December weather forecastBaltimore, Ireland

December

Weather in December

December in Baltimore closes the year with the onset of the coldest temperatures and the shortest daylight hours. Compared to November, the weather gets noticeably chillier. The wind speed increases further, recording the highest gusts at 51.6km/h (32.1mph). With an increase in cloud cover, Baltimore experiences the least amount of daily sunshine in December. The end of the month paves the way for a fresh start into the new year, with similar weather conditions extending into January.

Temperature

The advent of December in Baltimore denotes an average high-temperature of a still fresh 10.5°C (50.9°F), subtly different from November's 11.6°C (52.9°F). The nighttime temperature in Baltimore in December experiences a minor dip, averaging a chilly 8.1°C (46.6°F).

Humidity

In December, the average relative humidity in Baltimore, Ireland, is 80%.

Rainfall

December is the month with the most rainfall in Baltimore. Rain falls for 18.5 days and accumulates 73mm (2.87") of precipitation.

Snowfall

Months with snowfall are January, February, November and December. The months with the most snowfall are January, February, November and December, with an average 1mm (0.04") of accumulated snow.

Daylight

The month with the shortest days in Baltimore is December, with an average of 7h and 54min of daylight.
On the first day of the month, sunrise is at 8:21 am and sunset at 4:31 pm. On the last day of December, sunrise is at 8:42 am and sunset at 4:38 pm GMT.

Sunshine

In December, the average sunshine in Baltimore is 3.9h.

UV index

In Baltimore, Ireland, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 10.5°C (50.9°F) and 8.1°C (46.6°F) respectively.

In December, the average relative humidity in Baltimore is 80%.

The month with the most rainfall in Baltimore is December, when the rain falls for 18.5 days and typically aggregates up to 73mm (2.87") of precipitation.

In Baltimore, in December, it is raining for 18.5 days, with typically 73mm (2.87") of accumulated precipitation.

The months with the most snowfall are January, February, November and December, with an average 1mm (0.04") of accumulated snow.

In Baltimore, Ireland, in December, snow falls for 0.4 days, with typically accumulated 1mm (0.04") of snow.

The month with the shortest days in Baltimore is December, with an average of 7h and 54min of daylight.

The average day length in December is 7h and 56min.

On the first day of December in Baltimore, sunrise is at 8:21 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 8:42 am and sunset at 4:38 pm GMT.

In Baltimore, Ireland, the average sunshine duration in December is 3.9h.

In Baltimore, Ireland, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

11.6°C

10.5°C

9.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

35km/h

37.3km/h

35.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

18.2

18.5

Average snowfall

1mm

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.6

9.7

9.3

Average UV index

Average cloud cover

56%

62%

Average visibility

10km

Average temperature in December
Baltimore, Ireland

Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (9.3°C).

Average low temperature in December: 8.1°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is March (7.1°C).

Average pressure in December
Baltimore, Ireland

Average pressure in December: 1012.7mbar

The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in December
Baltimore, Ireland

Average wind speed in December: 35km/h

The windiest month (with the highest average wind speed) is December (35km/h).
The calmest month (with the lowest average wind speed) is June (23.1km/h).

Average humidity in December
Baltimore, Ireland

Average humidity in December: 80%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is February (78%).

Average rainfall in December
Baltimore, Ireland

Average rainfall in December: 73mm

The wettest month (with the highest rainfall) is December (73mm).
The driest month (with the least rainfall) is July (30mm).

Average rainfall days in December
Baltimore, Ireland

Average rainfall days in December: 18.5 days

The months with the highest number of rainy days are January and December (18.5 days).
The month with the least rainy days is June (12 days).

Average snowfall in December
Baltimore, Ireland

Average snowfall in December: 1mm

The months with the highest snowfall are January, February, November and December (1mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Baltimore, Ireland

Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Baltimore, Ireland

Average daylight in December: 7h and 54min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

Average sunshine in December: 3h and 54min

The month with the most sunshine is June (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Baltimore, Ireland

Average sunshine days in December: 9.7 days

The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is February (9 days).

Average UV index in December
Baltimore, Ireland

Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 4).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in December
Baltimore, Ireland

Average cloud cover in December: 62

The months with the most cloud cover are January and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 48).

Average visibility in December
Baltimore, Ireland

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).