Climate almanac
Sussex
New Brunswick, Canada · 45.72°, -65.51°
What is the climate like in Sussex?
The best time to visit Sussex is typically August, the year's most comfortable month (6.4/10). Sussex is warmest in July, when daily highs average 76°F (24°C), and coolest in January, when lows fall to about 12°F (-11°C). The wettest month is typically November and the driest is September; the year sees roughly 48 in (1220 mm) of precipitation.
- Best time to visitAugust — the year's comfort peak (6.4/10)
- Warmest monthJuly — average high 76°F (24°C)
- Coolest monthJanuary — average low 12°F (-11°C)
- Wettest monthNovember (4.8 in (121 mm))
- Driest monthSeptember (3.2 in (81 mm))
- Annual precipitation48 in (1220 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMechanic Settlement, 26 km away (2006-2026)