Grimsby

What is the climate like in Grimsby?

The best time to visit Grimsby is typically June – September, with trip comfort peaking in September (7.3/10). Grimsby is warmest in July, when daily highs average 78°F (25°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically April and the driest is September; the year sees roughly 38 in (972 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in September (7.3/10)
• Warmest monthJuly — average high 78°F (25°C)
• Coolest monthJanuary — average low 25°F (-4°C)
• Wettest monthApril (4.1 in (104 mm))
• Driest monthSeptember (2.3 in (58 mm))
• Annual precipitation38 in (972 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGrimsby Mountain, 2 km away (2005-2024)