May weather forecast
Karlskrona, Sweden

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Weather in May

The last month of the spring, May, is a fresh month in Karlskrona, Sweden, with an average temperature fluctuating between 12.8°C (55°F) and 8.1°C (46.6°F).

Temperature

The start of May brings a subtle shift in the average high-temperature, edging up from April's chilly 8.4°C (47.1°F) to a fresh 12.8°C (55°F). Karlskrona registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 8.1°C (46.6°F) during May.

Humidity

April and May, with an average relative humidity of 75%, are the least humid months in Karlskrona.

Rainfall

In Karlskrona, Sweden, during May, the rain falls for 11.3 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 150.2 rainfall days, and 411mm (16.18") of precipitation is accumulated.

Snowfall

In Karlskrona, snow does not fall in May through October.

Sea temperature

In May, the average sea temperature in Karlskrona is 8.2°C (46.8°F).
Note: Immersing oneself in 8.2°C (46.8°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The average length of the day in May is 16h and 23min.
On the first day of the month, sunrise is at 05:11 and sunset at 20:38. On the last day of May, in Karlskrona, sunrise is at 04:18 and sunset at 21:32 CEST.

Sunshine

In Karlskrona, the average sunshine in May is 9.8h.

UV index

The average daily maximum UV index in May in Karlskrona is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in May in Karlskrona?

May temperatures vary between a high-temperature of 12.8°C (55°F) and a low-temperature of 8.1°C (46.6°F).

What are the least humid months in Karlskrona?

April and May, with an average relative humidity of 75%, are the least humid months in Karlskrona, Sweden.

What is the average humidity in May in Karlskrona?

In May, the average relative humidity in Karlskrona, Sweden, is 75%.

How much does it rain in Karlskrona in May?

In Karlskrona, Sweden, in May, it is raining for 11.3 days, with typically 23mm (0.91") of accumulated precipitation.

When it does not snow in Karlskrona?

May through October are months without snowfall.

Does it snow in Karlskrona in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How cold is the water in May in Karlskrona?

In May, the average sea temperature in Karlskrona, Sweden, is 8.2°C (46.8°F). Swimming in 8.2°C (46.8°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 average length of the day in May in Karlskrona?

In May, the average day length in Karlskrona is 16h and 23min.

What time are sunrise and sunset in May in Karlskrona?

On the first day of May, sunrise is at 05:11 and sunset at 20:38. On the last day of the month, sunrise is at 04:18 and sunset at 21:32 CEST.

How long on average sun shines in May in Karlskrona?

In Karlskrona, the average sunshine duration in May is 9.8h.

How high is the UV index in May in Karlskrona?

In Karlskrona, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Karlskrona, Sweden

Average temperature in May - Karlskrona, Sweden
  • Average high temperature in May: 12.8°C

The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (2°C).

  • Average low temperature in May: 8.1°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).

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Average pressure in May
Karlskrona, Sweden

Average pressure in May - Karlskrona, Sweden
  • Average pressure in May: 1015.5mbar

The months with the highest atmospheric pressure are April and May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

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Average wind speed in May
Karlskrona, Sweden

Average wind speed in May - Karlskrona, Sweden
  • Average wind speed in May: 17.7km/h

The windiest month (with the highest average wind speed) is December (24.5km/h).
The calmest month (with the lowest average wind speed) is June (17.5km/h).

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Average humidity in May
Karlskrona, Sweden

Average humidity in May - Karlskrona, Sweden
  • Average humidity in May: 75%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (75%).

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Average rainfall in May
Karlskrona, Sweden

Average rainfall in May - Karlskrona, Sweden
  • Average rainfall in May: 23mm

The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (15mm).

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Average rainfall days in May
Karlskrona, Sweden

Average rainfall days in May - Karlskrona, Sweden
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in May
Karlskrona, Sweden

Average snowfall in May - Karlskrona, Sweden
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in May
Karlskrona, Sweden

Average snowfall days in May - Karlskrona, Sweden
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Karlskrona, Sweden

Average sea temperature in May - Karlskrona, Sweden
  • Average sea temperature in May: 8.2°C

The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest months (with the lowest average sea temperature) are February and March (2.3°C).

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Average daylight in May /
Average sunshine in May
Karlskrona, Sweden

Average daylight in May / Average sunshine in May - Karlskrona, Sweden
  • Average daylight in May: 16h and 2min

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

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Average sunshine days in May
Karlskrona, Sweden

Average sunshine days in May - Karlskrona, Sweden
  • Average sunshine days in May: 17.3 days

The month with the most sunshine days is April (18 days).
The months with the least sunshine days are November and December (9.3 days).

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Average UV index in May
Karlskrona, Sweden

Average UV index in May - Karlskrona, Sweden
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Karlskrona, Sweden

Average cloud cover in May - Karlskrona, Sweden
  • Average cloud cover in May: 36

The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 33).

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Average visibility in May
Karlskrona, Sweden

Average visibility in May - Karlskrona, Sweden
  • Average visibility in May: 10km

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

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Karlskrona, Sweden

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