Oeiras weather in October
In October, Oeiras sees average daytime highs of 20°C and overnight lows near 16°C, with 77 mm of rain across 8.9 wet days and about 11 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 41% of the time in October, and the air most often feels comfortable.
Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Oeiras's 7th-clearest and 12th-windiest month. For the whole year in context, see Oeiras's year-round climate.
- Daytime high
- 20°
- 5th warmest
- Overnight low
- 16°
- 8th coldest
- Rainfall
- 77 mm
- 8.9 wet days
- Daylight
- 11 hours
- 6:53 AM – 5:51 PM
- Cloud cover
- 50%
- 7th clearest
- Wind
- 16 km/h
- 12th windiest
- Solar energy
- 3.62 kWh/m²
- Travel score
- 6.7
- out of 10
Temperature in October
Highs ease over the month, from about 22°C in the first days to 19°C by the end.
A typical October day in Oeiras reaches about 20°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°C. Set against its neighbours, October runs about 3°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 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg low (°C) | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 22 | 17 |
| 2 | 22 | 17 |
| 3 | 22 | 17 |
| 4 | 22 | 17 |
| 5 | 22 | 16 |
| 6 | 22 | 16 |
| 7 | 21 | 16 |
| 8 | 21 | 16 |
| 9 | 21 | 16 |
| 10 | 21 | 16 |
| 11 | 21 | 16 |
| 12 | 21 | 16 |
| 13 | 21 | 16 |
| 14 | 21 | 16 |
| 15 | 20 | 16 |
| 16 | 20 | 16 |
| 17 | 20 | 16 |
| 18 | 20 | 16 |
| 19 | 20 | 16 |
| 20 | 20 | 16 |
| 21 | 20 | 15 |
| 22 | 20 | 15 |
| 23 | 20 | 15 |
| 24 | 20 | 15 |
| 25 | 19 | 15 |
| 26 | 19 | 15 |
| 27 | 19 | 15 |
| 28 | 19 | 15 |
| 29 | 19 | 15 |
| 30 | 19 | 15 |
| 31 | 19 | 15 |
Oeiras weather by month
How October compares with the rest of the year at a glance. October is the 5th-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 | 14° / 10° | 68 | 8.9 | 9.6 | 4.2 |
| Feb | 15° / 10° | 51 | 7.5 | 10.5 | 4.6 |
| Mar | 16° / 11° | 53 | 8.1 | 11.7 | 5.5 |
| Apr | 17° / 12° | 51 | 8.4 | 13 | 6.0 |
| May | 19° / 14° | 42 | 5.9 | 14.1 | 7.1 |
| Jun | 22° / 16° | 10 | 2.1 | 14.7 | 8.4 |
| Jul | 24° / 18° | 2 | 0.6 | 14.4 | 9.3 |
| Aug | 24° / 18° | 4 | 1 | 13.5 | 9.2 |
| Sep | 23° / 17° | 29 | 4.1 | 12.3 | 8.3 |
| Oct | 20° / 16° | 77 | 8.9 | 11 | 6.7 |
| Nov | 17° / 13° | 82 | 10.2 | 9.9 | 5.5 |
| Dec | 15° / 11° | 79 | 9.4 | 9.3 | 4.5 |
Cloud cover in October
The sky is clear or mostly clear about 41% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 41%. 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 (%) | 70 | 70 | 68 | 68 | 68 | 68 | 66 | 66 | 66 | 64 | 64 | 63 | 62 | 62 | 60 | 59 | 58 | 57 | 57 | 56 | 54 | 53 | 53 | 52 | 52 | 50 | 50 | 49 | 49 | 48 | 49 |
| Cloudier (%) | 30 | 30 | 32 | 32 | 32 | 32 | 34 | 34 | 34 | 36 | 36 | 37 | 38 | 38 | 40 | 41 | 42 | 43 | 43 | 44 | 46 | 47 | 47 | 48 | 48 | 50 | 50 | 51 | 51 | 52 | 51 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 68 | 32 |
| 4 | 68 | 32 |
| 5 | 68 | 32 |
| 6 | 68 | 32 |
| 7 | 66 | 34 |
| 8 | 66 | 34 |
| 9 | 66 | 34 |
| 10 | 64 | 36 |
| 11 | 64 | 36 |
| 12 | 63 | 37 |
| 13 | 62 | 38 |
| 14 | 62 | 38 |
| 15 | 60 | 40 |
| 16 | 59 | 41 |
| 17 | 58 | 42 |
| 18 | 57 | 43 |
| 19 | 57 | 43 |
| 20 | 56 | 44 |
| 21 | 54 | 46 |
| 22 | 53 | 47 |
| 23 | 53 | 47 |
| 24 | 52 | 48 |
| 25 | 52 | 48 |
| 26 | 50 | 50 |
| 27 | 50 | 50 |
| 28 | 49 | 51 |
| 29 | 49 | 51 |
| 30 | 48 | 52 |
| 31 | 49 | 51 |
Chance of precipitation in October
Oeiras gets around 77 mm of rain over 8.9 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 29% and peaks near 35% 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 (%) | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Rain chance (%) | |
|---|---|
| 1 | 19 |
| 2 | 19 |
| 3 | 20 |
| 4 | 20 |
| 5 | 21 |
| 6 | 22 |
| 7 | 22 |
| 8 | 23 |
| 9 | 24 |
| 10 | 26 |
| 11 | 27 |
| 12 | 28 |
| 13 | 29 |
| 14 | 30 |
| 15 | 31 |
| 16 | 32 |
| 17 | 32 |
| 18 | 33 |
| 19 | 33 |
| 20 | 34 |
| 21 | 34 |
| 22 | 34 |
| 23 | 35 |
| 24 | 35 |
| 25 | 35 |
| 26 | 35 |
| 27 | 35 |
| 28 | 35 |
| 29 | 35 |
| 30 | 35 |
| 31 | 35 |
Humidity in October
Most of October feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the comfortable band about 39% 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 (%) | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 39 | 41 | 43 | 45 |
| Comfortable (%) | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 40 | 39 | 39 | 38 | 38 | 37 | 36 | 35 | 35 | 34 | 34 | 33 |
| Humid (%) | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 24 | 23 | 22 | 21 |
| Muggy (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 20 | 43 | 32 | 4 |
| 2 | 21 | 43 | 31 | 4 |
| 3 | 22 | 43 | 31 | 4 |
| 4 | 23 | 42 | 30 | 4 |
| 5 | 24 | 42 | 29 | 4 |
| 6 | 25 | 41 | 29 | 4 |
| 7 | 26 | 41 | 28 | 4 |
| 8 | 27 | 41 | 28 | 4 |
| 9 | 28 | 40 | 28 | 4 |
| 10 | 29 | 40 | 28 | 4 |
| 11 | 29 | 40 | 28 | 4 |
| 12 | 30 | 39 | 28 | 3 |
| 13 | 30 | 39 | 28 | 3 |
| 14 | 30 | 39 | 28 | 3 |
| 15 | 30 | 39 | 28 | 3 |
| 16 | 30 | 39 | 28 | 3 |
| 17 | 30 | 39 | 28 | 3 |
| 18 | 30 | 40 | 28 | 3 |
| 19 | 30 | 40 | 27 | 2 |
| 20 | 31 | 40 | 27 | 2 |
| 21 | 31 | 39 | 27 | 2 |
| 22 | 32 | 39 | 27 | 2 |
| 23 | 33 | 38 | 26 | 2 |
| 24 | 34 | 38 | 26 | 2 |
| 25 | 35 | 37 | 26 | 2 |
| 26 | 36 | 36 | 26 | 2 |
| 27 | 38 | 35 | 25 | 2 |
| 28 | 39 | 35 | 24 | 2 |
| 29 | 41 | 34 | 23 | 1 |
| 30 | 43 | 34 | 22 | 1 |
| 31 | 45 | 33 | 21 | 1 |
Wind in October
Winds average 16 km/h in October, the calmest month.
Across October, daily wind ranges from about 15 km/h on the calmest days to 16 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) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| 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 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in October
Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 72 minutes over October. Sunrise moves from 6:38 AM to 7:09 AM, and sunset from 6:14 PM to 5:32 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 | 11.6 | 11.5 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 |
| Sunrise (AM) | 6:38 | 6:39 | 6:40 | 6:41 | 6:42 | 6:43 | 6:44 | 6:45 | 6:46 | 6:47 | 6:48 | 6:49 | 6:50 | 6:51 | 6:52 | 6:53 | 6:54 | 6:55 | 6:56 | 6:57 | 6:58 | 6:59 | 7:00 | 7:02 | 7:03 | 7:04 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 |
| Sunset (PM) | 6:14 | 6:13 | 6:11 | 6:10 | 6:08 | 6:06 | 6:05 | 6:03 | 6:02 | 6:00 | 5:59 | 5:57 | 5:56 | 5:54 | 5:53 | 5:51 | 5:50 | 5:49 | 5:47 | 5:46 | 5:45 | 5:43 | 5:42 | 5:41 | 5:39 | 5:38 | 5:37 | 5:36 | 5:35 | 5:34 | 5:32 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:38 | 6:14 |
| 2 | 11.6 | 6:39 | 6:13 |
| 3 | 11.5 | 6:40 | 6:11 |
| 4 | 11.5 | 6:41 | 6:10 |
| 5 | 11.4 | 6:42 | 6:08 |
| 6 | 11.4 | 6:43 | 6:06 |
| 7 | 11.3 | 6:44 | 6:05 |
| 8 | 11.3 | 6:45 | 6:03 |
| 9 | 11.3 | 6:46 | 6:02 |
| 10 | 11.2 | 6:47 | 6:00 |
| 11 | 11.2 | 6:48 | 5:59 |
| 12 | 11.1 | 6:49 | 5:57 |
| 13 | 11.1 | 6:50 | 5:56 |
| 14 | 11.1 | 6:51 | 5:54 |
| 15 | 11.0 | 6:52 | 5:53 |
| 16 | 11.0 | 6:53 | 5:51 |
| 17 | 10.9 | 6:54 | 5:50 |
| 18 | 10.9 | 6:55 | 5:49 |
| 19 | 10.9 | 6:56 | 5:47 |
| 20 | 10.8 | 6:57 | 5:46 |
| 21 | 10.8 | 6:58 | 5:45 |
| 22 | 10.7 | 6:59 | 5:43 |
| 23 | 10.7 | 7:00 | 5:42 |
| 24 | 10.7 | 7:02 | 5:41 |
| 25 | 10.6 | 7:03 | 5:39 |
| 26 | 10.6 | 7:04 | 5:38 |
| 27 | 10.5 | 7:05 | 5:37 |
| 28 | 10.5 | 7:06 | 5:36 |
| 29 | 10.5 | 7:07 | 5:35 |
| 30 | 10.4 | 7:08 | 5:34 |
| 31 | 10.4 | 7:09 | 5:32 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 3.62 kWh/m².
For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.59 kWh/m² in July across the year — October's 3.62 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) | 4.5 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.8 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.4 | 3.3 | 3.3 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | 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 | 4.5 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.1 | Bright |
| 8 | 4.1 | Bright |
| 9 | 4.0 | Bright |
| 10 | 4.0 | Moderate |
| 11 | 3.9 | Moderate |
| 12 | 3.8 | Moderate |
| 13 | 3.8 | Moderate |
| 14 | 3.7 | Moderate |
| 15 | 3.6 | Moderate |
| 16 | 3.6 | Moderate |
| 17 | 3.5 | Moderate |
| 18 | 3.5 | Moderate |
| 19 | 3.4 | Moderate |
| 20 | 3.3 | Moderate |
| 21 | 3.3 | Moderate |
| 22 | 3.2 | Moderate |
| 23 | 3.2 | Moderate |
| 24 | 3.1 | Moderate |
| 25 | 3.1 | Moderate |
| 26 | 3.1 | Moderate |
| 27 | 3.0 | Moderate |
| 28 | 3.0 | Moderate |
| 29 | 3.0 | Moderate |
| 30 | 2.9 | Moderate |
| 31 | 2.9 | Moderate |
Is October a good time to visit Oeiras?
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 Oeiras for sightseeing.
What to pack for Oeiras in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Oeiras sees daytime highs around 20°C and nights near 16°C. Worth packing: rain gear. About 9 days see rain.
Sea temperature near Oeiras in October
The nearest coast averages about 18°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 19°C and coldest in February near 15°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) | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 19 | 19 | 18 | 17 | 16 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 15 | Cool |
| May | 16 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 19 | Cool |
| Oct | 18 | Cool |
| Nov | 17 | Cool |
| Dec | 16 | Cool |
UV index in Oeiras 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 Oeiras peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 6 | 8 | 7 | 9 | 9 | 9 | 6 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Oeiras?
Oeiras sits at 38.7°N, 9.3°W, 36 m above sea level, in Portugal. The nearest listed city is Carcavelos, 1.0 km away.
Topography around Oeiras
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oeiras.
Within 3 km, the terrain around Oeiras has only modest variations in elevation — a maximum elevation change of 117 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 514 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.
The land around Oeiras is covered by water (38%) and artificial surfaces (34%) within 3 km, water (44%) and artificial surfaces (23%) within 16 km, and water (46%) and grassland (26%) 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 Oeiras (38.691°, -9.3109°, elevation 36 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).