |
| Dec | 30° / 24° | 298 | 28.7 | 12.5 | 2.7 |
Cloud cover in October
The sky is clear or mostly clear about 9% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 75%. 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 (%) | 37 | 36 | 35 | 35 | 33 | 33 | 31 | 31 | 30 | 29 | 28 | 28 | 26 | 25 | 24 | 23 | 23 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 |
| Cloudier (%) | 63 | 64 | 65 | 65 | 67 | 67 | 69 | 69 | 70 | 71 | 72 | 72 | 74 | 75 | 76 | 77 | 77 | 79 | 79 | 79 | 80 | 80 | 80 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 83 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 37 | 63 |
| 2 | 36 | 64 |
| 3 | 35 | 65 |
| 4 | 35 | 65 |
| 5 | 33 | 67 |
| 6 | 33 | 67 |
| 7 | 31 | 69 |
| 8 | 31 | 69 |
| 9 | 30 | 70 |
| 10 | 29 | 71 |
| 11 | 28 | 72 |
| 12 | 28 | 72 |
| 13 | 26 | 74 |
| 14 | 25 | 75 |
| 15 | 24 | 76 |
| 16 | 23 | 77 |
| 17 | 23 | 77 |
| 18 | 21 | 79 |
| 19 | 21 | 79 |
| 20 | 21 | 79 |
| 21 | 20 | 80 |
| 22 | 20 | 80 |
| 23 | 20 | 80 |
| 24 | 19 | 81 |
| 25 | 18 | 82 |
| 26 | 18 | 82 |
| 27 | 18 | 82 |
| 28 | 18 | 82 |
| 29 | 18 | 82 |
| 30 | 18 | 82 |
| 31 | 17 | 83 |
Chance of precipitation in October
Porto Velho gets around 178 mm of rain over 23.3 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 75% and peaks near 84% 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 (%) | 67 | 67 | 68 | 68 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 73 | 74 | 74 | 75 | 76 | 77 | 78 | 79 | 79 | 80 | 81 | 82 | 83 | 83 | 83 | 84 | 84 |
| Rain chance (%) | |
|---|---|
| 1 | 67 |
| 2 | 67 |
| 3 | 68 |
| 4 | 68 |
| 5 | 69 |
| 6 | 69 |
| 7 | 70 |
| 8 | 70 |
| 9 | 70 |
| 10 | 70 |
| 11 | 70 |
| 12 | 71 |
| 13 | 71 |
| 14 | 72 |
| 15 | 73 |
| 16 | 74 |
| 17 | 74 |
| 18 | 75 |
| 19 | 76 |
| 20 | 77 |
| 21 | 78 |
| 22 | 79 |
| 23 | 79 |
| 24 | 80 |
| 25 | 81 |
| 26 | 82 |
| 27 | 83 |
| 28 | 83 |
| 29 | 83 |
| 30 | 84 |
| 31 | 84 |
Humidity in October
Most of October feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the miserable band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 52 | 52 | 51 | 50 | 51 | 50 | 49 | 49 | 48 | 48 | 47 | 46 | 45 | 44 | 42 | 41 | 40 | 38 | 37 | 35 | 34 | 33 | 31 | 30 | 29 | 28 | 28 | 27 | 26 | 26 | 25 |
| Miserable (%) | 46 | 46 | 47 | 48 | 48 | 49 | 50 | 50 | 51 | 51 | 52 | 53 | 54 | 56 | 58 | 59 | 60 | 62 | 63 | 65 | 66 | 67 | 69 | 70 | 71 | 72 | 72 | 73 | 74 | 74 | 75 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 52 | 46 |
| 2 | 2 | 52 | 46 |
| 3 | 2 | 51 | 47 |
| 4 | 2 | 50 | 48 |
| 5 | 1 | 51 | 48 |
| 6 | 1 | 50 | 49 |
| 7 | 1 | 49 | 50 |
| 8 | 1 | 49 | 50 |
| 9 | 1 | 48 | 51 |
| 10 | 1 | 48 | 51 |
| 11 | 1 | 47 | 52 |
| 12 | 1 | 46 | 53 |
| 13 | 1 | 45 | 54 |
| 14 | 0 | 44 | 56 |
| 15 | 0 | 42 | 58 |
| 16 | 0 | 41 | 59 |
| 17 | 0 | 40 | 60 |
| 18 | 0 | 38 | 62 |
| 19 | 0 | 37 | 63 |
| 20 | 0 | 35 | 65 |
| 21 | 0 | 34 | 66 |
| 22 | 0 | 33 | 67 |
| 23 | 0 | 31 | 69 |
| 24 | 0 | 30 | 70 |
| 25 | 0 | 29 | 71 |
| 26 | 0 | 28 | 72 |
| 27 | 0 | 28 | 72 |
| 28 | 0 | 27 | 73 |
| 29 | 0 | 26 | 74 |
| 30 | 0 | 26 | 74 |
| 31 | 0 | 25 | 75 |
Wind in October
Winds average 5 km/h in October.
Across October, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in October
Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over October. Sunrise moves from 6:02 AM to 5:50 AM, and sunset from 6:07 PM to 6:08 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) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunrise (AM) | 6:02 | 6:02 | 6:01 | 6:01 | 6:00 | 6:00 | 5:59 | 5:59 | 5:58 | 5:57 | 5:57 | 5:57 | 5:56 | 5:56 | 5:55 | 5:55 | 5:54 | 5:54 | 5:54 | 5:53 | 5:53 | 5:52 | 5:52 | 5:52 | 5:51 | 5:51 | 5:51 | 5:51 | 5:50 | 5:50 | 5:50 |
| Sunset (PM) | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 6:02 | 6:07 |
| 2 | 12.1 | 6:02 | 6:07 |
| 3 | 12.1 | 6:01 | 6:07 |
| 4 | 12.1 | 6:01 | 6:07 |
| 5 | 12.1 | 6:00 | 6:07 |
| 6 | 12.1 | 6:00 | 6:07 |
| 7 | 12.1 | 5:59 | 6:07 |
| 8 | 12.1 | 5:59 | 6:07 |
| 9 | 12.1 | 5:58 | 6:06 |
| 10 | 12.1 | 5:57 | 6:06 |
| 11 | 12.2 | 5:57 | 6:06 |
| 12 | 12.2 | 5:57 | 6:06 |
| 13 | 12.2 | 5:56 | 6:06 |
| 14 | 12.2 | 5:56 | 6:06 |
| 15 | 12.2 | 5:55 | 6:07 |
| 16 | 12.2 | 5:55 | 6:07 |
| 17 | 12.2 | 5:54 | 6:07 |
| 18 | 12.2 | 5:54 | 6:07 |
| 19 | 12.2 | 5:54 | 6:07 |
| 20 | 12.2 | 5:53 | 6:07 |
| 21 | 12.2 | 5:53 | 6:07 |
| 22 | 12.2 | 5:52 | 6:07 |
| 23 | 12.3 | 5:52 | 6:07 |
| 24 | 12.3 | 5:52 | 6:07 |
| 25 | 12.3 | 5:51 | 6:07 |
| 26 | 12.3 | 5:51 | 6:08 |
| 27 | 12.3 | 5:51 | 6:08 |
| 28 | 12.3 | 5:51 | 6:08 |
| 29 | 12.3 | 5:50 | 6:08 |
| 30 | 12.3 | 5:50 | 6:08 |
| 31 | 12.3 | 5:50 | 6:08 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 5.47 kWh/m².
For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 5.52 kWh/m² in September across the year — October's 5.47 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 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 |
| 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 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.5 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.4 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Porto Velho
In October, Porto Velho sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Porto Velho's rainy season runs October–April, when most of the year's rain falls.
Is October a good time to visit Porto Velho?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a weaker month for outdoor sightseeing in Porto Velho.
What to pack for Porto Velho in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Porto Velho sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.
UV index in Porto Velho 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 Porto Velho peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 11 at about 4 (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) | 15 | 15 | 15 | 13 | 10 | 9 | 9 | 5 | 4 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 5 | High |
| Sep | 4 | Moderate |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Porto Velho 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 Porto Velho is worst in August — around 101 µg/m³ PM2.5 (unhealthy), about 9.5× the cleanest month (May, 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) | 13 | 13 | 15 | 12 | 11 | 12 | 34 | 101 | 100 | 36 | 20 | 15 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Unhealthy | Unhealthy | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 12 | Good |
| May | 11 | Good |
| Jun | 12 | Good |
| Jul | 34 | Moderate |
| Aug | 101 | Unhealthy |
| Sep | 100 | Unhealthy |
| Oct | 36 | Poor |
| Nov | 20 | Moderate |
| Dec | 15 | Moderate |
Where is Porto Velho?
Porto Velho sits at 8.8°S, 63.9°W, 90 m above sea level, in Brazil. The nearest listed city is Candeias do Jamari, 23 km away.
Topography around Porto Velho
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Porto Velho.
Within 3 km, the terrain around Porto Velho has only modest variations in elevation — a maximum elevation change of 47 m around an average of 76 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, significant variations in elevation — a maximum elevation change of 342 m.
The land around Porto Velho is covered by artificial surfaces (54%) and trees (23%) within 3 km, trees (54%) and grassland (29%) within 16 km, and trees (75%) and grassland (20%) 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 Porto Velho (-8.7619°, -63.9039°, elevation 90 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).