Weather in December in Shannon
| < December > | ||
|---|---|---|
| Normal Max/ High Temperature | 9°C (48°F) | |
| Average Temperature | 7°C (44°F) | |
| Min/ Low Temperature | 4°C (38°F) | |
| Normal Precipitation | 99mm (3.9in) | |
| Number of Wet Days (probability of rain on a day) | 24 (77%) | |
| Average Sunlight per day | 01h 23' | |
| Average Daylight per day | 07h 42' | |
| Sunny (Cloudy) Daylight Hours | 19% (81%) | |
| Sun altitude at solar noon on the 21st day. | 13.9° | |
- The average temperature in Shannon in December is cool at 6.5 °C (43.7 °F).
- Afternoons can be a little cool with average high temperatures reaching 8.9 °C (48 °F).
- Overnight temperatures are generally cool with an average low of 3.6 °C (38.5 °F).
- The variation/ range of diurnal mean temperatures in December is 5.3 °C (9.5 °F).
- Precipitation averages for December are high with 99mm (3.9 in) recorded across 24 days.
- In December the heavens above Shannon are dismal having on average just 1h 23' of bright solar radiation per day.
- The shortest day is 7h 37' long and the longest day is 7h 57' long with an average length of 7h 42'.
- There are approximately 6h 04' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 18.6% of daylight hours and cloudy 81.4% of daylight hours.
Weather Trend Graph for December in Shannon, Ireland
