Best Time to Visit Blue Lagoon
Best time to visit Blue Lagoon: June, July and August. Month-by-month temperature, rainfall and crowd guidance.
Best time to visit Blue Lagoon
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and December - expect the least comfortable mix of heat, cold or rain.
Climate in Blue Lagoon month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 36° | 29° | 5,2 in | ★★☆☆☆ |
| February | 37° | 30° | 4,5 in | ★★☆☆☆ |
| March | 40° | 32° | 6,3 in | ★★☆☆☆ |
| April | 44° | 36° | 4,5 in | ★★☆☆☆ |
| May | 48° | 41° | 4,6 in | ★★★☆☆ |
| June | 52° | 45° | 3,8 in | ★★★☆☆ |
| July | 55° | 49° | 5,7 in | ★★★☆☆ |
| August | 55° | 48° | 5,4 in | ★★★☆☆ |
| September | 50° | 43° | 4,3 in | ★★★☆☆ |
| October | 44° | 37° | 6,1 in | ★★☆☆☆ |
| November | 40° | 33° | 3,9 in | ★★☆☆☆ |
| December | 38° | 30° | 6,0 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
How Blue Lagoon compares with nearby places
Annual averages, and the difference against Blue Lagoon.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Keflavik International Airport | 9 mi | 42°F | about the same | 52 in |
| Reykjavik | 24 mi | 40°F | 33°F cooler | 59 in |
| Golden Circle | 53 mi | 34°F | 40°F cooler | 74 in |
| Westman Islands | 73 mi | 45°F | +35°F warmer | 59 in |
| Vatnajokull National Park | 169 mi | 21°F | 53°F cooler | 77 in |
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 38 mph.
- If your dates are flexible, avoid January, March and December - historically the least comfortable months here.
Summary
Blue Lagoon is a tourist attraction in Iceland. Blue Lagoon is a landmark known for a geothermal spa in a lava field.
Right now it is 53°F (11°C) in Blue Lagoon with light rain. It feels like 45°F. Today runs from 48°F to 56°F. Chance of precipitation is 100%. Sightseeing conditions score 5.6/10 - fair - plan around the weather.
The best time to visit Blue Lagoon is June, July and August. The climate is subarctic. January, March and December tend to be the least comfortable months. July is the warmest month with average highs near 55°F, while January is the coldest with lows near 29°F.
The closest major airport is Keflavik International Airport (KEF), about 9 mi away. Nearby highlights include Golden Circle, Westman Islands and Vatnajokull National Park.
In plain terms. Today is slightly warmer than average for September. The forecast high of 56°F is 5.4°F above the 50°F typical for this month. The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Blue Lagoon today at 8.2/10. Gusts to 38 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Blue Lagoon right now
Source: Open-Meteo. Updated 10:18 PM, Sep 30 local time.
Weekend outlook
🌧️ 50° / 45°
Showers · 89% rain · wind 27 mph
🌦️ 49° / 46°
Drizzle · 55% rain · wind 30 mph
Things to do in Blue Lagoon
Attractions, parks and landmarks in and around Blue Lagoon.
Quick facts about Blue Lagoon
Explore Blue Lagoon
Every topic we hold for this place, and the same topic for the places around it.
Best Time to Visit for related places
Frequently asked questions
Where is Blue Lagoon?
Blue Lagoon is a tourist attraction in Iceland. Its coordinates are 63.8804, -22.4495. It lies in Europe.
What is the weather like in Blue Lagoon right now?
It is currently 53°F (11°C) with light rain. Humidity is 92% and wind is 18 mph.
When is the best time to visit Blue Lagoon?
June, July and August offer the most comfortable conditions in Blue Lagoon, which has a subarctic climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is Blue Lagoon in?
Blue Lagoon observes Atlantic/Reykjavik (UTC+00:00). The local time is 10:18 PM.
What is the nearest airport to Blue Lagoon?
The closest airports are Keflavik International Airport (KEF), 9 mi away.
What are the top things to do in Blue Lagoon?
Popular options include Golden Circle, Westman Islands and Vatnajokull National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (attractions) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 30, 2026 at 10:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
