Aberystwyth Water Temperature

Aberystwyth is a town close to Irish Sea. August is the month with the highest water temperature at 60.4°F / 15.8°C.
The coldest month is March with an average water temperature of 45.1°F / 7.3°C.
September is the driest at 1.2in / 30.6mm and December the wettest month with 6in / 151.8mm.
With an average air temperature of 59.2°F / 15.1°C, July is the warmest month in a year. February is the coldest with 40.3°F / 4.6°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.

Aberystwyth Summary

Description Value
Current water temperature 7 °C / 44.6 °F
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: July with 15.1°C / 59.2°F
Coldest Month Air Temperature: February with 4.6°C / 40.3°F
Wettest Month: December with 151.8mm / 6in
Driest Month: September with 30.6mm / 1.2in
Highest Humidity December with 86.9%
Lowest Humidity April with 78.1%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

Aberystwyth water temperature by month

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

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.

Aberystwyth weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 19
Heavy rain
51 °F
50°F
11 °C
10°C
7mph (11km/h)
south-southwest
1in (20mm)
95 %
92%
Jan. 20
Heavy rain
51 °F
40°F
11 °C
5°C
6mph (10km/h)
southwest
2in (39mm)
100 %
90%
Jan. 21
Moderate rain
44 °F
39°F
7 °C
4°C
7mph (11km/h)
west
0in (10mm)
90 %
76%
Jan. 22
Light shower rain
40 °F
36°F
5 °C
2°C
5mph (8km/h)
west
0in (5mm)
80 %
77%
Jan. 23
Overcast clouds
38 °F
31°F
3 °C
-0°C
1mph (2km/h)
west
0in (2mm)
65 %
79%
Jan. 24
Mix snow/rain
40 °F
32°F
4 °C
0°C
3mph (6km/h)
west-southwest
0in (7mm)
95 %
79%
Jan. 25
Light shower rain
45 °F
33°F
7 °C
1°C
4mph (7km/h)
west-northwest
0in (4mm)
80 %
83%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 26
Light rain
46 °F
34°F
8 °C
1°C
4mph (6km/h)
south
0in (9mm)
90 %
87%
Jan. 27
Heavy rain
48 °F
43°F
9 °C
6°C
5mph (8km/h)
southwest
1in (17mm)
95 %
92%
Jan. 28
Light rain
49 °F
38°F
10 °C
4°C
5mph (7km/h)
west-southwest
0in (5mm)
85 %
91%
Jan. 29
Light shower rain
40 °F
41°F
4 °C
5°C
5mph (8km/h)
south-southwest
0in (3mm)
75 %
93%
Jan. 30
Broken clouds
42 °F
37°F
5 °C
3°C
3mph (6km/h)
southwest
0in (2mm)
65 %
86%
Jan. 31
Light shower rain
43 °F
37°F
6 °C
3°C
2mph (3km/h)
northeast
0in (4mm)
80 %
93%
Feb. 01
Broken clouds
42 °F
35°F
6 °C
2°C
2mph (3km/h)
west-southwest
0in (0mm)
15 %
87%
Feb. 02
Light shower rain
43 °F
37°F
6 °C
3°C
5mph (8km/h)
southeast
0in (5mm)
85 %
87%
Feb. 03
Broken clouds
46 °F
42°F
8 °C
5°C
3mph (5km/h)
east
0in (0mm)
10 %
91%

Aberystwyth weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

7.3 4.8 1.7 100.8 16 86.5%

February

7.4 4.6 1.6 88.9 10 83.8%

March

10 5.7 1 33.9 5 81.5%

April

13.3 8 3.1 40 5 78.1%

May

15.2 10.8 6 32.7 9 78.2%

June

18.6 13.5 9.2 40.8 7 78.8%

July

19.2 15.1 11.5 39.1 14 80.4%

August

18.5 14.8 11.4 116.6 17 83.1%

September

17.5 13.3 9.3 30.6 5 82.5%

October

15 10.6 6.8 64.7 0 83.8%

November

11.4 7.5 3.5 127.3 15 86.2%

December

8.3 5.4 1.8 151.8 16 86.9%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

45.1 40.6 35.1 4 16 86.5%

February

45.3 40.3 34.9 3.5 10 83.8%

March

50 42.3 33.8 1.3 5 81.5%

April

55.9 46.4 37.6 1.6 5 78.1%

May

59.4 51.4 42.8 1.3 9 78.2%

June

65.5 56.3 48.6 1.6 7 78.8%

July

66.6 59.2 52.7 1.5 14 80.4%

August

65.3 58.6 52.5 4.6 17 83.1%

September

63.5 55.9 48.7 1.2 5 82.5%

October

59 51.1 44.2 2.5 0 83.8%

November

52.5 45.5 38.3 5 15 86.2%

December

46.9 41.7 35.2 6 16 86.9%
The hottest avg. temperature is around 59.2°F / 15.1°C, July is the month with the highest temperature. February is the coolest with 40.3°F / 4.6°C average temperature. September is the month with the lowest precipitation of 1.2in / 30.6mm and December with the maximum precipitation in a year with 6in / 151.8mm.

Activities & POI in Aberystwyth

Type of Activity List
Beach Traeth y Gogledd - North Beach, Traeth y De - South Beach
Marina for Sailing, Boat adventures, fishing Aberystwyth Marina
Attraction Aberystwyth Castle, Camera Obscura
Golf Course Aberystwyth Golf Course
Caravan Site Aberystwyth Holiday Village
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