Stockholm
Sweden
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Stockholm, Sweden

A beautiful view of the sunset over the port city of Stockholm, Sweden, with a clear sky and surrounding calm waters
A beautiful view of the sunset over the port city of Stockholm, Sweden, with a clear sky and surrounding calm waters
The last month of the spring, May, is a mild month in Stockholm, Sweden, with average temperature varying between 6.3°C (43.3°F) and 15.7°C (60.3°F).

Temperature

In Stockholm, the average high-temperature in May increases, from a frosty 8.6°C (47.5°F) in April, to a mild 15.7°C (60.3°F). In Stockholm, Sweden, the average low-temperature is 6.3°C (43.3°F).

Rainfall

In Stockholm, it is raining for 6 days, with typically 32mm (1.3") of accumulated precipitation. In Stockholm, Sweden, during the entire year, the rain falls for 99 days and collects up to 528mm (20.8") of precipitation.

Sea temperature

In Stockholm, in May, the average water temperature is 7.5°C (45.5°F).
Note: 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 in May is 17h.

Sunshine

The average sunshine in Stockholm is 8.9h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Stockholm?

The average high-temperature, in May, in Stockholm, is 15.7°C (60.3°F), while the average low-temperature is 6.3°C (43.3°F).

How many days does it rain in May in Stockholm?

In May, in Stockholm, the rain falls for 6 days. Throughout May, 32mm (1.3") of precipitation is accumulated.

What is the sea water temperature in May in Stockholm?

In May, the average sea temperature in Stockholm is 7.5°C (45.5°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.

How many hours of daylight does Stockholm have in May?

In Stockholm, Sweden, the average length of the day in May is 17h.

How many hours of sunshine does Stockholm have in May?

The average sunshine in May is 8.9h.

What is the UV index intensity in May in Stockholm?

The average daily maximum UV index in May in Stockholm, Sweden, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Stockholm, Sweden
  • Average high temperature in May: 15.7°C

The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-0.7°C).

  • Average low temperature in May: 6.3°C

The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is February (-5.3°C).

Average rainfall in May - Stockholm, Sweden
  • Average rainfall in May: 32mm

The wettest month (with the highest rainfall) is July (65mm).
The driest month (with the lowest rainfall) is February (27mm).

Average rainfall days in May - Stockholm, Sweden
  • Average rainfall days in May: 6 days

Months with the highest number of rainy days are November and December (10 days).
Months with the lowest number of rainy days are April and May (6 days).

Average sea temperature in May - Stockholm, Sweden
  • Average sea temperature in May: 7.5°C

The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).

Average daylight in May / Average sunshine in May - Stockholm, Sweden
  • Average daylight in May: 17h

The month with the longest days is June (Average daylight: 18.5h).
The month with shortest days is December (Average daylight: 6.2h).

  • Average sunshine in May: 8.9h

The month with most sunshine is June (Average sunshine: 9.7h).
The month with least sunshine is December (Average sunshine: 1.1h).

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).