Weather in Oeiras on 31 July 2026
Preliminary outlook for 31 July 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +25°C and nighttime around +19°C, average precipitation 0 mm, wind around 5 m/s, humidity around 68%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+23°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 228° ↙ (SW) |
Sunrise
06:38
Duration
14 h 11 min
Sunset
20:49
Moonrise
13:45
Moonset
Does not set today
Moon phase
Waxing Crescent
Illumination
36%
+22°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +19°C
Sea temperature: +20°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +23°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 313° ← (WNW) |
Sunrise
06:38
Duration
14 h 10 min
Sunset
20:48
Moonrise
02:03
Moonset
17:56
Moon phase
Waning Crescent
Illumination
26%
+21°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 7 — 8 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 338° ↖ (NNW) |
Sunrise
06:37
Duration
14 h 12 min
Sunset
20:49
Moonrise
20:15
Moonset
04:21
Moon phase
Waxing Gibbous
Illumination
89%
+24°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 323° ↖ (NW) |
Sunrise
06:37
Duration
14 h 12 min
Sunset
20:49
Moonrise
09:15
Moonset
22:46
Moon phase
Waxing Crescent
Illumination
12%
+19°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 8 — 9 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 16 m/s | Wind direction (avg.) | 341° ↖ (NNW) |
Sunrise
06:38
Duration
14 h 11 min
Sunset
20:49
Moonrise
00:43
Moonset
14:25
Moon phase
Last Quarter
Illumination
51%
+21°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 257° ↖ (NNW) |
Sunrise
06:38
Duration
14 h 10 min
Sunset
20:48
Moonrise
18:17
Moonset
03:00
Moon phase
Waxing Gibbous
Illumination
72%
Weather in Oeiras on 31 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+26°C
|
+21°C
|
+23°C | 14 h | 6 | 56% | 3 — 4 m/s |
| 2024 |
+25°C
|
+19°C
|
+22°C | 14 h | 6 | 78% | 4 — 6 m/s |
| 2023 |
+26°C
|
+18°C
|
+21°C | 14 h | 6 | 71% | 7 — 8 m/s |
| 2022 |
+27°C
|
+20°C
|
+24°C | 14 h | 6 | 64% | 3 — 5 m/s |
| 2021 |
+21°C
|
+17°C
|
+19°C | 12 h | 5 | 71% | 8 — 9 m/s |
| 2020 |
+26°C
|
+18°C
|
+21°C | 14 h | 6 | 69% | 5 — 7 m/s |