Dettifoss
Dettifoss is a waterfall in the Northeastern Region of Iceland. It is part of the Diamond Circle and the Jökulsá á Fjöllum.
Planning a visit
The weather varies by month. July has the highest temperatures with a daily high of 13 °C and a low of 6 °C, though it is one of the wetter months with 75 mm of rain. August is also warm with a high of 12 °C, while September sees 85 mm of rain. The coldest months are January and February, when daily highs are about -2 °C and lows reach -7 °C.
Dettifoss is located about 320 km from Reykjavík. Travelers can reach the area via Akureyri International Airport, which is 79 km away, or Þórshöfn Airport, which is 65 km away. The site is not wheelchair accessible. Dettifoss is one of the 14 sights from Iceland on this website and is the 10th most looked-up sight in the country on English Wikipedia.
Weather by month
The warmest month is July, with an average high of 13 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | -2 | -2 | -1 | 1 | 5 | 10 | 13 | 12 | 7 | 2 | -1 | -2 |
| Average low, °C | -7 | -7 | -6 | -4 | -1 | 4 | 6 | 6 | 2 | -2 | -6 | -7 |
| Rainfall, mm | 62 | 48 | 57 | 43 | 45 | 48 | 75 | 79 | 85 | 89 | 73 | 56 |
| Rainy days | 20 | 17 | 19 | 14 | 15 | 17 | 20 | 17 | 19 | 20 | 19 | 19 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.
