Tokachi region | JMA weather station "Hiroo"
Snow and temperature in Hiroo in December
In a normal December, Hiroo gets 60cm of snow. Snow depth goes from 3 cm at the start of the month to 25 cm at the end (deepest around the 31st, at 25 cm). The mean temperature is -1.3℃, with an average high of 2.6℃ and an average low of -5.8℃.
- Snowfall in December
- 60cm33rd of 41 places
- Max snow depth in December
- 35cmNormal of the monthly maximum
- Days with 10 cm+ snow
- 13.5 daysDays with snowfall: 16.6 days
- Ice days
- 7.3 daysHigh below 0℃
Snow milestones in December
- Lasting snow cover begins: normally Dec 13
JMA normals; actual dates vary from year to year. For the whole season, see Snow in Hiroo.
Daily snow depth in Hiroo in December
Daily normals for Hiroo in December
| Date | Depth | Snowfall | High | Low |
|---|---|---|---|---|
| Dec 1 | 3cm | 1cm | 5.5℃ | -2.8℃ |
| Dec 2 | 4cm | 1cm | 5.3℃ | -3.0℃ |
| Dec 3 | 4cm | 1cm | 5.0℃ | -3.2℃ |
| Dec 4 | 5cm | 1cm | 4.8℃ | -3.5℃ |
| Dec 5 | 5cm | 1cm | 4.5℃ | -3.7℃ |
| Dec 6 | 6cm | 1cm | 4.3℃ | -4.0℃ |
| Dec 7 | 6cm | 2cm | 4.1℃ | -4.2℃ |
| Dec 8 | 7cm | 2cm | 3.8℃ | -4.4℃ |
| Dec 9 | 8cm | 2cm | 3.6℃ | -4.6℃ |
| Dec 10 | 8cm | 2cm | 3.4℃ | -4.9℃ |
| Dec 11 | 9cm | 2cm | 3.2℃ | -5.1℃ |
| Dec 12 | 9cm | 2cm | 3.0℃ | -5.3℃ |
| Dec 13 | 10cm | 2cm | 2.9℃ | -5.5℃ |
| Dec 14 | 10cm | 2cm | 2.7℃ | -5.7℃ |
| Dec 15 | 11cm | 2cm | 2.5℃ | -5.8℃ |
| Dec 16 | 12cm | 2cm | 2.4℃ | -6.0℃ |
| Dec 17 | 13cm | 2cm | 2.3℃ | -6.2℃ |
| Dec 18 | 13cm | 2cm | 2.1℃ | -6.3℃ |
| Dec 19 | 14cm | 2cm | 2.0℃ | -6.5℃ |
| Dec 20 | 15cm | 2cm | 1.9℃ | -6.6℃ |
| Dec 21 | 16cm | 2cm | 1.8℃ | -6.7℃ |
| Dec 22 | 17cm | 2cm | 1.6℃ | -6.9℃ |
| Dec 23 | 18cm | 2cm | 1.5℃ | -7.0℃ |
| Dec 24 | 19cm | 2cm | 1.4℃ | -7.1℃ |
| Dec 25 | 20cm | 2cm | 1.3℃ | -7.2℃ |
| Dec 26 | 21cm | 2cm | 1.2℃ | -7.3℃ |
| Dec 27 | 22cm | 2cm | 1.1℃ | -7.4℃ |
| Dec 28 | 23cm | 2cm | 1.1℃ | -7.5℃ |
| Dec 29 | 23cm | 2cm | 1.0℃ | -7.6℃ |
| Dec 30 | 24cm | 2cm | 0.9℃ | -7.6℃ |
| Dec 31 | 25cm | 2cm | 0.9℃ | -7.7℃ |
JMA daily normals: smoothed 30-year averages, not values from any single year.
Snowfall in December at 41 places
| Rank | Place | Snowfall | Max depth | Mean temp. |
|---|---|---|---|---|
| 1 | Kutchan | 253cm | 99cm | -3.1℃ |
| 2 | Kimobetsu | 244cm | 79cm | -4.8℃ |
| 3 | Takikawa | 228cm | 70cm | -4.0℃ |
| 4 | Nayoro | 225cm | 71cm | -5.4℃ |
| 5 | Bibai | 216cm | 70cm | -3.8℃ |
| 6 | Sounkyo | 202cm | 84cm | ― |
| 7 | Iwamizawa | 200cm | 74cm | -2.6℃ |
| 8 | Koganeyu (Jozankei) | 185cm | 66cm | ― |
| 9 | Biei | 182cm | 48cm | -5.5℃ |
| 10 | Shimukappu (Tomamu) | 165cm | 48cm | -6.4℃ |
| 11 | Furano | 159cm | 46cm | -5.1℃ |
| 12 | Asahikawa | 158cm | 58cm | -4.2℃ |
| 13 | Ishikari | 157cm | 53cm | -2.0℃ |
| 14 | Haboro | 154cm | 54cm | -1.7℃ |
| 15 | Rumoi | 147cm | 47cm | -1.5℃ |
| 16 | Otaru | 142cm | 54cm | -1.1℃ |
| 17 | Esashi (Kitami-Esashi) | 139cm | 52cm | -3.1℃ |
| 18 | Utoro (Shiretoko) | 138cm | 45cm | -2.4℃ |
| 19 | Lake Akan | 123cm | 52cm | -6.5℃ |
| 20 | Wakkanai | 122cm | 39cm | -2.1℃ |
| 21 | Eniwa (Shimamatsu) | 116cm | 37cm | -3.5℃ |
| 22 | Sapporo | 113cm | 47cm | -0.9℃ |
| 23 | Suttsu | 108cm | 32cm | -0.3℃ |
| 24 | Kawayu (Teshikaga) | 101cm | 43cm | -6.0℃ |
| 25 | Kitami | 92cm | 39cm | -5.1℃ |
| 26 | Omu | 83cm | 36cm | -3.3℃ |
| 27 | Noboribetsu | 82cm | 23cm | -1.9℃ |
| 28 | Nakashibetsu | 81cm | 28cm | -3.7℃ |
| 29 | Hakodate | 79cm | 22cm | -0.1℃ |
| 30 | Mombetsu | 75cm | 28cm | -2.6℃ |
| 31 | Abashiri | 71cm | 29cm | -2.4℃ |
| 32 | Memanbetsu | 66cm | 28cm | -4.5℃ |
| 33 | Hiroo | 60cm | 35cm | -1.3℃ |
| 34 | Obihiro | 51cm | 36cm | -3.8℃ |
| 35 | Esashi | 49cm | 13cm | 1.6℃ |
| 36 | Chitose | 44cm | 18cm | -3.0℃ |
| 37 | Tomakomai | 29cm | 14cm | -1.2℃ |
| 38 | Urakawa | 28cm | 10cm | 0.1℃ |
| 39 | Nemuro | 28cm | 15cm | -0.5℃ |
| 40 | Muroran | 27cm | 9cm | 0.5℃ |
| 41 | Kushiro | 26cm | 17cm | -1.9℃ |
Sources
- Japan Meteorological Agency (JMA), Climatological Normals 1991–2020 (in Japanese) (monthly and daily normals); Normals for Hiroo (JMA, in Japanese)