Weather statistics for Gullholmen observation site, Moss (Østfold)

  1. Warning sign

    Ongoing: High forest fire danger (Southern Norway)

    Locally severe grass-, heather- and forest fire hazard until precipitation of significant amount.


    1. Sunday May 27, 2018 12:00
      Increasing danger
    2. Ukjent sluttidspunkt

    Vegetation is very easily ignited and very large areas may be affected. Be very careful with open fire.

Gullholmen observation station (17280)

The station is located in Moss municipality, 14 m.a.s.l. It is the closest official weather station, 0.0 km away from Gullholmen observation site. The station was established in November 2000. The station measures temperature and wind. There are no normals for precipitation. There may be missing data.

Last 30 days: Average temperature was 13.0 °C, 3.6 °C above the normal. Highest temperature was 27.1 °C (27 May), and the lowest was 2.7 °C (29 April). Highest wind speed was 13.8 m/s (17 May).

Last 13 full months: Highest temperature was 27.1 °C (27. May. 2018) and the lowest -11.7 °C (1. Mar. 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
Apr 2018 5.5°C 14.7°C Apr 25 -3.3°C Apr 3 4.3 m/s 14.4 m/s Apr 6
Mar 2018 -1.6°C 8.0°C Mar 20 -11.7°C Mar 1 4.6 m/s 12.3 m/s Mar 23
Feb 2018 -2.8°C 2.4°C Feb 9 -11.6°C Feb 28 5.5 m/s 16.2 m/s Feb 15
Jan 2018 -0.3°C 6.3°C Jan 24 -5.3°C Jan 10 4.9 m/s 18.3 m/s Jan 25
Dec 2017 1.5°C 9.2°C Dec 7 -5.1°C Dec 13 4.7 m/s 19.8 m/s Dec 8
Nov 2017 4.2°C 11.4°C Nov 2 -6.0°C Nov 22 5.8 m/s 19.8 m/s Nov 23
Oct 2017 8.9°C 17.1°C Oct 16 3.3°C Oct 31 5.2 m/s 17.0 m/s Oct 29
Sep 2017 13.0°C 19.1°C Sep 2 7.3°C Sep 21 3.8 m/s 14.8 m/s Sep 12
Aug 2017 15.9°C 22.0°C Aug 16 11.0°C Aug 23 4.6 m/s 16.3 m/s Aug 7
Jul 2017 17.7°C 25.2°C Jul 23 11.6°C Jul 5 3.7 m/s 12.3 m/s Jul 31
Jun 2017 14.9°C 25.7°C Jun 18 8.9°C Jun 1 5.2 m/s 14.8 m/s Jun 7
May 2017 10.8°C 21.2°C May 6 1.5°C May 10 4.7 m/s 14.9 m/s May 8
Apr 2017 5.5°C 17.6°C Apr 7 -1.7°C Apr 16 5.6 m/s 17.4 m/s Apr 21