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Weather & Climate in St. Lewis, NL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St. Lewis has a cool climate with an average annual temperature of 34°F (1°C). Winters average 9°F in January while summers reach 57°F in July. The area gets 268 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 37.8 inches. The area receives 18.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 59 feet.
Temperature
9°F Jan (-13°C)
57°F Jul (14°C)
| Annual Average | 34.0°F |
| 37% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 268 days/yr |
Geography
| Elevation | 59 ft (18 m) |
| Area | 3.9 sq mi (10.0 km²) |
| Population Density | 47/sq mi |
| Coordinates | 52.3689°N, 55.6846°W |
| Timezone | America/St_Johns |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1848 | FISHING SHIPS HARBOUR, NEWFOUNDLAND | Meteorological | — | — | 28 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 3.0 in | Coldest |
| February | 11°F (-11°C) | 3.2 in | |
| March | 20°F (-7°C) | 3.1 in | |
| April | 30°F (-1°C) | 2.4 in | Driest |
| May | 39°F (4°C) | 2.8 in | |
| June | 49°F (9°C) | 3.6 in | Wettest |
| July | 57°F (14°C) | 3.3 in | |
| August | 57°F (14°C) | 3.4 in | Warmest |
| September | 49°F (10°C) | 2.8 in | |
| October | 39°F (4°C) | 3.5 in | |
| November | 30°F (-1°C) | 3.4 in | |
| December | 18°F (-8°C) | 3.4 in |
St. Lewis has a seasonal temperature swing of 47°F / from 9°F in January to 57°F in August. Total annual precipitation is 37.8 inches, with June being the wettest month (3.6") and April the driest (2.4").