July weather forecast
Seltjarnarnes, Iceland

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Weather in July

Residing in Seltjarnarnes in July means experiencing the epitome of Icelandic summer, with weather conditions at their peak. The month presents the highest sea temperature for the year, reaching up to 11.3°C (52.3°F). July's pleasant weather differentiates it from June, providing ample daylight hours and warmer temperatures. However, the end of this month starts hinting at a subtle shift in weather patterns. The transition towards August signals a gradual decrease in day length, a trend that continues into the ensuing months.

Sea temperature

July and August, with an average sea temperature of 11.3°C (52.3°F), are months with the warmest seawater.
Note: It is advised against swimming in 11.3°C (52.3°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

In Seltjarnarnes, the average length of the day in July is 19h and 35min.
On the first day of July, sunrise is at 03:07 and sunset at 23:56. On the last day of the month, sunrise is at 04:34 and sunset at 22:34 GMT.
Updated: Feb 10, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the months with the warmest sea water in Seltjarnarnes?

The months with the warmest seawater in Seltjarnarnes are July and August, with an average sea temperature of 11.3°C (52.3°F).

What is the sea water temperature in July in Seltjarnarnes?

In July, the average sea temperature in Seltjarnarnes is 11.3°C (52.3°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in July in Seltjarnarnes?

In July, the average day length is 19h and 35min.

When are sunrise and sunset in July in Seltjarnarnes?

In July, on the first day of the month, sunrise is at 03:07 and sunset at 23:56. On the last day of the month, in Seltjarnarnes, Iceland, sunrise is at 04:34 and sunset at 22:34 GMT.

Average sea temperature in July
Seltjarnarnes, Iceland

Average sea temperature in July - Seltjarnarnes, Iceland
  • Average sea temperature in July: 11.3°C

The best months for swimming (with the highest average sea temperature) are July and August (11.3°C).
The coldest month (with the lowest average sea temperature) is March (4.3°C).

Average daylight in July
Seltjarnarnes, Iceland

Average daylight in July - Seltjarnarnes, Iceland
  • Average daylight in July: 19h and 4min

The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).

Seltjarnarnes, Iceland

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