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Búðardalur Weather in May
May in Búðardalur averages 9°C (48°F) during the day and 2°C (36°F) at night. Quite a bit of rainfall is typical this month, with around 79 mm (3.1 in) on average. An umbrella is a good idea.
Rainfall in Búðardalur in May
Climate statistics over the past 30 years suggest around 13 days of rain, with 79 mm (3.1 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Búðardalur in May
May in Búðardalur sees highs of 9°C (48°F) and lows of 2°C (36°F) overnight. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Búðardalur in May
The area experiences a moderate amount of sunshine, with approximately 182 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Búðardalur. Our weather planner can help you explore destinations with more pleasant weather conditions.
Búðardalur Temperature in May
Min Temperature
2°C (36°F)
Max Temperature
9°C (48°F)
Chance of Rain
44%
Precipitation
79 mm (3.1 in)
Rainy days
13 days
Humidity
78% *
Sunshine
182 hours *
Percentage Sunshine
32% *
* Data from: Stykkishólmur, Iceland (45 KM, 28 Miles).
Búðardalur Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Búðardalur - and find the best time to visit.
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Búðardalur typically rise from around 7°C (45°F) at the start of May to approximately 10°C (50°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 6°C (43°F).
Average temperatures in May
Daily Historical Precipitation
45-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Búðardalur in May
Browse day-by-day weather records for Búðardalur spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Búðardalur historical weather extremes in May
Our historical data for Búðardalur spans 1993 to 2026, revealing these weather extremes.
- The warmest day in May was on May 18, 2025, with a maximum of 25°C (77°F).
- Búðardalur experienced its chilliest May day on May 1, 2003, reaching only 0°C (32°F).
- The lowest overnight temperature recorded in May was -7°C (19°F) (May 12, 2019).
- Peak precipitation in May occurred on May 8, 1993, when 28 mm (1.1 in) of precipitation was measured.
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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Búðardalur in May
Dress warmly and in layers for your trip to Búðardalur 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Búðardalur in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling4/10 -
Walking4/10 -
Camping4/10 -
Outdoor sports4/10
Búðardalur 3-Day Forecast
More climate data for Búðardalur
Temperature Rainfall Sunshine Humidity
See the full Búðardalur climate overview or explore weather in Iceland.
Popular in May
Where to go in May - average daytime high across popular destinations.
Hella
12°C (54°F) Reykjavík
11°C (52°F) Kópavogur11°C (52°F) Selfoss11°C (52°F) Keflavík9°C (48°F) Höfn
8°C (46°F) Akureyri
6°C (43°F) Egilsstadir7°C (45°F) Bucket list
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