Monthly weather forecast and climate
Stykkishólmur, Iceland

What is the coldest month in Stykkishólmur?

The coldest month is January, with an average high-temperature of 1°C (33.8°F) and an average low-temperature of -3.6°C (25.5°F).

How many days does it rain in Stykkishólmur?

In Stykkishólmur, Iceland, during the entire year, the rain falls for 181.6 days and collects up to 703.9mm (27.7") of precipitation.

What is the month with the coldest sea water in Stykkishólmur?

Month with the coldest seawater is March, with an average sea temperature of 2.1°C (35.8°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the driest month in Stykkishólmur?

May is the month with the least rainfall in Stykkishólmur. Rain falls for 11.8 days and accumulates 33.7mm (1.3") of precipitation.

What is the warmest month in Stykkishólmur?

July is the warmest month in Stykkishólmur, Iceland, with an average high-temperature of 12.8°C (55°F) and an average low-temperature of 7.8°C (46°F).

What month is the sea warmest in Stykkishólmur?

Month with the warmest seawater is August, with an average sea temperature of 10.3°C (50.5°F). Swimming in 10.3°C (50.5°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the rainiest month in Stykkishólmur?

October is the month with the most rainfall. Rain falls for 17.2 days and accumulates 80.3mm (3.2") of precipitation.
Average rainfall - Stykkishólmur, Iceland

The wettest month (with the highest rainfall) is October (80.3mm).
The driest month (with the lowest rainfall) is May (33.7mm).

Average rainfall days - Stykkishólmur, Iceland

The month with the highest number of rainy days is March (17.6 days).
The month with the lowest number of rainy days is May (11.8 days).

Average sea temperature - Stykkishólmur, Iceland

The best month for swimming (with the highest average sea temperature) is August (10.3°C).
The coldest month (with the lowest average sea temperature) is March (2.1°C).

Average daylight - Stykkishólmur, Iceland

The month with the longest days is June (Average daylight: 21.7h).
The month with shortest days is December (Average daylight: 3.8h).

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