Weather statistics for Rognsundet observation site, Alta (Finnmark)

  1. Warning sign

    Expected: Heavy rainshowers (Finnmark)

    On Sunday we expect locally heavy showers of rain and hail, with local thunderstorms. Intensity up to 15 mm/hour.


    1. Sunday July 22, 2018 10:00
      Increasing danger
    2. Monday July 23, 2018 00:00
      Danger is over

    Risk of storm water in urban areas, local flooding, stream bank erosion, changing waterways, shallow landslides at locations impacted by showers. Assess the need for preventive measures.

Rognsundet observation station (94230)

The station is located in Alta municipality, 18 m.a.s.l. It is the closest official weather station, 0.0 km away from Rognsundet observation site. The station was established in July 2010. The station measures temperature and wind. There are no normals for precipitation and temperature. There may be missing data.

Last 30 days: Highest temperature was 26.1 °C (19 July), and the lowest was 5.4 °C (29 June). Highest wind speed was 16.8 m/s (27 June).

Last 13 full months: Highest temperature was 26.1 °C (19. Jul. 2018) and the lowest -14.5 °C (24. Jan. 2018).

Graph explanation. Hide explanation

The black line shows mean value (both precipitation and temperature). Some stations does not have mean values, and hence no black line.

The red/blue line shows average temperature during the day (24h) (equalized for 30 days). The line is red by pluss degrees, and blue by minus degrees.

The red/blue areas shows the temperature variations throughout the day (24h) with max- and min. temperature as endpoints. The area is red by pluss degrees, and blue by minus degrees.

The lightblue bars shows total precipitation this month. The black lines crossing is the normal (mean) value for precipitation.

The dark grey bars behind the precipitation bars shows snowdepth measured day by day.

Some stations only measures precipitation, while others only measures temperature. If an area or bar is missing the station does not measure this data.

NB! Precipitation is measured at 07 hours Norwegian time. The value (in mm) shows last 24 hours until 07 hours (08 hours summertime). Download other weather statistics from

Tabular view for temperature and precipitation per month
Months Temperature Wind
Average Normal Warmest Coldest Average Strongest
Jun 2018 7.4°C 20.5°C Jun 18 1.2°C Jun 6 6.7 m/s 17.2 m/s Jun 15
May 2018 6.9°C 15.6°C May 16 -0.6°C May 1 7.2 m/s 21.3 m/s May 26
Apr 2018 1.0°C 5.5°C Apr 24 -4.6°C Apr 2 5.5 m/s 16.3 m/s Apr 11
Mar 2018 -4.4°C 4.1°C Mar 17 -11.9°C Mar 8 7.3 m/s 18.0 m/s Mar 30
Feb 2018 -4.6°C 3.5°C Feb 28 -10.5°C Feb 24 10.0 m/s 19.2 m/s Feb 9
Jan 2018 -3.9°C 6.1°C Jan 13 -14.5°C Jan 24 10.3 m/s 26.3 m/s Jan 8
Dec 2017 -1.2°C 7.7°C Dec 20 -10.0°C Dec 8 8.9 m/s 23.3 m/s Dec 21
Nov 2017 -1.7°C 2.9°C Nov 30 -8.0°C Nov 23 9.4 m/s 18.0 m/s Nov 24
Oct 2017
Sep 2017 -1.3°C -0.1°C Sep 4 -2.9°C Sep 3 6.4 m/s 9.4 m/s Sep 3
Aug 2017 10.5°C
Jul 2017 12.5°C
Jun 2017 6.2°C