Climate guide for Golden Circle, Iceland

Golden Circle in May

Weather, crowds & best time to visit

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

Best time to visit Golden Circle in May Weather, crowds & prices

Weather in Golden Circle in May

Average temperature 5°C, 146 mm of rain, about 17 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

4.9/10

Ranked #5 of 12 months

Full year for Golden Circle
Avg temp
5°C
Rainfall
146 mm
Humidity
85%
Days with 6h+ sun
17
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Golden Circle scores 4.9/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 5°C, 146 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.

Iceland's Golden Circle links Þingvellir rift valley, Geysir hot springs, and Gullfoss waterfall on a classic day loop from Reykjavík. Best window: the short high-summer window when daylight peaks.

May in Golden Circle — the hardest end of the year

May averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 146 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 4.9/10 here, 5th of 12 months, against 6.8/10 in the destination's best month.

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

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

Flexible dates? July scores 1.9 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Golden Circle in May?
In May, Golden Circle averages 5°C, 146 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 4.9/10.
Is May a good time to visit Golden Circle?
May earns a 4.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Golden Circle in May?
Expect about 146 mm of rain in May. Average humidity is 85% and there are about 17 days with 6+ hours of sunshine.

Curated in Golden Circle

Tickets & experiences

Things to do in Golden Circle

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