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Riachos, Portugal
Full City Profile
5,463
Population
646/sq mi density
138 ft
Elevation
42 meters
63°F
Avg Temperature
17°C
Riachos enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 50°F in January while summers reach 74°F in July. The area gets 315 sunny days per year. Annual precipitation totals 23.7 inches. The area receives 0.0 inches of snow annually.
Temperature
50°F Jan (10°C)
74°F Jul (23°C)
| Annual Average | 63.4°F |
| 17% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 315 days/yr |
Geography
| Elevation | 138 ft (42 m) |
| Area | 8.5 sq mi (21.9 km²) |
| Population Density | 646/sq mi |
| Coordinates | 39.4447°N, 8.5142°W |
| Timezone | Europe/Lisbon |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1531 | TAGUS RIVER, LISBON | Earthquake | — | 30,000 | 97 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 4.1 in | Coldest |
| February | 53°F (12°C) | 3.3 in | |
| March | 56°F (13°C) | 2.2 in | |
| April | 58°F (15°C) | 2.5 in | |
| May | 63°F (17°C) | 2.3 in | |
| June | 68°F (20°C) | 0.9 in | |
| July | 74°F (23°C) | 0.2 in | Warmest, Driest |
| August | 73°F (23°C) | 0.3 in | |
| September | 70°F (21°C) | 1.2 in | |
| October | 64°F (18°C) | 3.2 in | |
| November | 57°F (14°C) | 3.7 in | |
| December | 52°F (11°C) | 4.2 in | Wettest |
Riachos has a seasonal temperature swing of 24°F / from 50°F in January to 74°F in July. Total annual precipitation is 28.2 inches, with December being the wettest month (4.2") and July the driest (0.2").