Weather statistics for Hemsedal (Hollekolten) observation site, Hemsedal (Buskerud)

  1. Applies to Hallingdal

    On Friday we expect moderate avalanche danger for region Hallingdal. Avalanche problem is wind drifted snow (slab avalanches).
    Read more at NVE

    Yellow severity - moderate danger
    Orange severity - considerable danger
    Red severity - extreme danger
    The colour tells you how severe the situation can become (

    InstructionsTravelling in avalanche terrain requires knowledge, experience in route finding and ability to identify the avalanche problem. Generally, it is recommended to avoid terrain steeper than 30 degrees in order to not release an avalanche.

Hemsedal (Hollekolten) observation station (25112)

The station is located in Hemsedal municipality, 807 m.a.s.l. It is the closest official weather station, 0.0 km away from Hemsedal (Hollekolten) observation site. The station was established in December 2006. 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 7.4 °C (31 December), and the lowest was -12.9 °C (19 December). Highest wind speed was 18.0 m/s (11 January).

Last 13 full months: Highest temperature was 28.5 °C (5. Jul. 2018) and the lowest -24.6 °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
Dec 2018 -4.6°C 7.4°C Dec 31 -16.3°C Dec 14 4.2 m/s 13.5 m/s Dec 31
Nov 2018 -2.1°C 7.1°C Nov 4 -13.6°C Nov 26 3.3 m/s 15.0 m/s Nov 10
Oct 2018 2.9°C 16.9°C Oct 10 -11.0°C Oct 29 4.3 m/s 12.6 m/s Oct 22
Sep 2018 6.3°C 20.7°C Sep 18 -0.8°C Sep 29 5.2 m/s 15.7 m/s Sep 20
Aug 2018 10.9°C 22.5°C Aug 1 2.6°C Aug 26 3.7 m/s 13.1 m/s Aug 19
Jul 2018 17.3°C 28.5°C Jul 5 7.7°C Jul 1 4.0 m/s 14.1 m/s Jul 28
Jun 2018 13.1°C 26.9°C Jun 27 2.0°C Jun 6 4.8 m/s 17.0 m/s Jun 19
May 2018 11.4°C 26.8°C May 30 -1.0°C May 1 4.0 m/s 13.5 m/s May 10
Apr 2018 1.0°C 13.7°C Apr 15 -16.4°C Apr 1 3.9 m/s 12.5 m/s Apr 21
Mar 2018 -7.2°C 4.6°C Mar 25 -24.6°C Mar 1 4.1 m/s 12.9 m/s Mar 24
Feb 2018 -8.5°C 0.0°C Feb 23 -20.0°C Feb 4 4.1 m/s 14.4 m/s Feb 15
Jan 2018 -6.5°C 2.0°C Jan 8 -17.3°C Jan 22 3.9 m/s 16.6 m/s Jan 25
Dec 2017 -4.3°C 9.1°C Dec 20 -14.9°C Dec 12 4.4 m/s 13.9 m/s Dec 3