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Weather & Climate in Mount Stewart, PE
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mount Stewart has a cool climate with an average annual temperature of 42°F (6°C). Winters average 19°F in January while summers reach 65°F in July. The area gets 251 sunny days per year, above the national average. Annual precipitation totals 46.9 inches (wetter than the 38-inch national average). The area receives 16.3 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 33 feet.
Temperature
19°F Jan (-7°C)
65°F Jul (18°C)
| Annual Average | 41.9°F |
| 22% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 385/sq mi |
| Coordinates | 46.3668°N, 62.8654°W |
| Timezone | America/Halifax |
Precipitation & Snow
Air Quality
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2010 | Earl | Category 1 | 75 mph | 100 km |
| 2009 | Bill | Category 1 | 75 mph | 221 km |
| 2003 | Juan | Category 2 | 98 mph | 83 km |
| 2002 | Gustav | Category 1 | 92 mph | 199 km |
| 1996 | Hortense | Category 1 | 81 mph | 143 km |
| 1990 | Bertha | Category 1 | 81 mph | 250 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 4.2 in | |
| February | 18°F (-8°C) | 3.5 in | Coldest |
| March | 26°F (-3°C) | 3.5 in | |
| April | 36°F (2°C) | 3.4 in | |
| May | 48°F (9°C) | 3.7 in | |
| June | 57°F (14°C) | 3.7 in | |
| July | 65°F (18°C) | 3.2 in | Driest |
| August | 65°F (18°C) | 3.5 in | Warmest |
| September | 57°F (14°C) | 4.1 in | |
| October | 48°F (9°C) | 4.4 in | |
| November | 39°F (4°C) | 4.7 in | |
| December | 27°F (-3°C) | 5.1 in | Wettest |
Mount Stewart has a seasonal temperature swing of 47°F / from 18°F in February to 65°F in August. Total annual precipitation is 46.9 inches, with December being the wettest month (5.1") and July the driest (3.2").