Climate guide for Reykjavik, Iceland

Best Time to Visit
Reykjavik

How to read the score (0–10)
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01 · Iceland

About Reykjavik

June-August offers the mildest weather for Golden Circle day trips, Blue Lagoon soaks, and harbor walks under long daylight. Pack layers for wind; use clearer evenings for whale-watching or coastal paths.

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Did you know?

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Travel Tips

01Best time & timing
Target July, June, May — that is where comfort scores peak (7.6/10). January is the weakest month at 1.2/10.
02Weather & what to pack
July averages 11°C with 88 mm of rain and about 16 days with 6+ hours of sunshine. Pack a mid-weight jacket and shoes you can walk in all day.
03Crowds & value
If budget matters, target June — 7.1/10 with lighter demand than July.

Things to do in Reykjavik

Reykjavik, Iceland. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Reykjavik: the short answer

Plan Reykjavik for July, with June, May close behind — the stretch with the most usable temperatures and the fewest lost days to rain: July averages 11°C with 88 mm of rain and about 16 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are January, December.

Across the year Reykjavik swings from -2°C in December to 11°C in July, a 13-degree spread, while rainfall ranges from 88 mm in July to 170 mm in January. In short, Reykjavik is not equally good year-round — the gap between its best and worst month is 6.4 points on the same 10-point scale.

Warmest month: July (11°C). Coolest: December (-2°C). Driest: July (88 mm). Wettest: January (170 mm).

Reykjavik month by month

January in Reykjavik — the hardest end of the year

Hardest · 1.2/10

At -1°C (30°F) this is proper winter weather in January: layer up and split the day between outdoor highlights and indoor stops.

170 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 4.9 hours of daylight.

That is 1.2/10 on the same scale — 12th of 12 months, versus 7.6/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, July is materially better in Reykjavik — 6.4 points higher on the same scale.

February in Reykjavik — off-season conditions

Hardest · 1.8/10

At -1°C (31°F) this is proper winter weather in February: layer up and split the day between outdoor highlights and indoor stops.

169 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8 hours of daylight.

That is 1.8/10 on the same scale — 10th of 12 months, versus 7.6/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, July is materially better in Reykjavik — 5.8 points higher on the same scale.

March in Reykjavik — the hardest end of the year

Hardest · 2.8/10

March averages 0°C (32°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 136 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 11.2 hours of daylight.

It scores 2.8/10 here, 8th of 12 months, against 7.6/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? July scores 4.8 points higher here — enough to change the trip.

April in Reykjavik — middling scores, decent value

Trade-offs · 5.5/10

At 4°C (38°F) this is proper winter weather in April: layer up and split the day between outdoor highlights and indoor stops.

106 mm of rain signals a properly wet month, with only about 12 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 5.5/10 on the same scale — 5th of 12 months, versus 7.6/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, July is materially better in Reykjavik — 2.1 points higher on the same scale.

May in Reykjavik — middling scores, decent value

Trade-offs · 6.3/10

May averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 138 mm this is a genuinely wet month: about 17 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 6.3/10 here, 3rd of 12 months, against 7.6/10 in the destination's best month.

Figure on mid-season pricing, with crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

June in Reykjavik: strong conditions, 2nd of 12

Good · 7.1/10

Expect 9°C (48°F) in June. A good month for city streets, viewpoints and long meals; leave swimming for another season.

105 mm of rain signals a properly wet month, with only about 17 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 7.1/10 on the same scale — 2nd of 12 months, versus 7.6/10 for the best month here.

Budget for mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

July in Reykjavik — the year's strongest window

Best window · 7.6/10

Expect 11°C (51°F) in July. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 88 mm of rain this month — a flexible day or two helps — with about 16 days with 6+ hours of sunshine and 19.3 hours of daylight to work around it.

On our climate-comfort scale this is the top-ranked month of the year for Reykjavik at 7.6/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

August in Reykjavik — workable with trade-offs

Trade-offs · 6.2/10

August averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 127 mm this is a genuinely wet month: about 9 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 6.2/10 here, 4th of 12 months, against 7.6/10 in the destination's best month.

Plan for peak pricing, with this is one of the busiest months here.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

September in Reykjavik: expect compromises

Hardest · 4.7/10

September averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 128 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 4.7/10 here, 6th of 12 months, against 7.6/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? July scores 2.9 points higher here — enough to change the trip.

October in Reykjavik — the hardest end of the year

Hardest · 3.2/10

At 4°C (39°F) this is proper winter weather in October: layer up and split the day between outdoor highlights and indoor stops.

130 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 3.2/10 on the same scale — 7th of 12 months, versus 7.6/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, July is materially better in Reykjavik — 4.4 points higher on the same scale.

November in Reykjavik — off-season conditions

Hardest · 2.4/10

At 2°C (36°F) this is proper winter weather in November: layer up and split the day between outdoor highlights and indoor stops.

110 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 2.4/10 on the same scale — 9th of 12 months, versus 7.6/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, July is materially better in Reykjavik — 5.2 points higher on the same scale.

December in Reykjavik — off-season conditions

Hardest · 1.3/10

December averages -2°C (28°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 129 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 3.6 hours of daylight.

It scores 1.3/10 here, 11th of 12 months, against 7.6/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? July scores 6.3 points higher here — enough to change the trip.

FAQ

Frequently asked

When is the best time to visit Reykjavik, Iceland?
In Ideal Weather mode, the best months to visit Reykjavik are July, June. July is the single peak month with an Ideal Weather score of 7.6/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Reykjavik year-round?
Reykjavik has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from -2°C in December to 11°C in July, with Ideal Weather scores between 1.2 and 7.6 out of 10.
Which months should I avoid in Reykjavik?
The lowest Ideal Weather-scoring months in Reykjavik are January (1.2/10), December (1.3/10), February (1.8/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Reykjavik?
January is the wettest month in Reykjavik, averaging about 170 mm of rainfall. July is the driest, at roughly 88 mm.
Which is the sunniest month in Reykjavik?
May sees the most sun in Reykjavik, with about 17 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Reykjavik a good destination for nature and wildlife travel?
Reykjavik is well suited to nature and wildlife travel. Its highest Ideal Weather window (July, June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Reykjavik calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Reykjavik: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for nature and wildlife travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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