Sea Temperature in Portnoo in January

Complete information on the sea temperature range in the Atlantic Ocean in Portnoo in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Portnoo. 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 Portnoo in January

7°C

MINIMUN

9.5°C

AVERAGE

12°C

MAXIMUM

Historical Data of Water Temperature in January in Portnoo

Water Temperature Chart for Atlantic Ocean in Portnoo in January

Sea Temperature Table in Portnoo in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	9°C	11°C	11°C	10.3°C
Jan 2	9°C	11°C	12°C	10.5°C
Jan 3	9°C	10°C	12°C	10.3°C
Jan 4	9°C	10°C	9°C	9.3°C
Jan 5	9°C	10°C	11°C	9.8°C
Jan 6	9°C	10°C	9°C	9.5°C
Jan 7	9°C	10°C	10°C	9.5°C
Jan 8	9°C	10°C	10°C	9.5°C
Jan 9	8°C	10°C	12°C	9.8°C
Jan 10	9°C	9°C	11°C	9.5°C
Jan 11	8°C	9°C	12°C	9.5°C
Jan 12	8°C	9°C	9°C	8.8°C
Jan 13	9°C	9°C	10°C	9.0°C
Jan 14	8°C	9°C	8°C	8.3°C
Jan 15	8°C	9°C	10°C	8.8°C
Jan 16	8°C	9°C	11°C	9.0°C
Jan 17	8°C	9°C	12°C	9.3°C
Jan 18	8°C	9°C	12°C	9.5°C
Jan 19	9°C	9°C	10°C	9.0°C
Jan 20	9°C	9°C	11°C	9.5°C
Jan 21	8°C	9°C	8°C	8.3°C
Jan 22	8°C	9°C	12°C	9.5°C
Jan 23	8°C	9°C	12°C	9.5°C
Jan 24	8°C	9°C	11°C	9.3°C
Jan 25	8°C	9°C	10°C	9.0°C
Jan 26	9°C	9°C	10°C	9.3°C
Jan 27	8°C	9°C	9°C	8.5°C
Jan 28	8°C	9°C	11°C	9.0°C
Jan 29	9°C	9°C	10°C	9.3°C
Jan 30	9°C	9°C	12°C	9.8°C

Portnoo Climate and Swimming Opportunities in January

8°C

Average Day Air Temperature

3°C

Average Night Air Temperature

122 mm

Precipitation Amount per Month

19 days

Number of Rainy Days

8 hrs

Daylight
per Day

1 hrs

Sunshine
per Day

23 km/h

Average Wind Speed

90%

Average
humidity

Portnoo lies within the Ulster in Ireland. The average daytime temperature in Portnoo in January is 8°C (46°F), while the nighttime average is 3°C (37°F). There are typically 19 rainy days during the month, with a total precipitation of 122 mm (4.8 inches). The daylight duration in January in Portnoo is 8 hours, with an average of 1 hours of sunshine per day. The average wind speed in January is 23 km/h (14 mph), and the humidity level is around 90%.

The water temperature in Portnoo in January ranges from 8°C to 10°C (46°F to 50°F). At the beginning of the month, the average temperature is around 10°C (50°F), shifting to 9°C (48°F) by mid-January and reaching 9°C (48°F) in the last ten days. Overall, the average sea temperature in Portnoo for January is 9°C (48°F). Still too cold for most swimmers. Only short dips in proper gear are advisable.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Portnoo

What is the sea temperature in Portnoo in January?

The water temperature in the Atlantic Ocean in Portnoo in January ranges from 8°C to 10°C (46°F to 50°F).

Is it possible to swim in the Atlantic Ocean in Portnoo in January?

The average sea temperature in Portnoo in January is 9°C (48°F), and the air temperature is 8°C (46°F), so still too cold for most swimmers. Only short dips in proper gear are advisable.