Narvik, where it's located

The climate of Narvik is moderately continental, with cold winters, during which the average temperature is a few degrees below freezing, and mild summers.
The city is located on the Norwegian coast, within a fjord, and at the 68th parallel, so, to the north of the Arctic Circle. Consequently, the sun does not rise (polar night) from 6 December to 6 January, while it does not set from 25 May to 20 July. The white nights occur by April 15th and until August 29th.
The average temperature of the coldest month (January) is of -4 °C (25 °F), that of the warmest month (July) is of 14.8 °C (59 °F). The temperature dropped to -20 °C (-4 °F) in January 1999 and to -19.3 °C (-2.7 °F) in February 2012, while it reached 32.5 °C (90.5 °F) in July 2014. Here are the average temperatures.
Narvik - Average temperatures
Min (°C)-6-4-30481110720-3
Max (°C)-21361215181814732
Min (°F)212527323946525045363227
Max (°F)283437435459646457453736

Precipitation amounts to 830 millimeters (32.7 inches) per year: so, it is at an intermediate level. It ranges from 40 mm (1.6 in) in the driest month (May) to 110 mm (4.3 in) in the wettest (October). Here is the average precipitation.
Narvik - Average precipitation

The sea temperature ranges between 4 °C (39 °F) and 12 °C (54 °F). So, it is cold all year round. Here are the average sea temperatures.
Narvik - Sea temperature
Temp (°C)554468111210976
Temp (°F)414139394346525450484543


Best Time

The best time to visit Narvik is the summer, in July and August, since they are the mildest months. However, you must take into account cloudy skies, some rain and a bit of cold at night.