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When to go · Keflavík

Keflavík in January

Mixed month. Outside the best window (May–Sep). Across Iceland: 4–5 h of light, storms, ice caves and auroras; keep buffer days.

Key facts

Verdict
Mixed
Temperature
3°C (37°F) / −3°C (27°F)
average high / low
Rain days
12
Crowds
Low
Iceland overall
Prices
Medium
Iceland overall

Verdict

MixedIceland month rating

Outside the best window (May–Sep). Across Iceland: 4–5 h of light, storms, ice caves and auroras; keep buffer days.

Is another month better than January?

January is rated mixed. These months rate higher:

Weather in January

Long-term averages
  • KeflavíkHighs around 3 °C (37 °F), lows around -3 °C (27 °F), rain on about 12 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Christmas and New Year big impact

    24–26 Dec, 31 Dec – 1 Jan · Iceland

    Shops and restaurants close from mid-afternoon on the 24th and 31st; huge private fireworks on New Year's Eve.

Crowds and prices

Crowds · Iceland overall
Low
Prices · Iceland overall
Medium

Iceland overall: 4–5 h of light, storms, ice caves and auroras; keep buffer days.

Compare two months

Weather, crowds and prices for any two months in Keflavík, side by side.

  • Verdict

    Jan: Mixed

    May: Great (better)

  • Daytime high

    Jan: 3 °C (37 °F)

    May: 13 °C (55 °F)

  • Night low

    Jan: -3 °C (27 °F)

    May: 4 °C (39 °F)

  • Rain days

    Jan: 12

    May: 7 (better)

  • Crowds

    Jan: Low

    May: Medium

  • Prices

    Jan: Medium

    May: Medium

  • Festivals listed

    Jan: 1

    May: 0

January: Outside the best window (May–Sep). Across Iceland: 4–5 h of light, storms, ice caves and auroras; keep buffer days.

May: Inside Keflavík's best window: May–Sep.

Keflavík: figures are long-term averages from this guide, not a forecast.

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Iceland in January →