Climate guide for Seljalandsfoss, Iceland

Seljalandsfoss in August

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

August · Iceland

Best time to visit Seljalandsfoss in August Weather, crowds & prices

Weather in Seljalandsfoss in August

Average temperature 10°C, 156 mm of rain, about 10 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

5.9/10

Ranked #4 of 12 months

Full year for Seljalandsfoss
Avg temp
10°C
Rainfall
156 mm
Humidity
87%
Days with 6h+ sun
10
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Seljalandsfoss scores 5.9/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 10°C, 156 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.

Seljalandsfoss drops from the Eyjafjöll cliffs with a path behind the veil-iconic south-coast waterfall drama. Best window: the short high-summer window when daylight peaks.

August in Seljalandsfoss — middling scores, decent value

August averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 156 mm this is a genuinely wet month: about 10 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 5.9/10 here, 4th of 12 months, against 7.3/10 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.

Plan for peak pricing, with this is one of the busiest months here.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Seljalandsfoss in August?
In August, Seljalandsfoss averages 10°C, 156 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 5.9/10.
Is August a good time to visit Seljalandsfoss?
August earns a 5.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Seljalandsfoss in August?
Expect about 156 mm of rain in August. Average humidity is 87% and there are about 10 days with 6+ hours of sunshine.

Curated in Seljalandsfoss

Tickets & experiences

Things to do in Seljalandsfoss

Seljalandsfoss, Iceland. Live activities and tours from GetYourGuide, matched to this destination.