St David’s Water Temperature

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St David's is a city close to Irish Sea. September is the month with the highest water temperature at 59.7°F / 15.4°C.
The coldest month is March with an average water temperature of 46.9°F / 8.3°C.
June is the driest at 0.6in / 16.1mm and November the wettest month with 5in / 127.1mm.
With an average air temperature of 61°F / 16.1°C, August is the warmest month in a year. February is the coldest with 44.4°F / 6.9°C average air temperature.
The Climate is described as temperate oceanic climate with warm summer. Best time to Visit would be in June, July, August, September.

St David's Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: September with 15.4°C / 59.7°F
Coldest Month Water Temperature: March with 8.3°C / 46.9°F
Warmest Month Air Temperature: August with 16.1°C / 61°F
Coldest Month Air Temperature: February with 6.9°C / 44.4°F
Wettest Month: November with 127.1mm / 5in
Driest Month: June with 16.1mm / 0.6in
Highest Humidity August with 82.1%
Lowest Humidity November with 79.6%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

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St David's water temperature by month

Irish Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

10.4 9.8 9.2

February

9.2 8.8 8.5

March

8.5 8.3 8.2

April

9.5 8.9 8.5

May

11.2 10.3 9.6

June

13.2 12.2 11.2

July

14.9 14.1 13.2

August

15.7 15.3 14.9

September

15.6 15.4 15.1

October

15.1 14.5 13.9

November

13.9 13 12.2

December

12.2 11.3 10.4

Irish Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

50.7 49.6 48.6

February

48.6 47.8 47.3

March

47.3 46.9 46.8

April

49.1 48 47.3

May

52.2 50.5 49.3

June

55.8 54 52.2

July

58.8 57.4 55.8

August

60.3 59.5 58.8

September

60.1 59.7 59.2

October

59.2 58.1 57

November

57 55.4 54

December

54 52.3 50.7
The highest water temperature will be reached in September with around 59.7°F / 15.4°C. The lowest in March with an average water temperature of 46.9°F / 8.3°C.

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St David's weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 21
Light shower rain
46 °F
44°F
8 °C
7°C
3mph (5km/h)
south
0in (3mm)
65 %
83%
Jan. 22
Few clouds
48 °F
43°F
9 °C
6°C
2mph (3km/h)
south-southwest
0in (0mm)
20 %
86%
Jan. 23
Light rain
53 °F
46°F
12 °C
8°C
5mph (8km/h)
southwest
0in (10mm)
85 %
80%
Jan. 24
Heavy rain
49 °F
44°F
9 °C
7°C
8mph (13km/h)
southwest
1in (25mm)
95 %
74%
Jan. 25
Heavy rain
49 °F
42°F
9 °C
6°C
5mph (9km/h)
west-southwest
1in (15mm)
90 %
68%
Jan. 26
Heavy rain
47 °F
41°F
8 °C
5°C
5mph (8km/h)
south
1in (23mm)
90 %
83%
Jan. 27
Heavy rain
50 °F
44°F
10 °C
7°C
7mph (11km/h)
south-southeast
1in (24mm)
90 %
90%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 28
Light rain
49 °F
46°F
9 °C
8°C
9mph (14km/h)
southwest
0in (10mm)
85 %
85%
Jan. 29
Light rain
48 °F
43°F
9 °C
6°C
5mph (8km/h)
west-southwest
0in (7mm)
80 %
85%
Jan. 30
Moderate rain
51 °F
40°F
11 °C
5°C
5mph (8km/h)
south-southwest
0in (12mm)
85 %
86%
Jan. 31
Moderate rain
51 °F
45°F
11 °C
7°C
8mph (14km/h)
west-southwest
0in (11mm)
85 %
90%
Feb. 01
Light shower rain
53 °F
44°F
11 °C
7°C
7mph (11km/h)
west-southwest
0in (4mm)
65 %
86%
Feb. 02
Light shower rain
50 °F
47°F
10 °C
8°C
7mph (12km/h)
southwest
0in (2mm)
55 %
82%
Feb. 03
Mix snow/rain
43 °F
41°F
6 °C
5°C
8mph (12km/h)
west
0in (9mm)
80 %
71%
Feb. 04
Light shower rain
44 °F
39°F
7 °C
4°C
5mph (9km/h)
west-northwest
0in (3mm)
60 %
70%
Feb. 05
Few clouds
49 °F
39°F
10 °C
4°C
3mph (4km/h)
west-northwest
0in (1mm)
30 %
81%

St David's weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

9.4 7.4 5.2 125.5 12 80.1%

February

8.8 6.9 4.9 77.3 6 79.6%

March

10.1 7.5 4.4 30.4 2 80.2%

April

12.5 9.2 6.2 29.2 3 79.7%

May

14.8 11.6 8.5 34.6 5 80.3%

June

17.2 14.1 11.4 16.1 1 81.5%

July

18.5 15.9 13.4 23.1 5 81.8%

August

18.1 16.1 14.1 66.8 10 82.1%

September

17.5 15.1 12.5 43.6 2 80.4%

October

15.7 12.8 10.4 108.3 0 79.8%

November

12.9 10.2 7.5 127.1 18 79.6%

December

10.5 8.3 6.1 120.9 16 79.7%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

48.9 45.3 41.4 4.9 12 80.1%

February

47.8 44.4 40.8 3 6 79.6%

March

50.2 45.5 39.9 1.2 2 80.2%

April

54.5 48.6 43.2 1.1 3 79.7%

May

58.6 52.9 47.3 1.4 5 80.3%

June

63 57.4 52.5 0.6 1 81.5%

July

65.3 60.6 56.1 0.9 5 81.8%

August

64.6 61 57.4 2.6 10 82.1%

September

63.5 59.2 54.5 1.7 2 80.4%

October

60.3 55 50.7 4.3 0 79.8%

November

55.2 50.4 45.5 5 18 79.6%

December

50.9 46.9 43 4.8 16 79.7%
June is the month with the lowest rain of 0.6in / 16.1mm and November with the highest precipitation in a year with 5in / 127.1mm. The avg. temperature is around 61°F / 16.1°C, August is the month with the highest temperature. February is the coolest with 44.4°F / 6.9°C average temperature.

Activities & POI in St David's

Type of Activity List
Beach Caerbwdy Bay, Porthlysgi Bay, Porth Lleuog, Aber Mawr, Abermyharan, Whitesands Beach
Attraction Old Market Cross
Golf Course St Davids City Golf Club
Caravan Site Lleithyr Park Caravan Park, Hendre Eynon C & C Site
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