Rio Tinto weather in October
In October, Rio Tinto sees average daytime highs of 20°C and overnight lows near 13°C, with 166 mm of rain across 12.7 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.
Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 34% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 36 min at the start of October to 10 h 12 min by month's end. Set against the rest of the year, October is Rio Tinto's 9th-clearest and 8th-windiest month. For the whole year in context, see Rio Tinto's year-round climate.
- Daytime high
- 20°
- 6th warmest
- Overnight low
- 13°
- 8th coldest
- Rainfall
- 166 mm
- 12.7 wet days
- Daylight
- 10 h 54 min
- 6:53 AM – 5:46 PM
- Cloud cover
- 55%
- 9th clearest
- Wind
- 11 km/h
- 8th windiest
- Solar energy
- 3.19 kWh/m²
- Travel score
- 6.0
- out of 10
Rio Tinto is city in Gondomar municipality, Portugal.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 21°C in the first days to 18°C by the end.
A typical October day in Rio Tinto reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°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) | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 |
| Avg low (°C) | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 15 |
| 2 | 22 | 14 |
| 3 | 22 | 14 |
| 4 | 21 | 14 |
| 5 | 21 | 14 |
| 6 | 21 | 14 |
| 7 | 21 | 14 |
| 8 | 21 | 14 |
| 9 | 21 | 14 |
| 10 | 21 | 14 |
| 11 | 20 | 14 |
| 12 | 20 | 14 |
| 13 | 20 | 14 |
| 14 | 20 | 14 |
| 15 | 20 | 13 |
| 16 | 20 | 13 |
| 17 | 20 | 13 |
| 18 | 20 | 13 |
| 19 | 19 | 13 |
| 20 | 19 | 13 |
| 21 | 19 | 13 |
| 22 | 19 | 13 |
| 23 | 19 | 13 |
| 24 | 19 | 13 |
| 25 | 19 | 13 |
| 26 | 19 | 13 |
| 27 | 18 | 13 |
| 28 | 18 | 12 |
| 29 | 18 | 12 |
| 30 | 18 | 12 |
| 31 | 18 | 12 |
Rio Tinto weather by month
How October compares with the rest of the year at a glance. October is the 6th-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 | 13° / 7° | 150 | 12.2 | 9.4 | 3.3 |
| Feb | 14° / 7° | 103 | 9.5 | 10.3 | 4.0 |
| Mar | 16° / 9° | 121 | 10.2 | 11.7 | 5.1 |
| Apr | 17° / 10° | 121 | 11.8 | 13.1 | 5.5 |
| May | 20° / 13° | 101 | 11.2 | 14.3 | 6.3 |
| Jun | 23° / 15° | 40 | 6.3 | 14.9 | 7.6 |
| Jul | 25° / 17° | 23 | 4 | 14.7 | 8.4 |
| Aug | 26° / 17° | 30 | 4.5 | 13.6 | 8.2 |
| Sep | 23° / 16° | 64 | 6.6 | 12.3 | 7.7 |
| Oct | 20° / 13° | 166 | 12.7 | 10.9 | 6.0 |
| Nov | 16° / 10° | 163 | 12.9 | 9.7 | 4.5 |
| Dec | 13° / 8° | 167 | 12.4 | 9.1 | 3.6 |
Cloud cover in October
The sky is clear or mostly clear about 34% 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 50%. 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 | 59 | 58 | 58 | 57 | 56 | 56 | 55 | 54 | 53 | 53 | 53 | 52 | 51 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 45 | 44 | 43 | 42 | 42 | 40 | 39 | 39 | 39 |
| Cloudier (%) | 41 | 42 | 41 | 42 | 42 | 43 | 44 | 44 | 45 | 46 | 47 | 47 | 47 | 48 | 49 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 55 | 56 | 57 | 58 | 58 | 60 | 61 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 59 | 41 |
| 2 | 58 | 42 |
| 3 | 59 | 41 |
| 4 | 58 | 42 |
| 5 | 58 | 42 |
| 6 | 57 | 43 |
| 7 | 56 | 44 |
| 8 | 56 | 44 |
| 9 | 55 | 45 |
| 10 | 54 | 46 |
| 11 | 53 | 47 |
| 12 | 53 | 47 |
| 13 | 53 | 47 |
| 14 | 52 | 48 |
| 15 | 51 | 49 |
| 16 | 51 | 49 |
| 17 | 50 | 50 |
| 18 | 49 | 51 |
| 19 | 48 | 52 |
| 20 | 47 | 53 |
| 21 | 46 | 54 |
| 22 | 45 | 55 |
| 23 | 45 | 55 |
| 24 | 44 | 56 |
| 25 | 43 | 57 |
| 26 | 42 | 58 |
| 27 | 42 | 58 |
| 28 | 40 | 60 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
| 31 | 39 | 61 |
Chance of precipitation in October
Rio Tinto gets around 166 mm of rain over 12.7 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 41% and peaks near 47% 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 (%) | 29 | 30 | 31 | 31 | 32 | 33 | 34 | 36 | 37 | 38 | 39 | 40 | 42 | 43 | 44 | 45 | 45 | 46 | 46 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 | 47 |
| Rain chance (%) | |
|---|---|
| 1 | 29 |
| 2 | 30 |
| 3 | 31 |
| 4 | 31 |
| 5 | 32 |
| 6 | 33 |
| 7 | 34 |
| 8 | 36 |
| 9 | 37 |
| 10 | 38 |
| 11 | 39 |
| 12 | 40 |
| 13 | 42 |
| 14 | 43 |
| 15 | 44 |
| 16 | 45 |
| 17 | 45 |
| 18 | 46 |
| 19 | 46 |
| 20 | 47 |
| 21 | 47 |
| 22 | 47 |
| 23 | 47 |
| 24 | 47 |
| 25 | 47 |
| 26 | 47 |
| 27 | 47 |
| 28 | 47 |
| 29 | 47 |
| 30 | 47 |
| 31 | 47 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 48% 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 | 34 | 36 | 37 | 38 | 40 | 41 | 42 | 44 | 45 | 46 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 50 | 51 | 52 | 52 | 52 | 53 | 55 | 55 | 57 | 58 | 60 | 61 | 63 |
| Comfortable (%) | 45 | 44 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 34 | 34 | 33 | 32 | 31 | 30 | 29 |
| Humid (%) | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 |
| Muggy (%) | 0 | 0 | 0 | 0 | 1 | 1 | 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 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 33 | 45 | 22 | 0 |
| 2 | 34 | 44 | 22 | 0 |
| 3 | 36 | 43 | 21 | 0 |
| 4 | 37 | 42 | 20 | 0 |
| 5 | 38 | 41 | 20 | 1 |
| 6 | 40 | 41 | 19 | 1 |
| 7 | 41 | 40 | 18 | 1 |
| 8 | 42 | 40 | 17 | 1 |
| 9 | 44 | 39 | 17 | 1 |
| 10 | 45 | 38 | 16 | 1 |
| 11 | 46 | 38 | 16 | 1 |
| 12 | 47 | 37 | 15 | 1 |
| 13 | 48 | 37 | 15 | 1 |
| 14 | 48 | 37 | 14 | 1 |
| 15 | 49 | 37 | 14 | 1 |
| 16 | 49 | 37 | 14 | 0 |
| 17 | 50 | 37 | 13 | 0 |
| 18 | 50 | 37 | 13 | 0 |
| 19 | 50 | 37 | 13 | 0 |
| 20 | 51 | 37 | 12 | 0 |
| 21 | 52 | 36 | 12 | 0 |
| 22 | 52 | 36 | 12 | 0 |
| 23 | 52 | 36 | 12 | 0 |
| 24 | 53 | 35 | 12 | 0 |
| 25 | 55 | 34 | 11 | 0 |
| 26 | 55 | 34 | 11 | 0 |
| 27 | 57 | 33 | 10 | 0 |
| 28 | 58 | 32 | 10 | 0 |
| 29 | 60 | 31 | 9 | 0 |
| 30 | 61 | 30 | 9 | 0 |
| 31 | 63 | 29 | 8 | 0 |
Wind in October
Winds average 11 km/h in October.
Across October, daily wind ranges from about 10 km/h on the calmest days to 11 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in October
Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 84 minutes over October. Sunrise moves from 6:36 AM to 7:11 AM, and sunset from 6:10 PM to 5:25 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) | 11.6 | 11.5 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 10.9 | 10.9 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.5 | 10.5 | 10.4 | 10.4 | 10.4 | 10.3 | 10.3 | 10.2 |
| Sunrise (AM) | 6:36 | 6:37 | 6:38 | 6:40 | 6:41 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 | 6:50 | 6:51 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:58 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:11 |
| Sunset (PM) | 6:10 | 6:08 | 6:07 | 6:05 | 6:03 | 6:02 | 6:00 | 5:58 | 5:57 | 5:55 | 5:53 | 5:52 | 5:50 | 5:49 | 5:47 | 5:46 | 5:44 | 5:43 | 5:41 | 5:40 | 5:38 | 5:37 | 5:35 | 5:34 | 5:33 | 5:31 | 5:30 | 5:29 | 5:27 | 5:26 | 5:25 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:36 | 6:10 |
| 2 | 11.5 | 6:37 | 6:08 |
| 3 | 11.5 | 6:38 | 6:07 |
| 4 | 11.4 | 6:40 | 6:05 |
| 5 | 11.4 | 6:41 | 6:03 |
| 6 | 11.3 | 6:42 | 6:02 |
| 7 | 11.3 | 6:43 | 6:00 |
| 8 | 11.2 | 6:44 | 5:58 |
| 9 | 11.2 | 6:45 | 5:57 |
| 10 | 11.1 | 6:46 | 5:55 |
| 11 | 11.1 | 6:47 | 5:53 |
| 12 | 11.1 | 6:48 | 5:52 |
| 13 | 11.0 | 6:50 | 5:50 |
| 14 | 11.0 | 6:51 | 5:49 |
| 15 | 10.9 | 6:52 | 5:47 |
| 16 | 10.9 | 6:53 | 5:46 |
| 17 | 10.8 | 6:54 | 5:44 |
| 18 | 10.8 | 6:55 | 5:43 |
| 19 | 10.7 | 6:56 | 5:41 |
| 20 | 10.7 | 6:58 | 5:40 |
| 21 | 10.7 | 6:59 | 5:38 |
| 22 | 10.6 | 7:00 | 5:37 |
| 23 | 10.6 | 7:01 | 5:35 |
| 24 | 10.5 | 7:02 | 5:34 |
| 25 | 10.5 | 7:03 | 5:33 |
| 26 | 10.4 | 7:05 | 5:31 |
| 27 | 10.4 | 7:06 | 5:30 |
| 28 | 10.4 | 7:07 | 5:29 |
| 29 | 10.3 | 7:08 | 5:27 |
| 30 | 10.3 | 7:09 | 5:26 |
| 31 | 10.2 | 7:11 | 5:25 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 3.19 kWh/m².
For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 7.29 kWh/m² in July across the year — October's 3.19 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) | 4.0 | 4.0 | 3.9 | 3.9 | 3.8 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.4 | 3.4 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.0 | 3.0 | 2.9 | 2.9 | 2.8 | 2.8 | 2.7 | 2.7 | 2.6 | 2.6 | 2.6 | 2.5 | 2.5 | 2.5 |
| Level | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.0 | Bright |
| 2 | 4.0 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 3.9 | Moderate |
| 5 | 3.8 | Moderate |
| 6 | 3.8 | Moderate |
| 7 | 3.7 | Moderate |
| 8 | 3.6 | Moderate |
| 9 | 3.6 | Moderate |
| 10 | 3.5 | Moderate |
| 11 | 3.4 | Moderate |
| 12 | 3.4 | Moderate |
| 13 | 3.3 | Moderate |
| 14 | 3.2 | Moderate |
| 15 | 3.2 | Moderate |
| 16 | 3.1 | Moderate |
| 17 | 3.1 | Moderate |
| 18 | 3.0 | Moderate |
| 19 | 3.0 | Moderate |
| 20 | 2.9 | Moderate |
| 21 | 2.9 | Moderate |
| 22 | 2.8 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.7 | Moderate |
| 25 | 2.7 | Moderate |
| 26 | 2.6 | Moderate |
| 27 | 2.6 | Moderate |
| 28 | 2.6 | Moderate |
| 29 | 2.5 | Moderate |
| 30 | 2.5 | Moderate |
| 31 | 2.5 | Moderate |
Hazard calendar for Rio Tinto
In October, Rio Tinto sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Rio Tinto's rainy season runs October–May, when most of the year's rain falls.
Is October a good time to visit Rio Tinto?
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 Tinto for sightseeing.
What to pack for Rio Tinto in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Rio Tinto sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear. About 13 days see rain.
Sea temperature near Rio Tinto in October
The nearest coast averages about 17°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 17°C and coldest in February near 13°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 14 | 14 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 17 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 16 | Cool |
| Dec | 14 | Bracing |
UV index in Rio Tinto in October
Clear-sky midday UV in October peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rio Tinto peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 9 | 9 | 8 | 5 | 5 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Rio Tinto 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 Tinto is worst in August — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (November, 7 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) | 10 | 11 | 14 | 12 | 8 | 9 | 9 | 25 | 24 | 18 | 7 | 7 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 12 | Moderate |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 25 | Moderate |
| Sep | 24 | Moderate |
| Oct | 18 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Rio Tinto?
Rio Tinto sits at 41.2°N, 8.6°W, 80 m above sea level, in Portugal. The nearest listed city is Baguim do Monte, 2.0 km away.
Topography around Rio Tinto
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rio Tinto.
Within 3 km, the terrain around Rio Tinto has only modest variations in elevation — a maximum elevation change of 190 m around an average of 111 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 512 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,466 m.
The land around Rio Tinto is covered by artificial surfaces (55%) and trees (26%) within 3 km, trees (42%) and artificial surfaces (27%) within 16 km, and trees (42%), grassland (25%) and water (24%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- 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 Tinto (41.1787°, -8.5595°, elevation 80 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).