Reykjahlíð Weather in May
May in Reykjahlíð averages 8°C (46°F) during the day and 1°C (34°F) at night. Quite a bit of rainfall is typical this month, with around 67 mm (2.6 in) on average. An umbrella is a good idea.
Rainfall in Reykjahlíð in May
Historically, May sees about 11 days of rain, with a monthly average of 67 mm (2.6 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Reykjahlíð in May
In May, Reykjahlíð gets low temperatures, with highs of 8°C (46°F). Nights cool to around 1°C (34°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Reykjahlíð in May
The area experiences a moderate amount of sunshine, with approximately 169 hours of sunlight expected. This means a decent mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Reykjahlíð.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Reykjahlíð's climate page.
Reykjahlíð Temperature in May
Min Temperature
1°C (34°F)
Max Temperature
8°C (46°F)
Chance of Rain
37%
Precipitation
67 mm (2.6 in)
Rainy days
11 days
Humidity
73% *
Sunshine
169 hours *
Percentage Sunshine
28% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Reykjahlíð typically rise from around 7°C (45°F) at the start of May to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 5°C (41°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Reykjahlíð in May
Browse day-by-day weather records for Reykjahlíð spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Reykjahlíð historical weather extremes in May
Our historical data for Reykjahlíð spans 1976 to 2026, revealing these weather extremes.
- On May 22, 1980, temperatures climbed to 23°C (73°F), marking the warmest May day on record.
- The coldest May day was on May 3, 1982, with a maximum of -5°C (23°F).
- Reykjahlíð registered its coldest May night on May 5, 1982, with temperatures dropping to -9°C (16°F).
- The heaviest May precipitation occurred on May 21, 1986, when 24 mm (0.9 in) of precipitation fell.
Best Places in Iceland in May
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in May →
perfect weather
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What to Wear in Reykjahlíð in May
Dress warmly and in layers for your trip to Reykjahlíð in May. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Reykjahlíð in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Reykjahlíð's climate page.
Temperature Rainfall Sunshine Humidity
See the full Reykjahlíð climate overview or explore weather in Iceland.
