Newcastle Water Temperature

Newcastle is a town close to Irish Sea. temperate oceanic climate with warm summer would be the climate here. September is the month with the highest water temperature at 57°F / 13.9°C. The month with the lowest is March with an average water temperature of 45°F / 7.2°C. The avg. air temperature is around 57.7°F / 14.3°C, July is the month with the highest temperature. February is the coolest with 41.2°F / 5.1°C average air temperature. April is the month with the min. precipitation of 1.5in / 37.4mm and October with the max. precipitation in a year with 5.2in / 131mm. If you plan to visit this place, the month June, July, August, September would be the best time.

Newcastle Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	September with 13.9°C / 57°F
Coldest Month Water Temperature:	March with 7.2°C / 45°F
Warmest Month Air Temperature:	July with 14.3°C / 57.7°F
Coldest Month Air Temperature:	February with 5.1°C / 41.2°F
Wettest Month:	October with 131mm / 5.2in
Driest Month:	April with 37.4mm / 1.5in
Highest Humidity	December with 84.3%
Lowest Humidity	May with 78.3%
Best Time to Visit:	June, July, August, September
Climate Classification	temperate oceanic climate with warm summer

Newcastle water temperature by month

°C

Irish Sea water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	9.3	8.6	8
February	8	7.6	7.3
March	7.4	7.2	7.1
April	8.5	7.9	7.4
May	10.2	9.3	8.5
June	12.1	11.2	10.2
July	13.5	12.9	12.1
August	14.1	13.8	13.4
September	14	13.9	13.7
October	13.7	13.2	12.7
November	12.7	11.9	11.1
December	11	10.2	9.3

°F

Irish Sea water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	48.7	47.5	46.4
February	46.4	45.7	45.1
March	45.3	45	44.8
April	47.3	46.2	45.3
May	50.4	48.7	47.3
June	53.8	52.2	50.4
July	56.3	55.2	53.8
August	57.4	56.8	56.1
September	57.2	57	56.7
October	56.7	55.8	54.9
November	54.9	53.4	52
December	51.8	50.4	48.7

The hottest water temperature typically reached in September with around 57°F / 13.9°C. The coldest in March with an average water temperature of 45°F / 7.2°C.

Newcastle weather by month / climate table

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	7.8	5.2	3	101.2	11	83.5%
February	7.4	5.1	2.8	75.3	7	81.7%
March	8.7	5.8	1.9	46.3	3	80.3%
April	11.5	7.6	4.3	37.4	5	79%
May	13.4	10	6.2	48.8	6	78.3%
June	15.9	12.6	9.5	62.3	5	79.4%
July	17.1	14.3	11.5	55.5	10	80.8%
August	16.9	14.2	11.5	121.3	11	81.9%
September	16	13	10.1	77.4	7	81.9%
October	13.5	10.5	7.7	131	0	82.1%
November	10.7	7.7	5	122	13	83.4%
December	8.6	5.8	3.4	96.3	9	84.3%

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	46	41.4	37.4	4	11	83.5%
February	45.3	41.2	37	3	7	81.7%
March	47.7	42.4	35.4	1.8	3	80.3%
April	52.7	45.7	39.7	1.5	5	79%
May	56.1	50	43.2	1.9	6	78.3%
June	60.6	54.7	49.1	2.5	5	79.4%
July	62.8	57.7	52.7	2.2	10	80.8%
August	62.4	57.6	52.7	4.8	11	81.9%
September	60.8	55.4	50.2	3	7	81.9%
October	56.3	50.9	45.9	5.2	0	82.1%
November	51.3	45.9	41	4.8	13	83.4%
December	47.5	42.4	38.1	3.8	9	84.3%

The hottest avg. temperature is around 57.7°F / 14.3°C, July is the month with the highest temperature. February is the coolest with 41.2°F / 5.1°C average temperature. April is the month with the lowest precipitation of 1.5in / 37.4mm and October with the maximum precipitation in a year with 5.2in / 131mm.

Activities & POI in Newcastle

Type of Activity	List
Golf Course	Royal County Down Golf Course
Caravan Site	Bonnys Caravan Park, Woodcroft Caravan park, Mourneview Caravan Park, Windsor Caravan Park

Irish Sea