Normal Weather in December
Normal in December
The short of it: Normal in December averages a high of 4 °C (39 °F) and a low of -5 °C (23 °F), with 64 mm (2.5 in) of rain and about 9 h 17 min of daylight. Rated 2 of 5 for a visit; the best months are May and September. Source: TerraClimate climate normals, 1991–2020.
Average high 39° · low 23° · rain 2.5 in. · daylight 9 h 17 min
✦✦ Travel with care for a visit · best months: May & September
Thirty years of records give Normal an average December high of 39°, a low of 23° and some 2.5 in. of rain. The year turns hard here: highs drop 12° from November to about 39°, with nights near 23°. Wet spells are common — about 2.5 in., the 10th wettest month. The first lasting snow usually comes now.
The sun is up for about 9 h 17 min in mid-December, 34 minutes less than a month before.
For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates December 2 of 5 for a visit; the finest months here are May and September.
Against its neighbours, Normal runs about middling and about as wet in December. Bloomington, 2 mi to the S, sees much the same highs.
December in Normal, by the numbers
- Warmth rank
- 11th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus November
- 12° colder, 0.04 in. less rain
- Versus January
- 5° warmer
- Day–night spread
- 16°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 9 h 17 min
- Average wind
- 11 mph
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| BloomingtonIllinois | 2 mi S | 39° | 23° | 2.6 in. |
| HudsonIllinois | 6 mi N | 38° | 23° | 2.4 in. |
| HeyworthIllinois | 14 mi S | 39° | 24° | 2.7 in. |
| LexingtonIllinois | 14 mi NE | 38° | 23° | 2.4 in. |
| El PasoIllinois | 16 mi N | 38° | 22° | 2.3 in. |
| Le RoyIllinois | 16 mi SE | 39° | 24° | 2.6 in. |
| MackinawIllinois | 19 mi W | 38° | 22° | 2.5 in. |
| EurekaIllinois | 21 mi NW | 38° | 22° | 2.3 in. |