Fredrikstad
Norway
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Fredrikstad, Norway

The last month of the spring, May, is a moderate month in Fredrikstad, Norway, with average temperature varying between 15°C (59°F) and 5°C (41°F).

Temperature

In May, the average high-temperature rises, from a frosty 9°C (48.2°F) in April, to a moderate 15°C (59°F). In May, in Fredrikstad, the average low-temperature is 5°C (41°F).

Rainfall

In Fredrikstad, during 13 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 179 rainfall days, and 808mm (31.8") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 11.1°C (52°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

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

Sunshine

The average sunshine in May is 7h.

UV index

In May, the average daily maximum UV index in Fredrikstad is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Fredrikstad?

In Fredrikstad, Norway, in May, the average high-temperature is 15°C (59°F), and the average low-temperature is 5°C (41°F).

How many days does it rain in May in Fredrikstad?

In Fredrikstad, during May, the rain falls for 13 days and regularly aggregates up to 56mm (2.2") of precipitation.

How cold is the water in May in Fredrikstad?

In May, the average sea temperature in Fredrikstad, Norway, is 11.1°C (52°F). Swimming in 11.1°C (52°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Fredrikstad have in May?

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

How many hours of sunshine does Fredrikstad have in May?

In Fredrikstad, the average sunshine in May is 7h.

How high is the UV index in May in Fredrikstad?

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.
Average temperature in May - Fredrikstad, Norway
  • Average high temperature in May: 15°C

The warmest month (with the highest average high temperature) is July (21°C).
Months with the lowest average high temperature are January and February (0°C).

  • Average low temperature in May: 5°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

Average rainfall in May - Fredrikstad, Norway
  • Average rainfall in May: 56mm

The wettest month (with the highest rainfall) is October (104mm).
Driest months (with the lowest rainfall) are February and April (42mm).

Average rainfall days in May - Fredrikstad, Norway
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is November (18 days).
The month with the lowest number of rainy days is April (12 days).

Average sea temperature in May - Fredrikstad, Norway
  • Average sea temperature in May: 11.1°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight in May / Average sunshine in May - Fredrikstad, Norway
  • 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: 6.3h).

  • Average sunshine in May: 7h

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 - Fredrikstad, Norway
  • 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).