Selfoss

What is the climate like in Selfoss?

The best time to visit Selfoss is typically July, the year's most comfortable month (5.2/10). Selfoss is warmest in July, when daily highs average 57°F (14°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically September and the driest is July; the year sees roughly 61 in (1556 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (5.2/10)
• Warmest monthJuly — average high 57°F (14°C)
• Coolest monthJanuary — average low 26°F (-3°C)
• Wettest monthSeptember (6.5 in (165 mm))
• Driest monthJuly (3.4 in (85 mm))
• Annual precipitation61 in (1556 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromReykjavik, 49 km away (1949-2026)