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Best time to visit · Iceland
June – August are the best time to visit Reykjavík on the climate data: July scores 64/100, with highs around 57°F (14°C) and 3.9 in (99 mm) of rain. May is a good shoulder-season month. The toughest months are March and December & January, mainly because of cool days.
Highs run from 36°F to 57°F across the year, and the yearly total is about 64.5 in (1638 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 36°F2°C | 37°F3°C | 38°F3°C | 42°F6°C | 48°F9°C | 54°F12°C | 57°F14°C | 56°F14°C | 51°F10°C | 44°F7°C | 39°F4°C | 37°F3°C |
| Avg low | 30°F-1°C | 30°F-1°C | 31°F0°C | 35°F2°C | 39°F4°C | 46°F8°C | 49°F9°C | 48°F9°C | 44°F7°C | 38°F3°C | 33°F1°C | 30°F-1°C |
| Rain | 6.7 in169 mm | 6.0 in152 mm | 6.0 in153 mm | 4.7 in119 mm | 3.7 in93 mm | 3.3 in83 mm | 3.9 in99 mm | 4.8 in121 mm | 7.1 in181 mm | 5.8 in147 mm | 5.9 in149 mm | 6.8 in172 mm |
| Humidity | 91% | 91% | 89% | 87% | 83% | 83% | 83% | 85% | 88% | 91% | 91% | 92% |
| Cloud | 78% | 79% | 80% | 81% | 80% | 81% | 83% | 79% | 80% | 78% | 78% | 76% |
| Comfort | 29 | 30 | 30 | 37 | 49 | 61 | 64 | 61 | 44 | 37 | 31 | 29 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 101 m (331 ft), close to Reykjavík's own ~8 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 36–37°F (2–3°C), and nights reach 30°F (-1°C). It's the wettest season, with about 19.4 in (493 mm) of rain, 30% of the year's total. Nights dip below freezing in December – February. Comfort scores bottom out in December & January; the season averages 29/100.
Temperatures climb through the season, from 38°F highs in March to 48°F by May. About 14.4 in (365 mm) of rain falls across these months, 22% of the year's total. Nights dip below freezing in March. It holds the toughest stretch on our comfort score (March), averaging 39/100.
Peak warmth: highs of 54–57°F (12–14°C). It's the driest season, with only about 11.9 in (303 mm) of rain, 18% of the year's total. Lows bottom out around 46°F (8°C). June – August are among the best-scoring months (season average 62/100).
Temperatures slide from 51°F highs in September to 39°F by November. About 18.8 in (477 mm) of rain falls across these months, 29% of the year's total. Lows bottom out around 33°F (1°C). Comfort scores sit mid-table, averaging 37/100.
By comfort score: 3 Good, 1 Fair and 8 Tough. Tap a month for its own guide.
June – August are the best time to visit Reykjavík on the climate data: July scores 64/100, with highs around 57°F (14°C) and 3.9 in (99 mm) of rain. May is a good shoulder-season month. The toughest months are March and December & January, mainly because of cool days.
September is the wettest month, averaging about 7.1 in (181 mm) of rain. June is the driest, with about 3.3 in (83 mm). The yearly total is around 64.5 in (1638 mm).
February is the coldest, with average lows of 30°F (-1°C) and highs of 37°F (3°C). The warmest is July, with average highs of 57°F (14°C).
Not very: summer (June – August) humidity averages 84%, and highs peak around 57°F (14°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in December – March, bottoming out around 30°F (-1°C) in February.
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