Kalmar
Sweden
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Kalmar, Sweden

The last month of the spring, May, is an enjoyable month in Kalmar, Sweden, with average temperature fluctuating between 16.1°C (61°F) and 5.4°C (41.7°F).

Temperature

In May, the average high-temperature increases, from a cool 11.1°C (52°F) in April, to an enjoyable 16.1°C (61°F). The average low-temperature, in May, is 5.4°C (41.7°F).

Rainfall

In Kalmar, it is raining for 10 days, with typically 34.7mm (1.4") of accumulated precipitation. In Kalmar, during the entire year, the rain falls for 154 days and collects up to 483.3mm (19") of precipitation.

Sea temperature

In May, the average sea temperature in Kalmar is 8.1°C (46.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

The average length of the day is 16.5h.

Sunshine

In May, the average sunshine in Kalmar is 8h.

UV index

In May, the average daily maximum UV index in Kalmar is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Kalmar?

In Kalmar, in May, the average high-temperature is 16.1°C (61°F), and the average low-temperature is 5.4°C (41.7°F).

How many days does it rain in May in Kalmar?

In Kalmar, Sweden, in May, it is raining for 10 days, with typically 34.7mm (1.4") of accumulated precipitation.

How cold is the water in May in Kalmar?

In Kalmar, the average seawater temperature in May is 8.1°C (46.6°F). Swimming in 8.1°C (46.6°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 Kalmar?

In Kalmar, Sweden, the average length of the day in May is 16.5h.

How long on average sun shines in May in Kalmar?

In May, the average sunshine in Kalmar is 8h.

What is the UV index reading in May in Kalmar?

In May, the average daily maximum UV index in Kalmar is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.
Average temperature in May - Kalmar, Sweden
  • Average high temperature in May: 16.1°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in May: 5.4°C

The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).

Average rainfall in May - Kalmar, Sweden
  • Average rainfall in May: 34.7mm

The wettest month (with the highest rainfall) is July (59.5mm).
The driest month (with the lowest rainfall) is February (28.9mm).

Average rainfall days in May - Kalmar, Sweden
  • Average rainfall days in May: 10 days

The month with the highest number of rainy days is January (17 days).
The month with the lowest number of rainy days is June (9 days).

Average sea temperature in May - Kalmar, Sweden
  • Average sea temperature in May: 8.1°C

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

Average daylight in May / Average sunshine in May - Kalmar, Sweden
  • Average daylight in May: 16.5h

The month with the longest days is June (Average daylight: 17.7h).
The month with shortest days is December (Average daylight: 6.9h).

  • Average sunshine in May: 8h

The month with most sunshine is June (Average sunshine: 9h).
Months with least sunshine are January and December (Average sunshine: 1).

Average UV index in May - Kalmar, Sweden
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, November and December (UV index 0).