Keflavík

What is the climate like in Keflavík?

The best time to visit Keflavík is typically July, the year's most comfortable month (5.3/10). Keflavík is warmest in August, when daily highs average 54°F (12°C), and coolest in January, when lows fall to about 32°F (0°C). The wettest month is typically September and the driest is July; the year sees roughly 54 in (1368 mm) of precipitation.

• Best time to visitJuly — the year's comfort peak (5.3/10)
• Warmest monthAugust — average high 54°F (12°C)
• Coolest monthJanuary — average low 32°F (0°C)
• Wettest monthSeptember (5.6 in (142 mm))
• Driest monthJuly (3.1 in (79 mm))
• Annual precipitation54 in (1368 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKeflavik, 5 km away (1949-2026)