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.