Sea Temperature in Blackrock in December

Complete information on the sea temperature range in the Irish Sea in Blackrock in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Blackrock. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Blackrock in December

48°F

MINIMUN

51°F

AVERAGE

54°F

MAXIMUM

Historical Data of Water Temperature in December in Blackrock

Water Temperature Chart for Irish Sea in Blackrock in December

Sea Temperature Table in Blackrock in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	50°C	54°C	52°C	52°C
Dec 2	52°C	52°C	52°C	52°C
Dec 3	52°C	52°C	54°C	52°C
Dec 4	52°C	52°C	54°C	52°C
Dec 5	52°C	52°C	54°C	52°C
Dec 6	50°C	52°C	52°C	51°C
Dec 7	52°C	52°C	52°C	51°C
Dec 8	50°C	52°C	52°C	51°C
Dec 9	50°C	50°C	52°C	51°C
Dec 10	50°C	52°C	52°C	51°C
Dec 11	50°C	50°C	52°C	51°C
Dec 12	50°C	50°C	52°C	51°C
Dec 13	52°C	50°C	52°C	51°C
Dec 14	50°C	52°C	52°C	51°C
Dec 15	50°C	50°C	52°C	50°C
Dec 16	48°C	50°C	52°C	50°C
Dec 17	48°C	50°C	52°C	50°C
Dec 18	48°C	50°C	52°C	50°C
Dec 19	50°C	50°C	50°C	50°C
Dec 20	50°C	48°C	50°C	50°C
Dec 21	50°C	50°C	52°C	51°C
Dec 22	50°C	48°C	50°C	50°C
Dec 23	50°C	50°C	50°C	50°C
Dec 24	48°C	48°C	50°C	49°C
Dec 25	48°C	50°C	48°C	49°C
Dec 26	46°C	50°C	48°C	49°C
Dec 27	48°C	50°C	48°C	49°C
Dec 28	48°C	50°C	48°C	49°C
Dec 29	46°C	50°C	50°C	49°C
Dec 30	46°C	50°C	48°C	49°C

Blackrock Climate and Swimming Opportunities in December

48°F

Average Day Air Temperature

37°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

17 days

Number of Rainy Days

7 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

12 mph

Average Wind Speed

88%

Average
humidity

Blackrock lies within the Leinster in Ireland. The average daytime temperature in Blackrock in December is 9°C (48°F), while the nighttime average is 3°C (38°F). There are typically 17 rainy days during the month, with a total precipitation of 70 mm (2.8 inches). The daylight duration in December in Blackrock is 7 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 19 km/h (12 mph), and the humidity level is around 88%.

The water temperature in Blackrock in December ranges from 9°C to 11°C (48°F to 52°F). At the beginning of the month, the average temperature is around 11°C (52°F), shifting to 10°C (50°F) by mid-December and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Blackrock for December is 10°C (50°F). Still too cold for most swimmers. Only short dips in proper gear are advisable.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Blackrock

What is the sea temperature in Blackrock in December?

The water temperature in the Irish Sea in Blackrock in December ranges from 9°C to 11°C (48°F to 52°F).

Is it possible to swim in the Irish Sea in Blackrock in December?

The average sea temperature in Blackrock in December is 10°C (50°F), and the air temperature is 9°C (48°F), so still too cold for most swimmers. Only short dips in proper gear are advisable.