July · Iceland
Best time to visit Blue Lagoon in July Weather, crowds & prices
Weather in Blue Lagoon in July
Average temperature 11°C, 81 mm of rain, about 17 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
7.7/10
Ranked #1 of 12 months
- Avg temp
- 11°C
- Rainfall
- 81 mm
- Humidity
- 86%
- Days with 6h+ sun
- 17
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
July in Blue Lagoon scores 7.7/10 for nature and wildlife travel - the single best month of the year. Expect around 11°C, 81 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Milky geothermal waters in a black lava field, striking year-round against cool Icelandic air.
July in Blue Lagoon — the year's strongest window
July averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 81 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 19.1 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Blue Lagoon at 7.7/10 — the reference point every other month on this page is measured against.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Blue Lagoon in July?
- In July, Blue Lagoon averages 11°C, 81 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is July a good time to visit Blue Lagoon?
- July earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Blue Lagoon in July?
- Expect about 81 mm of rain in July. Average humidity is 86% and there are about 17 days with 6+ hours of sunshine.
Curated in Blue Lagoon
Tickets & experiences
Things to do in Blue Lagoon
Blue Lagoon, Iceland. Live activities and tours from GetYourGuide, matched to this destination.