May Weather in Harstad

Last updated: March 2, 2024

The weather in Harstad, Norway, during May is characterized by an average temperature of 6°C (42°F). Highs can soar to 17°C (63°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Harstad throughout May hovers around 77%.

-4°C (25°F)

Minimum temperature

6°C (42°F)

Average temperature

17°C (63°F)

Maximum temperature

77%

Humidity

Precipitation and Sunshine hours

In May, Harstad averages 85 mm (3.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 21 hours 33 minutes of daylight, with the sun shining for approximately 14 hours 40 minutes each day. Additionally, there is a 24% probability of sunny days during this period.

85 mm (3.4 inches)

Precipitation

15 rainy days

Rainy days

14 hours 40 minutes

Sunshine hours

24%

Chance of sun

UV Index

In May, the UV Index in Harstad reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	2	3	4	4	4	4	4	3	2	2	1
Exposure	Low			Moderate							Low
Time to burn	45 min			30 min							45 min