Whyalla Weather in December
Whyalla in December
The short of it: Whyalla in December averages a high of 29 °C (84 °F) and a low of 17 °C (63 °F), with 24 mm (0.94 in) of rain and about 14 h 19 min of daylight. Rated 4 of 5 for a visit; the best months are September and October. Source: TerraClimate climate normals, 1991–2020.
Average high 29° · low 17° · rain 24 mm · daylight 14 h 19 min
✦✦✦✦ Recommended for a visit · best months: September & October
Thirty years of records give Whyalla an average December high of 29°, a low of 17° and some 24 mm of rain. Much like November: highs about 29°, nights near 17°. Easy travelling weather. Rain is modest, about 24 mm, the 5th wettest month.
The sun is up for about 14 h 19 min in mid-December, 26 minutes more than a month before.
For the traveller: pack linen, a wide hat and water. The Almanac rates December 4 of 5 for a visit; the finest months here are September and October.
Against its neighbours, Whyalla runs cooler than most and wetter than most in December. Whyalla Playford, 1 km to the NNW, sees much the same highs.
December in Whyalla, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 5th wettest of 12
- Versus November
- 2° warmer, 2.0 mm less rain
- Versus January
- 2° colder
- Day–night spread
- 12°
- Snow season
- seldom any
- Daylight, mid-month
- 14 h 19 min
- Average wind
- 21 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Whyalla PlayfordSouth Australia | 1 km NNW | 29° | 17° | 24 mm |
| Whyalla NorrieSouth Australia | 2 km W | 29° | 17° | 23 mm |
| Whyalla StuartSouth Australia | 4 km WNW | 29° | 17° | 23 mm |
| Whyalla JenkinsSouth Australia | 5 km WNW | 29° | 17° | 23 mm |
| Port Pirie WestSouth Australia | 44 km ESE | 30° | 16° | 30 mm |
| Risdon ParkSouth Australia | 44 km ESE | 30° | 16° | 30 mm |
| Risdon Park SouthSouth Australia | 45 km ESE | 30° | 16° | 29 mm |
| Port PirieSouth Australia | 46 km ESE | 30° | 16° | 30 mm |