Nefyn Water Temperature

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Nefyn is a village close to Irish Sea. August is the month with the hottest water temperature at 60.4°F / 15.8°C. The coldest month is March with an ø water temperature of 45.1°F / 7.3°C. May is the month with the lowest precipitation of 1.5in / 38.8mm and November with the highest precipitation in a year with 9.4in / 237.6mm. The avg. air temperature is around 59.5°F / 15.3°C, August is the month with the highest temperature. February is the coolest with 43°F / 6.1°C average air temperature. June, July, August, September would be the best time to visit. temperate oceanic climate with warm summer would be the climate here.

Nefyn Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 15.8°C / 60.4°F
Coldest Month Water Temperature:	March with 7.3°C / 45.1°F
Warmest Month Air Temperature:	August with 15.3°C / 59.5°F
Coldest Month Air Temperature:	February with 6.1°C / 43°F
Wettest Month:	November with 237.6mm / 9.4in
Driest Month:	May with 38.8mm / 1.5in
Highest Humidity	July with 83.3%
Lowest Humidity	April with 78.9%
Best Time to Visit:	June, July, August, September
Climate Classification	temperate oceanic climate with warm summer

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Nefyn water temperature by month

°C

Irish Sea water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	8.9	8.3	7.8
February	7.7	7.4	7.2
March	7.7	7.3	7.1
April	9.5	8.6	7.7
May	11.8	10.6	9.5
June	13.9	12.9	11.8
July	15.4	14.7	13.8
August	15.9	15.7	15.3
September	15.9	15.4	14.9
October	14.9	14	13
November	13	11.9	10.7
December	10.7	9.8	8.8

°F

Irish Sea water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	48	46.9	46
February	45.9	45.3	45
March	45.9	45.1	44.8
April	49.1	47.5	45.9
May	53.2	51.1	49.1
June	57	55.2	53.2
July	59.7	58.5	56.8
August	60.6	60.3	59.5
September	60.6	59.7	58.8
October	58.8	57.2	55.4
November	55.4	53.4	51.3
December	51.3	49.6	47.8

August is the month with the warmest water temperature at 60.4°F / 15.8°C. The month with the coldest is March with an average water temperature of 45.1°F / 7.3°C.

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Nefyn weather today & 14-day weather forecast

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Dec. 22	Light shower rain	46 °F 42°F	8 °C 6°C	9mph (15km/h) northwest	0in (2mm) 45 %	70%
Dec. 23	Light shower rain	54 °F 44°F	12 °C 7°C	4mph (6km/h) west-southwest	0in (3mm) 60 %	82%
Dec. 24	Broken clouds	54 °F 52°F	12 °C 11°C	2mph (4km/h) southwest	0in (0mm) 20 %	93%
Dec. 25	Broken clouds	53 °F 51°F	12 °C 11°C	3mph (5km/h) south	0in (0mm) 20 %	90%
Dec. 26	Broken clouds	51 °F 46°F	10 °C 8°C	1mph (2km/h) southeast	0in (0mm) 0 %	91%
Dec. 27	Broken clouds	53 °F 46°F	12 °C 8°C	1mph (2km/h) southeast	0in (0mm) 0 %	92%
Dec. 28	Broken clouds	50 °F 45°F	10 °C 7°C	2mph (3km/h) south-southwest	0in (0mm) 0 %	91%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Dec. 29	Overcast clouds	48 °F 40°F	9 °C 5°C	1mph (2km/h) west-southwest	0in (1mm) 30 %	92%
Dec. 30	Light rain	47 °F 39°F	8 °C 4°C	5mph (7km/h) south-southwest	0in (7mm) 80 %	89%
Dec. 31	Mix snow/rain	40 °F 37°F	5 °C 3°C	7mph (11km/h) west	0in (5mm) 70 %	71%
Jan. 01	Mix snow/rain	40 °F 37°F	5 °C 3°C	4mph (6km/h) west	0in (1mm) 30 %	66%
Jan. 02	Overcast clouds	39 °F 36°F	4 °C 2°C	2mph (3km/h) east-northeast	0in (0mm) 20 %	72%
Jan. 03	Overcast clouds	39 °F 35°F	4 °C 2°C	3mph (5km/h) east-northeast	0in (0mm) 20 %	71%
Jan. 04	Light rain	55 °F 37°F	13 °C 3°C	3mph (5km/h) southeast	0in (8mm) 80 %	89%
Jan. 05	Moderate rain	54 °F 49°F	12 °C 9°C	7mph (11km/h) south-southwest	0in (11mm) 85 %	94%
Jan. 06	Light shower rain	52 °F 46°F	11 °C 8°C	7mph (11km/h) southwest	0in (3mm) 60 %	83%

Nefyn weather by month / climate table

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	8.4	6.6	4.6	180.1	21	80.5%
February	8.1	6.1	4.3	125	15	79.5%
March	9.2	6.8	3.7	44.2	10	79.8%
April	11.7	8.5	5.6	42.5	6	78.9%
May	13.7	10.9	7.9	38.8	7	79.8%
June	16.5	13.3	10.8	40.5	5	81.9%
July	17.1	15	12.8	45.8	11	83.3%
August	17.1	15.3	13.4	152.6	19	83.3%
September	16.8	14.4	11.9	120.9	15	80.4%
October	15.1	12.1	9.5	206	0	79.1%
November	12.1	9.4	6.5	237.6	23	79.5%
December	9.7	7.4	5.2	212.2	22	80.3%

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	47.1	43.9	40.3	7.1	21	80.5%
February	46.6	43	39.7	4.9	15	79.5%
March	48.6	44.2	38.7	1.7	10	79.8%
April	53.1	47.3	42.1	1.7	6	78.9%
May	56.7	51.6	46.2	1.5	7	79.8%
June	61.7	55.9	51.4	1.6	5	81.9%
July	62.8	59	55	1.8	11	83.3%
August	62.8	59.5	56.1	6	19	83.3%
September	62.2	57.9	53.4	4.8	15	80.4%
October	59.2	53.8	49.1	8.1	0	79.1%
November	53.8	48.9	43.7	9.4	23	79.5%
December	49.5	45.3	41.4	8.4	22	80.3%

May is the driest at 1.5in / 38.8mm and November the wettest month with 9.4in / 237.6mm. With an average temperature of 59.5°F / 15.3°C, August is the warmest month in a year. February is the coldest with 43°F / 6.1°C average temperature.

Irish Sea