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Sea Temperature in Castlerock in March
Complete information on the sea temperature range in the Irish Sea in Castlerock in March. Historical daily data. Climate details for March. Tips on swimming conditions and beach relaxation in Castlerock. 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 Castlerock in March
6°C
MINIMUN
8°C
AVERAGE
10°C
MAXIMUM
Historical Data of Water Temperature in March in Castlerock
Water Temperature Chart for Irish Sea in Castlerock in March
Sea Temperature Table in Castlerock in March Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Mar 1 | 8°C | 7°C | 10°C | 8.5°C |
| Mar 2 | 7°C | 7°C | 9°C | 8.0°C |
| Mar 3 | 8°C | 7°C | 7°C | 7.8°C |
| Mar 4 | 8°C | 7°C | 10°C | 8.3°C |
| Mar 5 | 8°C | 7°C | 8°C | 7.8°C |
| Mar 6 | 8°C | 7°C | 9°C | 8.0°C |
| Mar 7 | 8°C | 7°C | 6°C | 7.3°C |
| Mar 8 | 7°C | 7°C | 7°C | 7.3°C |
| Mar 9 | 8°C | 7°C | 10°C | 8.5°C |
| Mar 10 | 7°C | 7°C | 9°C | 8.0°C |
| Mar 11 | 8°C | 7°C | 10°C | 8.5°C |
| Mar 12 | 8°C | 7°C | 8°C | 7.8°C |
| Mar 13 | 8°C | 7°C | 8°C | 7.8°C |
| Mar 14 | 8°C | 7°C | 9°C | 8.0°C |
| Mar 15 | 8°C | 7°C | 8°C | 8.0°C |
| Mar 16 | 8°C | 7°C | 6°C | 7.3°C |
| Mar 17 | 7°C | 7°C | 8°C | 7.5°C |
| Mar 18 | 8°C | 6°C | 9°C | 7.8°C |
| Mar 19 | 8°C | 7°C | 9°C | 8.0°C |
| Mar 20 | 8°C | 7°C | 10°C | 8.3°C |
| Mar 21 | 8°C | 7°C | 6°C | 7.3°C |
| Mar 22 | 8°C | 7°C | 6°C | 7.5°C |
| Mar 23 | 8°C | 7°C | 9°C | 8.3°C |
| Mar 24 | 8°C | 7°C | 6°C | 7.5°C |
| Mar 25 | 8°C | 7°C | 9°C | 8.3°C |
| Mar 26 | 8°C | 7°C | 7°C | 7.8°C |
| Mar 27 | 8°C | 7°C | 7°C | 7.8°C |
| Mar 28 | 8°C | 7°C | 9°C | 8.3°C |
| Mar 29 | 8°C | 7°C | 8°C | 7.8°C |
| Mar 30 | 8°C | 7°C | 6°C | 7.3°C |
Castlerock Climate and Swimming Opportunities in March
10°C
Average Day Air Temperature
4°C
Average Night Air Temperature
97 mm
Precipitation Amount per Month
16 days
Number of Rainy Days
12 hrs
Daylight
per Day
3 hrs
Sunshine
per Day
22 km/h
Average Wind Speed
86%
Average
humidity
Castlerock lies within the Northen Ireland in United Kingdom. The average daytime temperature in Castlerock in March is 10°C (49°F), while the nighttime average is 4°C (38°F). There are typically 16 rainy days during the month, with a total precipitation of 97 mm (3.8 inches). The daylight duration in March in Castlerock is 12 hours, with an average of 3 hours of sunshine per day. The average wind speed in March is 22 km/h (14 mph), and the humidity level is around 86%.
The water temperature in Castlerock in March ranges from 7°C to 8°C (45°F to 46°F). At the beginning of the month, the average temperature is around 8°C (46°F), shifting to 8°C (46°F) by mid-March and reaching 8°C (46°F) in the last ten days. Overall, the average sea temperature in Castlerock for March is 8°C (46°F). Still too cold for most swimmers. Only short dips in proper gear are advisable.
Sea Temperature in March in Nearby Cities
Frequently Asked Questions About Water Temperatures in March in Castlerock
What is the sea temperature in Castlerock in March?
The water temperature in the Irish Sea in Castlerock in March ranges from 7°C to 8°C (45°F to 46°F).
Is it possible to swim in the Irish Sea in Castlerock in March?
The average sea temperature in Castlerock in March is 8°C (46°F), and the air temperature is 10°C (49°F), so still too cold for most swimmers. Only short dips in proper gear are advisable.