Your June weather guide
CoolWeather in Reykjavik in June
June is a good time to visit Reykjavik if you want long days and can accept cool, wet weather rather than summer warmth. Average daytime highs are 12.5°C, nights fall to 6.8°C, and about 14 days have rain. It suits travellers happy to dress in layers and keep outdoor plans flexible. The appeal is the time available outside, not the chance to sit around in shorts; waterproof clothing still deserves space in your bag.
Long-term climate averages for Reykjavík, not a forecast · 1991-2020
Reykjavik, month by month
Your snapshot
At a glance
The useful details for Reykjavík.
- Average daytime high
- 12.5°C
- 9 in 10 days stay below 16°C
- Average night-time low
- 6.8°C
- coldest 10% of nights: 4°C or lower
- Compared with London
- -7.1°C
- London averages 19.6°C in June
- Sunshine per day (est.)
- 4.9h
- 24% of 20.4 h of daylight
- Rainy days (1 mm+)
- 14
- 80 mm over the month
- Humidity
- 77%
- Days over 25°C
- 0%
- none over 30°C
- Record high 1991-2020
- 20.6°C
- 1999-06-30
- Record low 1991-2020
- -0.9°C
- 1997-06-07
- Flight from London
- ≈ 3 h 6 min
- 1918 km, short-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How June compares
June is the 3rd warmest month of the year in Reykjavik. Against London's average high of 19.6°C in June, Reykjavik is 7.1°C cooler by day and 4.5°C cooler at night.
Daytime and night-time in June
The typical June day in Reykjavik peaks at 12.5°C, but that is an average: the warmest 10% of days reach 15.7°C or more. Days over 25°C are rare. Nights average 6.8°C; one night in ten drops to 4.2°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest June day here reached 20.6°C (1999-06-30) and the coldest night -0.9°C (1997-06-07).
Rain in June
Wet (more than 8 rainy days): about 14 days with 1 mm or more, 80 mm in total. Year to year it varies a lot - the wettest June was 2006 with 143 mm, the driest 1991 with 27 mm. Humidity averages 77%.
Sunshine and daylight
Around 4.9 hours of sunshine a day (estimated from cloud cover), 20.4 hours of daylight: the sun rises about 02:57 and sets about 23:59 local time in mid-June. Average cloud cover is 76%.
Is June a good time to visit Reykjavik?
June is not the strongest month here: cool days and frequent rain. The best months for Reykjavik on our scoring are June, May, July.
Cool days, with a noticeable chill at night
June is among Reykjavik's warmer months, but that is relative: it still calls for a jumper rather than a typical summer wardrobe. The warmer days reach 15.7°C or more, which can make spending time outside more comfortable, without bringing much heat at midday. At the colder end, nights can fall to 4.2°C or below, so do not let the month persuade you to pack only light clothes. Bring layers you can add or remove, trousers and a warm outer layer for late outings. This is a reasonable choice if you dislike heat, but a poor fit if warmth is the main reason for your holiday.
Long daylight does not mean constant sunshine
The biggest advantage is around 20.4 hours of daylight, giving you plenty of flexibility over when to head outside. Sunshine averages about 4.9 hours a day, though, so expect plenty of daylight without direct sun. With about 14 rainy days, June is not a reliably dry window: leave room to move outdoor plans around rather than tying everything to a fixed timetable. A waterproof jacket and footwear that can cope with rain are sensible packing choices. The long light also makes an eye mask useful if you need darkness to sleep. Come for the extended days, but do not confuse them with beach-holiday weather.
A little perspective
Reykjavik through the year
June is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|
| January | 1.2°C | -3.5°C | 1.1 | 131 | 18 | 0% |
| February | 1.3°C | -3.5°C | 2.0 | 131 | 17 | 0% |
| March | 2.5°C | -2.6°C | 2.8 | 118 | 17 | 0% |
| April | 5.6°C | 0.0°C | 4.0 | 104 | 17 | 0% |
| Maybest | 9.3°C | 3.3°C | 4.8 | 92 | 16 | 0% |
| JuneSelectedbest | 12.5°C | 6.8°C | 4.9 | 80 | 14 | 0% |
| Julybest | 14.3°C | 8.7°C | 4.4 | 86 | 15 | 0% |
| August | 13.3°C | 8.2°C | 3.7 | 104 | 16 | 0% |
| September | 10.3°C | 5.8°C | 2.8 | 134 | 18 | 0% |
| October | 6.0°C | 2.0°C | 2.6 | 121 | 15 | 0% |
| November | 2.8°C | -0.9°C | 1.5 | 121 | 16 | 0% |
| December | 1.3°C | -3.2°C | 0.9 | 133 | 18 | 0% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in June
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Reykjavik in June FAQs
Plain answers, grounded in the averages.
Is Reykjavik hot in June?
Reykjavik is cool in June: the average daytime high is 12.5°C and nights average 6.8°C. Days over 25°C are rare in June.
How much does it rain in Reykjavik in June?
Reykjavik sees about 14 rainy days (1 mm or more) and 80 mm of rain in a typical June. The wettest June between 1991 and 2020 was 2006 (143 mm) and the driest was 1991 (27 mm).
How sunny is Reykjavik in June?
Reykjavik gets around 4.9 hours of sunshine a day in June out of 20.4 hours of daylight (estimated from average cloud cover).
How does Reykjavik compare with the UK in June?
Reykjavik is on average 7.1°C cooler than London by day in June (12.5°C against 19.6°C).
What is the hottest June on record in Reykjavik?
Between 1991 and 2020 the hottest June day in Reykjavik reached 20.6°C on 1999-06-30, and the coldest night dropped to -0.9°C on 1997-06-07.
How much cooler is Reykjavik than London in June?
Reykjavik's average daytime high is 12.5°C, compared with 19.6°C in London. That is a noticeable change for a UK traveller: pack for cool days rather than assuming your usual June clothes will be enough.
Is June a good choice if I want to avoid hot weather?
Yes, if cool weather appeals more than warmth. Days reaching 25°C account for 0%, and the average high is just 12.5°C. The trade-off is that avoiding heat also means accepting chilly evenings and a real chance of rain.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid), 1991-2020
Averages computed from daily values at Reykjavík. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C