April · Iceland
Best time to visit Blue Lagoon in April Weather, crowds & prices
Weather in Blue Lagoon in April
Average temperature 4°C, 102 mm of rain, about 8 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
5.3/10
Ranked #5 of 12 months
- Avg temp
- 4°C
- Rainfall
- 102 mm
- Humidity
- 86%
- Days with 6h+ sun
- 8
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Blue Lagoon scores 5.3/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 4°C, 102 mm of rain, and roughly 8 days with 6+ hours of sunshine this month.
Milky geothermal waters in a black lava field, striking year-round against cool Icelandic air.
April in Blue Lagoon — middling scores, decent value
April averages 4°C (39°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 102 mm this is a genuinely wet month: about 8 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.3/10 here, 5th of 12 months, against 7.7/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? July scores 2.4 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Blue Lagoon in April?
- In April, Blue Lagoon averages 4°C, 102 mm of rain, and about 8 days with 6+ hours of sunshine. Its climate-comfort score is 5.3/10.
- Is April a good time to visit Blue Lagoon?
- April earns a 5.3/10 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 April?
- Expect about 102 mm of rain in April. Average humidity is 86% and there are about 8 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.