Portlaoise Weather in December
Portlaoise in December
The short of it: Portlaoise in December averages a high of 8 °C (47 °F) and a low of 3 °C (37 °F), with 115 mm (4.5 in) of rain and about 7 h 35 min of daylight. Rated 1 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 8° · low 3° · rain 115 mm · daylight 7 h 35 min
✦ Travel with care for a visit · best months: July & August
Thirty years of records give Portlaoise an average December high of 8°, a low of 3° and some 115 mm of rain. Much like November: highs about 8°, nights near 3°. A wool coat will serve you well. Wet spells are common — about 115 mm, the 2nd wettest month.
The sun is up for about 7 h 35 min in mid-December, 59 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 1 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Portlaoise runs cooler than most and wetter than most in December. Athy, 22 km to the ESE, is 1° warmer by day.
December in Portlaoise, by the numbers
- Warmth rank
- 11th warmest of 12
- Rain rank
- 2nd wettest of 12
- Versus November
- 2° colder, 12 mm less rain
- Versus January
- about the same
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 7 h 35 min
- Average wind
- 14 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| AthyLeinster | 22 km ESE | 9° | 3° | 90 mm |
| KildareLeinster | 29 km ENE | 9° | 3° | 88 mm |
| TullamoreLeinster | 29 km NNW | 8° | 3° | 116 mm |
| CarlowLeinster | 33 km SE | 9° | 4° | 97 mm |
| Droichead NuaLeinster | 37 km ENE | 9° | 3° | 88 mm |
| KilkennyLeinster | 42 km S | 9° | 3° | 94 mm |
| NaasLeinster | 47 km ENE | 8° | 2° | 87 mm |
| An Muileann gCearrLeinster | 55 km N | 8° | 2° | 98 mm |