May weather forecast
Kálfafell, Iceland

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Weather in May

May, the last month of the spring in Kálfafell, is a frosty month, with temperature in the range of an average high of 6.3°C (43.3°F) and an average low of 2.1°C (35.8°F).

Temperature

The start of May sees the average high-temperature at a frosty 6.3°C (43.3°F), showing little difference from April's 3.7°C (38.7°F). May nights anticipate an average temperature of 2.1°C (35.8°F), a modest decline from the daytime.

Humidity

The months with the lowest humidity are May and December, with an average relative humidity of 79%.

Rainfall

In Kálfafell, during May, the rain falls for 16.2 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, in Kálfafell, there are 187.1 rainfall days, and 1193mm (46.97") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Kálfafell. May is the last month it regularly snows. During 2.3 snowfall days, in May, Kálfafell aggregates 42mm (1.65") of snow. Throughout the year, in Kálfafell, Iceland, there are 62.5 snowfall days, and 893mm (35.16") of snow is accumulated.

Daylight

In May, the average length of the day in Kálfafell is 18h and 25min.
On the first day of the month, sunrise is at 04:41 and sunset at 21:34. On the last day of May, sunrise is at 03:09 and sunset at 23:07 GMT.

Sunshine

The average sunshine in May is 8.3h.

UV index

In Kálfafell, the average daily maximum UV index in May is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 2 during May, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

How cold is it in Kálfafell in May?

The high-temperature, in May, in Kálfafell, is 6.3°C (43.3°F), while the low-temperature averages to 2.1°C (35.8°F).

What is the least humid month in Kálfafell?

The months with the lowest humidity are May and December, with an average relative humidity of 79%.

What is the average humidity in May in Kálfafell?

In Kálfafell, Iceland, the average relative humidity in May is 79%.

How much does it rain in Kálfafell in May?

In May, the rain falls for 16.2 days. Throughout May, 68mm (2.68") of precipitation is accumulated.

What is the last month it snows in Kálfafell?

May is the last month it regularly snows in Kálfafell, Iceland. During 2.3 snowfall days, in May, Kálfafell aggregates 42mm (1.65") of snow.

What is the average length of the day in May in Kálfafell?

The average day length in May is 18h and 25min.

When are sunrise and sunset in May in Kálfafell?

On the first day of May in Kálfafell, Iceland, sunrise is at 04:41 and sunset at 21:34. On the last day of the month, sunrise is at 03:09 and sunset at 23:07 GMT.

How many hours of sunshine does Kálfafell have in May?

In May, the average sunshine duration in Kálfafell, Iceland, is 8.3h.

What is the UV index reading in May in Kálfafell?

In Kálfafell, the average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Kálfafell, Iceland

Average temperature in May - Kálfafell, Iceland
  • Average high temperature in May: 6.3°C

The warmest month (with the highest average high temperature) is July (10.6°C).
The month with the lowest average high temperature is December (0.6°C).

  • Average low temperature in May: 2.1°C

The month with the highest average low temperature is July (7.2°C).
The coldest month (with the lowest average low temperature) is December (-3.6°C).

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Average pressure in May
Kálfafell, Iceland

Average pressure in May - Kálfafell, Iceland
  • Average pressure in May: 1012.6mbar

The month with the highest atmospheric pressure is June (1014mbar).
The month with the lowest atmospheric pressure is January (997.7mbar).

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Average wind speed in May
Kálfafell, Iceland

Average wind speed in May - Kálfafell, Iceland
  • Average wind speed in May: 16.4km/h

The windiest month (with the highest average wind speed) is February (22.2km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).

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Average humidity in May
Kálfafell, Iceland

Average humidity in May - Kálfafell, Iceland
  • Average humidity in May: 79%

The month with the highest relative humidity is September (83%).
The months with the lowest relative humidity are May and December (79%).

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Average rainfall in May
Kálfafell, Iceland

Average rainfall in May - Kálfafell, Iceland
  • Average rainfall in May: 68mm

The wettest month (with the highest rainfall) is December (135mm).
The driest month (with the least rainfall) is June (46mm).

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Average rainfall days in May
Kálfafell, Iceland

Average rainfall days in May - Kálfafell, Iceland
  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is September (20.1 days).
The month with the least rainy days is February (12.5 days).

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Average snowfall in May
Kálfafell, Iceland

Average snowfall in May - Kálfafell, Iceland
  • Average snowfall in May: 42mm

The month with the highest snowfall is January (209mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Kálfafell, Iceland

Average snowfall days in May - Kálfafell, Iceland
  • Average snowfall days in May: 2.3 days

The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Kálfafell, Iceland

Average daylight in May / Average sunshine in May - Kálfafell, Iceland
  • Average daylight in May: 18h and 2min

The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in May
Kálfafell, Iceland

Average sunshine days in May - Kálfafell, Iceland
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is March (8 days).

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Average UV index in May
Kálfafell, Iceland

Average UV index in May - Kálfafell, Iceland
  • Average UV index in May: 2

The month with the highest UV index is July (UV index 3).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in May
Kálfafell, Iceland

Average cloud cover in May - Kálfafell, Iceland
  • Average cloud cover in May: 55

The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 54).

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Average visibility in May
Kálfafell, Iceland

Average visibility in May - Kálfafell, Iceland
  • Average visibility in May: 9km

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

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Kálfafell, Iceland

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