Weather & Climate in St. Peters, PE
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St. Peters has a cool climate with an average annual temperature of 42°F (5°C). Winters average 19°F in January while summers reach 65°F in July. Annual precipitation totals 48.1 inches (wetter than the 38-inch national average). The area receives 16.4 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 43 feet.
Temperature
19°F Jan (-7°C)
65°F Jul (18°C)
| Annual Average | 41.8°F |
| 23% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 43 ft (13 m) |
| Area | 70.8 sq mi (183.4 km²) |
| Population Density | 10/sq mi |
| Coordinates | 46.4191°N, 62.5818°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 | 113 km |
| 2009 | Bill | Category 1 | 75 mph | 210 km |
| 2003 | Juan | Category 2 | 98 mph | 105 km |
| 2002 | Gustav | Category 1 | 92 mph | 186 km |
| 1996 | Hortense | Category 1 | 81 mph | 132 km |
| 1990 | Bertha | Category 1 | 81 mph | 236 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 4.3 in | |
| February | 17°F (-8°C) | 3.5 in | Coldest |
| March | 26°F (-4°C) | 3.6 in | |
| April | 36°F (2°C) | 3.6 in | |
| May | 47°F (8°C) | 3.6 in | |
| June | 57°F (14°C) | 3.6 in | |
| July | 65°F (18°C) | 3.2 in | Driest |
| August | 65°F (18°C) | 3.6 in | Warmest |
| September | 57°F (14°C) | 4.4 in | |
| October | 48°F (9°C) | 4.6 in | |
| November | 39°F (4°C) | 5.0 in | |
| December | 27°F (-3°C) | 5.0 in | Wettest |
St. Peters has a seasonal temperature swing of 48°F / from 17°F in February to 65°F in August. Total annual precipitation is 48.1 inches, with December being the wettest month (5.0") and July the driest (3.2").