Snowdon Snow History

Is Snowdon snowsure? Check out the Snowdon Snow History graphs below. Select any week of the year to see the typical Ski Conditions, Snowfall Amount and Temperature based on nowcast weather data over the last 11 years. Whether you prefer bluebird conditions, powder days in any weather or just reliable snow in guaranteed sub-zero temperatures you can easily find the best week to go.

This week in history: Snowdon prevailing weather and snow conditions during the last week of July at the middle elevation of the ascent of the mountain at 708m, based on historical averages over the last 10 years: At this time of year the average freezing level (3053m) is far above the middle elevation of Snowdon. Fresh Snow is very unlikely in Snowdon at the end of July but it rains often, with rain falling on three or four days during this particular week of July. Usual temperatures are well above freezing both day and night at the middle elevation in Snowdon during week four of July with the average afternoon temperature 12.8°C and the minimum temperature 11.6°C. Expect the sun to come out on two or three days per week. Mainly light winds (average 17km/h) but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day.

Snowdon Snow Conditions

Best ski days per week in Snowdon (2007 – 2018)

  • Top
    Lift
  • Mid
    Mountain
  • Bottom
    Lift
  • Best ski days:

  • Bluebird Powder day

    (Fresh snow, mostly sunny, light wind)

  • Powder day

    (Fresh snow, limited sun, any wind)

  • Bluebird day

    (Average snow, mostly sunny, light wind)

  • Very windy days:

  • (>30km/h)

Snowdon

Winter
Summer
  • Best ski days:

  • Bluebird Powder day

    (Fresh snow, mostly sunny, light wind)

  • Powder day

    (Fresh snow, limited sun, any wind)

  • Bluebird day

    (Average snow, mostly sunny, light wind)

  • Very windy days:

  • (>30km/h)

The most cherished days on the mountain in Snowdon are Bluebird Powder days when it is mostly sunny with light winds following very recent snowfall. weather conditions may prevail on Powder days when the visibility can be limited but the snow is significantly deep and fresh for keen powder-hounds. Bluebird days can suit many skiers that aren’t necessarily hunting powder but want to enjoy the snowy mountains in sunnier conditions and light winds.

Snowdon Snowfall

Average precipitation (snow/rain) in Snowdon (2007 – 2018)

  • Top
    Lift
  • Mid
    Mountain
  • Bottom
    Lift
  • Precipitation:

  • Snowfall amount

    (bar chart)

  • Days with significant snowfall.

    (>5cm)

  • Days with significant rainfall.

    (>5mm)

Snowdon

Winter
Summer
  • Precipitation:

  • Snowfall amount

    (bar chart)

  • Days with significant snowfall.

    (>5cm)

  • Days with significant rainfall.

    (>5mm)

The snowiest weeks of the year in Snowdon are shown but also bear in mind the number of days that it typically snows each week if you want regular fresh tracks. risk of a rainy day is shown but be sure to switch between elevations to see if lower lifts are rain affected or higher lifts remain snowy despite any rain further down the mountain.

Snowdon Temperature

Average temperature in Snowdon (2007 – 2018)

  • Top
    Lift
  • Mid
    Mountain
  • Bottom
    Lift
  • Average temperature:

  • Maximum

  • Minimum

  • Temperatures:

  • Above freezing

  • Below freezing

  • Freezing level:

  • Dashed line

Snowdon

Winter
Summer
Freezing level
  • Average temperature:

  • Maximum

  • Minimum

  • Temperatures:

  • Above freezing

  • Below freezing

  • Freezing level:

  • Dashed line

The highest and lowest temperatures averaged for each week of the year in Snowdon are shown. Check out the risk of freze-thaw conditions prevailing at different elevations for any given week. We also show the extremes of temperature (blue/red dots) that reveal the chance of unusually warm or cold conditions.

Snowdon snow history summary by month

Snowfall (per week)*Snowy days (per week)*
Snow in December5cm1.9 days
Snow in January6cm2.1 days
Snow in February6cm2.3 days
Snow in March5cm1.9 days
Snow in April3cm0.8 days

* Averages based on historical nowcast data