- Temperature
- -3 to 13°C
Updated July 2026 · Sources cited: en.climate-data.org, climatestotravel.com
Good to know
Good to Know
- Pack layers year-round: even in summer, bring warm jackets and waterproof gear. Conditions change quickly.
- Reykjavik is milder than the rest of Iceland due to its coastal location and Gulf Stream influence, but still cold by most standards.
- Wind chill is significant—actual temperatures often feel several degrees colder than recorded.
- June–August offer the best outdoor conditions with extended daylight (18–21 hours) and least rainfall, but still expect chilly days and rain.
- December–February are the darkest months (4–5 hours of daylight) but ideal for Northern Lights viewing.
- Precipitation falls as a mix of rain and snow in the colder months; waterproof clothing is essential year-round.
Peak Month
- Month
- July
Daytime High
- Celsius
- 13
- Fahrenheit
- 55
Nighttime Low
- Celsius
- 9
- Fahrenheit
- 48
Off Peak Month
- Month
- January
Daytime High
- Celsius
- 1
- Fahrenheit
- 34
Nighttime Low
- Celsius
- -3
- Fahrenheit
- 27
Seasons
- Summer
- June to August: cool and cloudy with occasional rain. Despite being the warmest season, highs rarely exceed 13–14°C (57°F). Daylight extends to nearly 24 hours in June and July.
- Winter
- November to March: long, very cold, snowy, and windy. December through February see average highs of 1–2°C (36°F) and lows below freezing. Limited daylight (4–5 hours in December).
- Shoulder Seasons
- April–May and September–October offer transition weather with unpredictable conditions—sun, rain, snow, and wind can all occur within the same day.
Snowfall
- Season
- October through April, with heaviest snow December–February
- Characteristics
- Reykjavik receives lighter snowfall than other parts of Iceland due to its coastal location and influence from the Gulf Stream. Snow often melts or is replaced by rain due to temperature fluctuations.
- Winter Monthly Average
- December–February average 17–23 cm (6.7–9 inches) per month, with March typically the snowiest at 23 cm (9.1 inches).
- Note
- Snowfall is common but does not always accumulate or persist. Some years may see minimal snow coverage in the capital.
Precipitation
- Pattern
- Rainfall is common year-round. Precipitation peaks from September to February. Even summer months receive frequent rain.
- Annual Mm
- 1436
- Driest Month
- June with 87 mm (3.4 in)
- Annual Inches
- 57
- Wettest Month
- February with 148 mm (5.8 in)
General Climate
Subpolar oceanic with a cold maritime influence. Weather is notoriously unstable and unpredictable—conditions can shift rapidly within hours. Strong winds are frequent, especially in winter and spring.
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Reykjavík
Data last updated July 2026 · Verify anything important.