Reykjavik weather in May
Reykjavik in May averages 7°C (45°F), 49 mm of rain and 6.8 hours of sun a day.
Of the twelve months in Reykjavik, May is the fifth warmest, the second driest and the sunniest.

- Average temp
- 7°C (45°F)
4–10°C · 39–50°F
- Rainfall
- 49 mm
Not much rain
- Sunshine
- 6.8 h
hours per day
- Wind
- 21 km/h
What is Reykjavik like in May?
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Reykjavik in May?
A warm mid-layer
Nights drop to around 4°C (39°F).
May compared with April and June
May in Reykjavik is 3°C warmer than April and about as wet as it, which averages 4°C (39°F).
May in Reykjavik is 3.1°C cooler than June and about as wet as it, which averages 10°C (50°F).
Daylight in Reykjavik in May
On 15 May the sun is up for 18 hours 28 minutes in Reykjavik, rising about 04:11 and setting about 22:39 local time.
May ends 3 hours 10 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 36 minutes short of June, the longest-lit month here.
Where to stay in Reykjavik
Dates are a starting point for May.

Travel guides for Reykjavik
What to read before you book.
Reykjavik weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 1°C / 33°F | 86 mm |
| February | 1°C / 33°F | 87 mm |
| March | 2°C / 35°F | 84 mm |
| April | 4°C / 39°F | 56 mm |
| May | 7°C / 45°F | 49 mm |
| June | 10°C / 50°F | 41 mm |
| July | 12°C / 54°F | 50 mm |
| August | 11°C / 53°F | 66 mm |
| September | 9°C / 48°F | 87 mm |
| October | 5°C / 41°F | 80 mm |
| November | 2°C / 36°F | 86 mm |
| December | 1°C / 33°F | 97 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Reykjavik in May
May climate averages for Reykjavik, 1991–2020.
Reykjavik averages 7°C (45°F) in May, ranging from about 4°C (39°F) at night to 10°C (50°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. May sees only about 49 mm, so rain is unlikely to affect your plans.
No. May averages 7°C (45°F) against 10°C (50°F) in June — 3.1°C cooler.
May is 3°C warmer than April, and about as wet.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 6.8 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 18 hours 28 minutes of daylight in mid-May, against 21 hours 4 minutes in June and 4 hours 12 minutes in December.
On 15 May, sunrise is about 04:11 and sunset about 22:39 local time. Both shift across the month — the month ends 3 hours 10 minutes longer than it starts.

