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Best time to visit · Iceland
On the climate data, the best time to visit Jökulsárlón is June – August, scoring up to 47/100 with highs around 47°F (8°C) and 3.6 in (92 mm) of rain in June. The toughest months are December – February, mainly because of cool days.
Highs run from 36°F to 49°F across the year, and the yearly total is about 93.6 in (2377 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 36°F2°C | 36°F2°C | 36°F2°C | 39°F4°C | 42°F6°C | 47°F8°C | 49°F10°C | 49°F10°C | 46°F8°C | 42°F5°C | 38°F3°C | 36°F2°C |
| Avg low | 31°F-1°C | 30°F-1°C | 31°F-1°C | 34°F1°C | 37°F3°C | 43°F6°C | 46°F8°C | 46°F8°C | 42°F6°C | 37°F3°C | 33°F1°C | 31°F-1°C |
| Rain | 11.2 in284 mm | 10.3 in262 mm | 8.7 in222 mm | 6.9 in175 mm | 4.3 in109 mm | 3.6 in92 mm | 4.5 in115 mm | 5.7 in146 mm | 8.7 in220 mm | 9.9 in251 mm | 9.1 in230 mm | 10.7 in271 mm |
| Humidity | 87% | 87% | 86% | 85% | 84% | 86% | 88% | 87% | 87% | 86% | 86% | 86% |
| Cloud | 79% | 80% | 80% | 80% | 80% | 81% | 85% | 84% | 84% | 80% | 78% | 79% |
| Comfort | 19 | 18 | 22 | 27 | 38 | 47 | 47 | 44 | 30 | 20 | 21 | 19 |
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 384 m (1,260 ft), close to Jökulsárlón's own ~268 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs near 36°F (2°C), and nights reach 30°F (-1°C). It's the wettest season, with about 32.2 in (817 mm) of rain, 34% of the year's total. Nights dip below freezing in December – February. It holds the toughest stretch on our comfort score (December – February), averaging 19/100.
Temperatures climb through the season, from 36°F highs in March to 42°F by May. About 19.9 in (506 mm) of rain falls across these months, 21% of the year's total. Nights dip below freezing in March. Comfort scores sit mid-table, averaging 29/100.
The warmest stretch of the year, with highs of 47–49°F (8–10°C). It's the driest season, with only about 13.9 in (353 mm) of rain, 15% of the year's total. Lows bottom out around 43°F (6°C). Comfort peaks here: June – August rank with the year's best, and the season averages 46/100.
Temperatures slide from 46°F highs in September to 38°F by November. About 27.6 in (701 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 24/100.
By comfort score: 2 Fair and 10 Tough. Tap a month for its own guide.
On the climate data, the best time to visit Jökulsárlón is June – August, scoring up to 47/100 with highs around 47°F (8°C) and 3.6 in (92 mm) of rain in June. The toughest months are December – February, mainly because of cool days.
January is the wettest month, averaging about 11.2 in (284 mm) of rain. June is the driest, with about 3.6 in (92 mm). The yearly total is around 93.6 in (2377 mm).
February is the coldest, with average lows of 30°F (-1°C) and highs of 36°F (2°C). The warmest is July, with average highs of 49°F (10°C).
Not very: summer (June – August) humidity averages 87%, and highs peak around 49°F (10°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.
Poll the group on June – August dates, then plan the days, packing and costs together.
