Lillestrøm

What is the climate like in Lillestrøm?

The best time to visit Lillestrøm is typically June, the year's most comfortable month (6.4/10). Lillestrøm is warmest in July, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically July and the driest is April; the year sees roughly 39 in (988 mm) of precipitation.

• Best time to visitJune — the year's comfort peak (6.4/10)
• Warmest monthJuly — average high 71°F (22°C)
• Coolest monthJanuary — average low 21°F (-6°C)
• Wettest monthJuly (4.5 in (115 mm))
• Driest monthApril (2.1 in (53 mm))
• Annual precipitation39 in (988 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromOslo Blindern, 18 km away (1937-2026)