May weather forecast
Fredrikstad, Norway

May brings a considerable warming trend to Fredrikstad, as temperatures often reach 15°C (59°F). The sea temperature shows a similar increase as it reaches 11.1°C (52°F). An increase in daylight hours enriches life, making it a vibrant month. This month marks the transition from spring to summer, taking the city into a whole new phase of the year. It's a pivotal month where changes in the weather pattern become more noticeable.

Temperature

Noticing a change, the average high-temperature in Fredrikstad during May moves from April's chilly 9°C (48.2°F) to a refreshing 15°C (59°F). Fredrikstad, in May, witnesses an average low-temperature of 5°C (41°F).

Rainfall

In Fredrikstad, in May, during 13 rainfall days, 56mm (2.2") of precipitation is typically accumulated. In Fredrikstad, during the entire year, the rain falls for 179 days and collects up to 808mm (31.81") of precipitation.

Sea temperature

In May, the average sea temperature is 11.1°C (52°F).
Note: With the appropriate swimsuit, one can swim in 11.1°C (52°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.

Daylight

In May, the average length of the day is 17h and 1min.
On the first day of the month, sunrise is at 05:16 and sunset at 21:10. On the last day of May, in Fredrikstad, sunrise is at 04:13 and sunset at 22:15 CEST.

Sunshine

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

UV index

In May, the average daily maximum UV index in Fredrikstad is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.