When to go · Keflavík
Keflavík, month by month
The best months for Keflavík: May, Jun, Jul, Aug, Sep.
Month by month
- JanuaryMixedOutside the best window (May–Sep). Across Iceland: 4–5 h of light, storms, ice caves and auroras; keep buffer days.3 °C (37 °F) / -3 °C (27 °F), 12 rain days37 °F (3 °C) / 27 °F (-3 °C), 12 rain daysCrowds: Low · 1 festival or holiday
- FebruaryMixedOutside the best window (May–Sep). Across Iceland: Longer days, still stormy; Þorrablót food and aurora nights.4 °C (39 °F) / -3 °C (27 °F), 11 rain days39 °F (4 °C) / 27 °F (-3 °C), 11 rain daysCrowds: Medium
- MarchGoodOutside the best window (May–Sep). Across Iceland: Balance of light and dark: auroras plus 11–13 h of day; Easter in late March 2027.6 °C (43 °F) / -1 °C (30 °F), 10 rain days43 °F (6 °C) / 30 °F (-1 °C), 10 rain daysCrowds: Medium
- AprilGoodOutside the best window (May–Sep). Across Iceland: Quiet shoulder month; snow lingers in the north; puffins arrive late in the month.9 °C (48 °F) / 1 °C (34 °F), 9 rain days48 °F (9 °C) / 34 °F (1 °C), 9 rain daysCrowds: Low
- MayGreatInside Keflavík's best window: May–Sep.13 °C (55 °F) / 4 °C (39 °F), 7 rain days55 °F (13 °C) / 39 °F (4 °C), 7 rain daysCrowds: Medium
- JuneGreatInside Keflavík's best window: May–Sep.15 °C (59 °F) / 7 °C (45 °F), 5 rain days59 °F (15 °C) / 45 °F (7 °C), 5 rain daysCrowds: High
- JulyGreatInside Keflavík's best window: May–Sep.16 °C (61 °F) / 9 °C (48 °F), 4 rain days61 °F (16 °C) / 48 °F (9 °C), 4 rain daysCrowds: High
- AugustGreatInside Keflavík's best window: May–Sep.16 °C (61 °F) / 9 °C (48 °F), 5 rain days61 °F (16 °C) / 48 °F (9 °C), 5 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Keflavík's best window: May–Sep.13 °C (55 °F) / 6 °C (43 °F), 7 rain days55 °F (13 °C) / 43 °F (6 °C), 7 rain daysCrowds: Medium
- OctoberGoodOutside the best window (May–Sep). Across Iceland: Auroras and fewer crowds; first storms and snow in the north.9 °C (48 °F) / 3 °C (37 °F), 10 rain days48 °F (9 °C) / 37 °F (3 °C), 10 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Sep). Across Iceland: Short days, storms; Iceland Airwaves; ice caves open.5 °C (41 °F) / 0 °C (32 °F), 12 rain days41 °F (5 °C) / 32 °F (0 °C), 12 rain daysCrowds: Low
- DecemberMixedOutside the best window (May–Sep). Across Iceland: Darkest month, Christmas lights and fireworks; storms can close roads for days.3 °C (37 °F) / -2 °C (28 °F), 13 rain days37 °F (3 °C) / 28 °F (-2 °C), 13 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Keflavík, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 13 °C (55 °F)55 °F (13 °C)
Jun: 15 °C (59 °F)59 °F (15 °C)
Night low
May: 4 °C (39 °F)39 °F (4 °C)
Jun: 7 °C (45 °F)45 °F (7 °C)
Rain days
May: 7
Jun: 5 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Keflavík's best window: May–Sep.
June: Inside Keflavík's best window: May–Sep.
Keflavík: figures are long-term averages from this guide, not a forecast.