When to go · Iceland
When to go to Reykjavík
When to go
What the averages say
No month in Reykjavík averages a high of 18°C or more; the warmest, July, averages 14°C.
- Wet months (150 mm of rain or more): September and December to March.
- Cold months (a mean high under 10°C): October to May.
- The warmest month is July (14°C) and the coolest January (2°C). The wettest is September (181 mm) and the driest June (83 mm); about 1,638 mm of rain falls in a year.
How these sentences are worded
Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.
The year at a glance
- Mild to warm and dry
- Mild to warm, humid or showery
- Hot
- Cool
- Wet
- Cold
- JanCold
- FebCold
- MarCold
- AprCold
- MayCold
- JunCool
- JulCool
- AugCool
- SeptWet
- OctCold
- NovCold
- DecCold
Month by month
Every month in Reykjavík
| Month | High | Low | Rain | Humidity | Cloud | Sunlight (kWh/m²/day) | High in Dubai | What it is like |
|---|---|---|---|---|---|---|---|---|
| January | 2°C | -2°C | 169 mm | 91% | 78% | 0.1 | 23°C | Cold |
| February | 2°C | -2°C | 152 mm | 91% | 79% | 0.5 | 24°C | Cold |
| March | 3°C | -1°C | 153 mm | 89% | 80% | 1.8 | 27°C | Cold |
| April | 5°C | 1°C | 119 mm | 87% | 81% | 3.5 | 31°C | Cold |
| May | 8°C | 3°C | 93 mm | 83% | 80% | 4.8 | 35°C | Cold |
| June | 12°C | 7°C | 83 mm | 83% | 81% | 5.1 | 37°C | Cool |
| July | 14°C | 9°C | 99 mm | 83% | 83% | 4.5 | 39°C | Cool |
| August | 13°C | 8°C | 121 mm | 85% | 79% | 3.5 | 39°C | Cool |
| September | 10°C | 6°C | 181 mm | 88% | 80% | 2 | 37°C | Wet |
| October | 6°C | 3°C | 147 mm | 91% | 78% | 0.9 | 34°C | Cold |
| November | 3°C | 0°C | 149 mm | 91% | 78% | 0.2 | 29°C | Cold |
| December | 2°C | -1°C | 172 mm | 92% | 76% | 0 | 25°C | Cold |
The Dubai column is Dubai's mean daily high, for comparison.
Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.
The figures are modelled at Reykjavik, the atlas city this page's place is measured from.
When to go nearby
When to go nearby
Plan it
Plan a trip to Reykjavík
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