SnowOdds

ARAI SNOW RESORT

Niigata Prefecture, Japan

Village369 m1,211 ftSummit1,278 m4,193 ft

Painting of ARAI SNOW RESORT

Weather this week

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Best weeks at ARAI SNOW RESORT

SnowOdds score at the summit, out of 100

Pick your week

Bars show each week's SnowOdds score at the summit: fresh snow and base first, then sun, rain and wind.

100
50
NovDecJanFebMarApr

Summit, 1,278 m4,193 ft

8–14 Feb

64/ 100Great

19 of 20 winters had 10 cm4 in or more of fresh snow this week

Snow everywhere. Historically one of the best weeks to be here.

Snow

Weather

How the score works

The SnowOdds score

Every week at every resort gets a score out of 100. Snow sets it, and bad weather can take up to 45% off. The percentages show how much each part counts within snow or weather.

Snow

  • Fresh snow

    60%
  • Base

    25%
  • Powder

    15%

Weather

  • Sun

    50%
  • No rain

    30%
  • Calm

    20%

Example: ARAI SNOW RESORT, 8–14 Feb

Out of 10WeightPoints
Fresh snow10× 60%60
Base10× 25%25
Powder5.3× 15%8
Snow93 / 100
Sun2.9× 50%15
No rain0× 30%0
Calm8× 20%16
Weather31 / 100

Weather at 31 out of 100 takes 31% off the snow points. The worse the weather, the more comes off, up to 45%.

Score93 − 31% = 64/ 100

Avg fresh snow
25 cm10 in
Snowy days
4.8 of 7
Avg temperature
-6°C21°F
Season snowfall so far
2.7 m106 in

Beyond the odds · at the summit, this week

Bluebird days
0.2 of 7
Wind holds
0.6 of 7
Dry powder
51%
Icy mornings
0.4 of 7

Only on SnowOdds

Beyond the odds

Our own measures, from every day of the last 20 winters at the summit.

Bluebird days

2.7a winter

More than 68% of resorts

A clear day with no new snow, right after 10 cm4 in or more fell in the two days before.

Wind holds

12a winter

Calmer than 43% of resorts

Days with gusts of 70 km/h43 mph or more at the summit: enough to stop most chairlifts.

Dry powder

44%of the snow

Drier than 52% of resorts

Snow that fell on days that stayed below -5°C23°F at the summit: light and dry. The rest is heavier.

Driest 18–24 Jan

Icy mornings

27a winter

Less icy than 24% of resorts

Mornings after a day above 0°C32°F and a night at -3°C27°F or colder, with no new snow: hard, icy pistes until the sun softens them.

Least icy 2–8 Nov

Every winter since 1950/51

See all 76 winters, day by day
Average winter
3.9 m152 in
Snowiest winter
5.3 m210 in
Leanest winter
2.1 m84 in
Change since 1950/51
+1.5°C+2.7°F

Snow at ARAI SNOW RESORT, answered

When is the best time to ski ARAI SNOW RESORT?

Historically the best week for fresh snow at ARAI SNOW RESORT is 8–14 Feb: in 19 of the last 20 winters at least 10 cm of new snow fell at the summit that week (95% odds), 25 cm on average. The next best weeks are 11–17 Jan and 4–10 Jan.

Which month has the most reliable snow at ARAI SNOW RESORT?

January, with an average 91% chance of 10 cm or more of fresh snow in any given week at the summit. November is the least reliable month of the season at 10%.

How high is ARAI SNOW RESORT?

The village sits at 369 m (1,211 ft) and the top lift reaches 1,278 m (4,193 ft), a vertical drop of 909 m (2,982 ft). The resort has about 13 km of pistes and 5 lifts.

Does it snow in the village at ARAI SNOW RESORT?

In the best week (8–14 Feb) the village gets 10 cm or more of fresh snow in 85% of winters, against 95% at the summit. The average village temperature that week is -1°C (30°F).

Every week of the season, in numbers

Odds of 10 cm or more of fresh snow in the week, and average fresh snow, at ARAI SNOW RESORT
WeekSummit oddsSummit snowVillage oddsVillage snow
2–8 Nov5%1 cm0%0 cm
9–15 Nov10%2 cm0%0 cm
16–22 Nov10%5 cm5%1 cm
23–29 Nov15%4 cm0%1 cm
30 Nov – 6 Dec60%12 cm15%5 cm
7–13 Dec65%16 cm40%9 cm
14–20 Dec63%21 cm47%14 cm
21–27 Dec89%29 cm79%22 cm
4–10 Jan95%31 cm80%23 cm
11–17 Jan95%30 cm90%24 cm
18–24 Jan85%25 cm70%19 cm
25–31 Jan90%31 cm70%24 cm
1–7 Feb85%26 cm75%21 cm
8–14 Feb95%25 cm85%20 cm
15–21 Feb85%25 cm65%19 cm
22–28 Feb75%20 cm40%15 cm
1–7 Mar55%13 cm25%6 cm
8–14 Mar65%14 cm20%6 cm
15–21 Mar45%11 cm25%5 cm
22–28 Mar35%9 cm15%4 cm
29 Mar – 4 Apr25%6 cm5%2 cm
5–11 Apr20%4 cm0%1 cm
12–18 Apr0%2 cm0%0 cm
19–25 Apr5%1 cm0%0 cm
26 Apr – 2 May0%0 cm0%0 cm