Monthly weather forecast and climate
Stykkishólmur, Iceland

Weather in January

January, the same as December, is another cold winter month in Stykkishólmur, Iceland, with average temperature varying between -1.5°C (29.3°F) and 1.1°C (34°F). In January, the average high-temperature is relatively the same as in December - a still wintry 1.1°C (34°F). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Stykkishólmur, Iceland, with average temperature ranging between min -1.8°C (28.8°F) and max 1.1°C (34°F). In February, the average high-temperature remains the same as in January - a still wintry 1.1°C (34°F). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Stykkishólmur, Iceland, with average temperature fluctuating between -1.6°C (29.1°F) and 1.2°C (34.2°F). In March, the average high-temperature is almost the same as in February - a still wintry 1.2°C (34.2°F). Weather in March »

Weather in April

April, like March, in Stykkishólmur, Iceland, is another cold spring month, with temperature in the range of an average low of 0.5°C (32.9°F) and an average high of 3.7°C (38.7°F). In Stykkishólmur, the average high-temperature is essentially the same as in March - a still cold 3.7°C (38.7°F). Weather in April »

Weather in May

May, the last month of the spring, in Stykkishólmur, is a chilly month, with average temperature ranging between max 6.8°C (44.2°F) and min 3.3°C (37.9°F). In May, the average high-temperature slightly increases, from a wintry 3.7°C (38.7°F) in April, to a frosty 6.8°C (44.2°F). Weather in May »

Weather in June

The first month of the summer, June, is a fresh month in Stykkishólmur, Iceland, with average temperature varying between 10.3°C (50.5°F) and 6.7°C (44.1°F). In Stykkishólmur, the average high-temperature marginally rises, from a chilly 6.8°C (44.2°F) in May, to a fresh 10.3°C (50.5°F). Weather in June »

Weather in July

July, the same as June, is another fresh summer month in Stykkishólmur, Iceland, with average temperature varying between 12.1°C (53.8°F) and 8.3°C (46.9°F). With an average high-temperature of 12.1°C (53.8°F) and an average low-temperature of 8.3°C (46.9°F), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another cool month in Stykkishólmur, Iceland, with temperature in the range of an average high of 11.2°C (52.2°F) and an average low of 7.7°C (45.9°F). In Stykkishólmur, the average high-temperature in August is relatively the same as in July - a still fresh 11.2°C (52.2°F). Weather in August »

Weather in September

The first month of the autumn, September, is also a frosty month in Stykkishólmur, Iceland, with average temperature varying between 8.5°C (47.3°F) and 6°C (42.8°F). In September, the average high-temperature is practically the same as in August - a frosty 8.5°C (47.3°F). Weather in September »

Weather in October

October, the same as September, is a wintry autumn month in Stykkishólmur, Iceland, with average temperature varying between 2.7°C (36.9°F) and 5°C (41°F). In October, the average high-temperature slightly decreases, from a frosty 8.5°C (47.3°F) in September, to a cold 5°C (41°F). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Stykkishólmur, Iceland, with average temperature varying between 0.3°C (32.5°F) and 2.5°C (36.5°F). In Stykkishólmur, the average high-temperature is practically the same as in October - a still wintry 2.5°C (36.5°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Stykkishólmur, Iceland, with average temperature fluctuating between -1.8°C (28.8°F) and 0.7°C (33.3°F). The coldest month is December, with an average high-temperature of 0.7°C (33.3°F) and an average low-temperature of -1.8°C (28.8°F). Weather in December »
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FAQ

What is the most humid month in Stykkishólmur?

Months with the highest humidity in Stykkishólmur, Iceland, are January, February and October, with an average relative humidity of 83%.

How many days does it rain in Stykkishólmur?

Throughout the year, in Stykkishólmur, there are 139.6 rainfall days, and 351mm (13.82") of precipitation is accumulated.

What is the rainiest month in Stykkishólmur?

The month with the most rainfall in Stykkishólmur, Iceland, is January when the rain falls for 9.3 days and typically aggregates up to 40mm (1.57") of precipitation.

When does it snow in Stykkishólmur?

Months with snowfall in Stykkishólmur, Iceland, are January through May, October through December.

How much does it snow in Stykkishólmur?

Throughout the year, in Stykkishólmur, there are 64.8 snowfall days, and 403mm (15.87") of snow is accumulated.

When is the lowest UV index in Stykkishólmur?

January, February, April, October through December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the snowiest month in Stykkishólmur?

The month with the most snowfall in Stykkishólmur is March when snow falls for 11.2 days and typically aggregates up to 97mm (3.82") of snow.

What month is the sea coldest in Stykkishólmur?

March is the month with the coldest seawater, with an average sea temperature of 2.1°C (35.8°F).

What is the least humid month in Stykkishólmur?

May is the least humid month in Stykkishólmur, with an average relative humidity of 77%.

What month has the most sunshine in Stykkishólmur?

With an average of 7.3h of sunshine, May has the most sunshine of the year in Stykkishólmur, Iceland.

When it does not snow in Stykkishólmur?

June through September are months without snowfall.

When are the longest days in Stykkishólmur?

June has the longest days of the year, with an average of 21.8h of daylight.

What is the month with the least sunshine in Stykkishólmur?

June has the least sunshine of the year, with an average of 0.8h of sunshine.

What is the month with the highest UV index in Stykkishólmur?

Months with the highest UV index in Stykkishólmur are June through August, with an average maximum UV index of 3.

What is the warmest month in Stykkishólmur?

With an average high-temperature of 12.1°C (53.8°F) and an average low-temperature of 8.3°C (46.9°F), July is the warmest month.

What is the driest month in Stykkishólmur?

July is the month with the least rainfall. Rain falls for 11.1 days and accumulates 17mm (0.67") of precipitation.

When is the sea warmest in Stykkishólmur?

With an average sea temperature of 10.3°C (50.5°F), August is the month with the warmest seawater.

What is the coldest month in Stykkishólmur?

With an average high-temperature of 0.7°C (33.3°F) and an average low-temperature of -1.8°C (28.8°F), December is the coldest month in Stykkishólmur.

What is the month with the shortest days in Stykkishólmur?

With an average of 3.8h of daylight, December has the shortest days of the year in Stykkishólmur, Iceland.

Average temperature
Stykkishólmur, Iceland

Average temperature - Stykkishólmur, Iceland

The warmest month (with the highest average high temperature) is July (12.1°C).
The month with the lowest average high temperature is December (0.7°C).

The month with the highest average low temperature is July (8.3°C).
The coldest months (with the lowest average low temperature) are February and December (-1.8°C).

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Average pressure
Stykkishólmur, Iceland

Average pressure - Stykkishólmur, Iceland

The month with the highest atmospheric pressure is June (1014.1mbar).
The month with the lowest atmospheric pressure is January (996.7mbar).

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Average wind speed
Stykkishólmur, Iceland

Average wind speed - Stykkishólmur, Iceland

The windiest month (with the highest average wind speed) is February (25.9km/h).
The calmest month (with the lowest average wind speed) is June (14.6km/h).

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Average humidity
Stykkishólmur, Iceland

Average humidity - Stykkishólmur, Iceland

Months with the highest relative humidity are January, February and October (83%).
The month with the lowest relative humidity is May (77%).

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Average rainfall
Stykkishólmur, Iceland

Average rainfall - Stykkishólmur, Iceland

The wettest month (with the highest rainfall) is January (40mm).
The driest month (with the least rainfall) is July (17mm).

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Average rainfall days
Stykkishólmur, Iceland

Average rainfall days - Stykkishólmur, Iceland

The month with the highest number of rainy days is October (15.7 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall
Stykkishólmur, Iceland

Average snowfall - Stykkishólmur, Iceland

The month with the highest snowfall is March (97mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days
Stykkishólmur, Iceland

Average snowfall days - Stykkishólmur, Iceland

The month with the highest number of snowfall days is January (11.6 days).
Months with the least snowfall days are July and August (0 days).

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Average sea temperature
Stykkishólmur, Iceland

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).

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Average daylight / Average sunshine
Stykkishólmur, Iceland

Average daylight / Average sunshine - Stykkishólmur, Iceland

The month with the longest days is June (Average daylight: 21.8h).
The month with the shortest days is December (Average daylight: 3.8h).

The month with the most sunshine is May (Average sunshine: 7.3h).
The month with the least sunshine is June (Average sunshine: 0.8h).

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Average sunshine days
Stykkishólmur, Iceland

Average sunshine days - Stykkishólmur, Iceland

Months with the most sunshine days are June and July (16.8 days).
The month with the least sunshine days is March (9.1 days).

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Average UV index
Stykkishólmur, Iceland

Average UV index - Stykkishólmur, Iceland

Months with the highest UV index are June, July and August (UV index 3).
Months with the lowest UV index are January, February, April, October, November and December (UV index 1).

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Average visibility
Stykkishólmur, Iceland

Average visibility - Stykkishólmur, Iceland

Months with the highest visibility are June and July (10km).
Months with the lowest visibility are January, February, March, April, May, August, September, October, November and December (9km).

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