Sysmä Weather in December
Sysmä in December
The short of it: Sysmä in December averages a high of -1 °C (29 °F) and a low of -6 °C (21 °F), with 47 mm (1.9 in) of rain and about 5 h 24 min of daylight. Rated 1 of 5 for a visit; the best months are August and June. Source: TerraClimate climate normals, 1991–2020.
Average high -1° · low -6° · rain 47 mm · daylight 5 h 24 min
✦ Travel with care for a visit · best months: August & June
Thirty years of records give Sysmä an average December high of -1°, a low of -6° and some 47 mm of rain. Much like November: highs about -1°, nights near -6°. Pack the buffalo coat. Rain is modest, about 47 mm, the 7th wettest month. Snow lies on the ground; mind the passes.
The sun is up for about 5 h 24 min in mid-December, 97 minutes less than a month before. Lanterns are lit by mid-afternoon.
For the traveller: pack the buffalo coat, mittens and fur-lined boots. The Almanac rates December 1 of 5 for a visit; the finest months here are August and June.
Against its neighbours, Sysmä runs cooler than most and drier than most in December. Hartola, 20 km to the ENE, sees much the same highs.
December in Sysmä, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 7th wettest of 12
- Versus November
- 3° colder, 3.0 mm less rain
- Versus January
- 2° warmer
- Day–night spread
- 5°
- Snow season
- Nov–Apr
- Daylight, mid-month
- 5 h 24 min
- Average wind
- 10 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| HartolaPaijat-Hame | 20 km ENE | -2° | -6° | 50 mm |
| PadasjokiPaijat-Hame | 27 km SW | -1° | -6° | 50 mm |
| KuhmoinenPirkanmaa | 28 km WNW | -1° | -6° | 49 mm |
| AsikkalaPaijat-Hame | 33 km SSW | -1° | -5° | 46 mm |
| LuhankaCentral Finland | 33 km N | -1° | -6° | 47 mm |
| JoutsaCentral Finland | 35 km NE | -2° | -6° | 51 mm |
| HeinolaPaijat-Hame | 38 km SSE | -1° | -6° | 51 mm |
| AuttoinenPaijat-Hame | 39 km SW | -1° | -6° | 52 mm |