Weather & climate · Reykjavik

Best Time to Visit Iceland

May to August

The best time to visit Iceland is May to August, when daytime highs in Reykjavik are around 8–14°C. July is the warmest month (14°C by day), February the coldest (-2°C at night), and September the wettest with about 181 mm of rain.

14°C

Warmest: July

-2°C

Coldest nights: February

1638 mm

Rain per year

181 mm

Wettest: September

Iceland weather by month

Jan2°C-2°C169 mm
Feb2°C-2°C152 mm
Mar3°C-1°C153 mm
Apr5°C1°C119 mm
May8°C3°C93 mm
Jun12°C7°C83 mm
Jul14°C9°C99 mm
Aug13°C8°C121 mm
Sep10°C6°C181 mm
Oct6°C3°C147 mm
Nov3°C0°C149 mm
Dec2°C-2°C172 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	2°C	-2°C	169 mm	91%	78%	Cold
February	2°C	-2°C	152 mm	91%	79%	Cold
March	3°C	-1°C	153 mm	89%	80%	Cold
April	5°C	1°C	119 mm	87%	81%	Cold
May	8°C	3°C	93 mm	83%	80%	Best time
June	12°C	7°C	83 mm	83%	81%	Best time
July	14°C	9°C	99 mm	83%	83%	Best time
August	13°C	8°C	121 mm	85%	79%	Best time
September	10°C	6°C	181 mm	88%	80%	Rainy
October	6°C	3°C	147 mm	91%	78%	Cold
November	3°C	0°C	149 mm	91%	78%	Cold
December	2°C	-2°C	172 mm	92%	76%	Cold

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Reykjavik (64.15, -21.95). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Iceland have their own climate.

Frequently asked questions

When is the best time to visit Iceland?

May to August. The best time to visit Iceland is May to August, when daytime highs in Reykjavik are around 8–14°C. July is the warmest month (14°C by day), February the coldest (-2°C at night), and September the wettest with about 181 mm of rain.

What is the hottest month in Iceland?

July, with average highs of 14°C in Reykjavik.

What is the coldest month in Iceland?

February, when nights drop to about -2°C and days reach 2°C.

What is the rainiest month in Iceland?

September with about 181 mm; June is the driest (83 mm).

When should I avoid visiting Iceland?

September is the least comfortable month on average: 10°C by day and 181 mm of rain.

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