Cemaes Bay Water Temperature

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Cemaes Bay 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 59.7°F / 15.4°C. The month with the lowest is March with an average water temperature of 45.5°F / 7.5°C. 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 42.8°F / 6°C average air temperature. June is the month with the min. precipitation of 0.7in / 18.8mm and November with the max. precipitation in a year with 4.9in / 123.6mm. If you plan to visit this place, the month June, July, August, September would be the best time.

Cemaes Bay Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	September with 15.4°C / 59.7°F
Coldest Month Water Temperature:	March with 7.5°C / 45.5°F
Warmest Month Air Temperature:	August with 15.3°C / 59.5°F
Coldest Month Air Temperature:	February with 6°C / 42.8°F
Wettest Month:	November with 123.6mm / 4.9in
Driest Month:	June with 18.8mm / 0.7in
Highest Humidity	August with 81.6%
Lowest Humidity	April with 78.4%
Best Time to Visit:	June, July, August, September
Climate Classification	temperate oceanic climate with warm summer

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Cemaes Bay water temperature by month

°C

Irish Sea water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	9.6	8.9	8.3
February	8.2	7.9	7.7
March	7.8	7.6	7.4
April	9.1	8.4	7.8
May	11	10	9.1
June	13.1	12	11
July	14.7	14	13.1
August	15.5	15.2	14.6
September	15.6	15.3	15
October	15	14.3	13.5
November	13.5	12.5	11.4
December	11.3	10.4	9.6

°F

Irish Sea water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	49.3	48	46.9
February	46.8	46.2	45.9
March	46	45.7	45.3
April	48.4	47.1	46
May	51.8	50	48.4
June	55.6	53.6	51.8
July	58.5	57.2	55.6
August	59.9	59.4	58.3
September	60.1	59.5	59
October	59	57.7	56.3
November	56.3	54.5	52.5
December	52.3	50.7	49.3

The warmest water temperature are in September with around 59.7°F / 15.4°C. The coldest in March with an average water temperature of 45.5°F / 7.5°C.

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Cemaes Bay 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	Scattered clouds	45 °F 40°F	7 °C 5°C	8mph (12km/h) west-northwest	0in (0mm) 20 %	70%
Dec. 23	Light shower rain	53 °F 43°F	12 °C 6°C	3mph (5km/h) west-southwest	0in (2mm) 45 %	83%
Dec. 24	Overcast clouds	54 °F 51°F	12 °C 11°C	3mph (5km/h) southwest	0in (0mm) 15 %	95%
Dec. 25	Few clouds	52 °F 50°F	11 °C 10°C	4mph (6km/h) south-southwest	0in (0mm) 0 %	93%
Dec. 26	Broken clouds	51 °F 43°F	11 °C 6°C	1mph (2km/h) south-southeast	0in (0mm) 0 %	94%
Dec. 27	Broken clouds	53 °F 43°F	12 °C 6°C	1mph (1km/h) south-southeast	0in (0mm) 0 %	95%
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%

Cemaes Bay weather by month / climate table

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	8.6	6.4	4.2	103.9	13	79.8%
February	8.2	6	3.9	64.9	10	78.9%
March	9.5	6.7	3.2	22.5	8	79.2%
April	12	8.4	5.1	28.7	5	78.4%
May	14	10.9	7.2	24.7	5	78.5%
June	16.9	13.4	10.2	18.8	3	80%
July	18	15.1	12.3	23.8	7	80.7%
August	17.9	15.3	12.8	103.7	13	81.6%
September	16.9	14.2	11.5	62.6	4	79.7%
October	15.1	11.9	9.1	97.5	0	78.7%
November	11.9	9.1	6.1	123.6	19	79.3%
December	9.7	7.2	4.6	115.7	18	79.8%

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	47.5	43.5	39.6	4.1	13	79.8%
February	46.8	42.8	39	2.6	10	78.9%
March	49.1	44.1	37.8	0.9	8	79.2%
April	53.6	47.1	41.2	1.1	5	78.4%
May	57.2	51.6	45	1	5	78.5%
June	62.4	56.1	50.4	0.7	3	80%
July	64.4	59.2	54.1	0.9	7	80.7%
August	64.2	59.5	55	4.1	13	81.6%
September	62.4	57.6	52.7	2.5	4	79.7%
October	59.2	53.4	48.4	3.8	0	78.7%
November	53.4	48.4	43	4.9	19	79.3%
December	49.5	45	40.3	4.6	18	79.8%

June is the most draught at 0.7in / 18.8mm and November the month with the most rain around 4.9in / 123.6mm. The avg. temperature is around 59.5°F / 15.3°C, August is the hottest month in a year. February is the coolest with 42.8°F / 6°C avg. temperature.

Activities & POI in Cemaes Bay

Type of Activity	List
Beach	Traeth Bach, Traeth Mawr
Attraction	Vistor Centre

Irish Sea