Portrush Water Temperature

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Portrush is a town close to Sea of the Hebrides. September is the month with the hottest water temperature at 57.4°F / 14.1°C. The coldest month is March with an ø water temperature of 45.3°F / 7.4°C. May is the month with the lowest precipitation of 2in / 50.9mm and November with the highest precipitation in a year with 4.9in / 125.1mm. The avg. air temperature is around 57°F / 13.9°C, July is the month with the highest temperature. January is the coolest with 40.1°F / 4.5°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.

Portrush Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: September with 14.1°C / 57.4°F
Coldest Month Water Temperature: March with 7.4°C / 45.3°F
Warmest Month Air Temperature: July with 13.9°C / 57°F
Coldest Month Air Temperature: January with 4.5°C / 40.1°F
Wettest Month: November with 125.1mm / 4.9in
Driest Month: May with 50.9mm / 2in
Highest Humidity December with 85.9%
Lowest Humidity May with 78.3%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

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Portrush water temperature by month

Sea of the Hebrides water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

9.1 8.5 8

February

8 7.7 7.4

March

7.6 7.4 7.3

April

8.7 8 7.5

May

10.3 9.4 8.7

June

12.1 11.2 10.3

July

13.7 12.9 12.1

August

14.4 14 13.7

September

14.3 14.1 13.7

October

13.7 13.2 12.5

November

12.5 11.6 10.8

December

10.8 10 9.2

Sea of the Hebrides water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

48.4 47.3 46.4

February

46.4 45.9 45.3

March

45.7 45.3 45.1

April

47.7 46.4 45.5

May

50.5 48.9 47.7

June

53.8 52.2 50.5

July

56.7 55.2 53.8

August

57.9 57.2 56.7

September

57.7 57.4 56.7

October

56.7 55.8 54.5

November

54.5 52.9 51.4

December

51.4 50 48.6
September is the month with the warmest water temperature at 57.4°F / 14.1°C. The month with the coldest is March with an average water temperature of 45.3°F / 7.4°C.

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Portrush weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jul. 15
Light rain
60 °F
56°F
16 °C
14°C
3mph (4km/h)
south
0in (7mm)
75 %
85%
Jul. 16
Few clouds
67 °F
57°F
19 °C
14°C
2mph (3km/h)
southwest
0in (0mm)
20 %
79%
Jul. 17
Light rain
66 °F
58°F
19 °C
14°C
3mph (4km/h)
south-southeast
0in (8mm)
80 %
82%
Jul. 18
Moderate rain
68 °F
58°F
20 °C
14°C
2mph (3km/h)
south
0in (9mm)
75 %
82%
Jul. 19
Light rain
65 °F
59°F
18 °C
15°C
1mph (2km/h)
east-southeast
0in (6mm)
75 %
86%
Jul. 20
Light rain
61 °F
53°F
16 °C
12°C
2mph (3km/h)
southeast
0in (6mm)
75 %
90%
Jul. 21
Overcast clouds
63 °F
55°F
17 °C
13°C
3mph (5km/h)
northwest
0in (0mm)
10 %
85%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jul. 22
Light shower rain
61 °F
50°F
16 °C
10°C
2mph (3km/h)
west
0in (2mm)
45 %
88%
Jul. 23
Broken clouds
62 °F
47°F
17 °C
8°C
2mph (3km/h)
west-southwest
0in (1mm)
25 %
83%
Jul. 24
Light rain
61 °F
52°F
16 °C
11°C
4mph (7km/h)
south-southwest
0in (9mm)
80 %
88%
Jul. 25
Light rain
55 °F
51°F
13 °C
11°C
5mph (8km/h)
west-southwest
0in (7mm)
75 %
93%
Jul. 26
Light shower rain
63 °F
48°F
17 °C
9°C
3mph (5km/h)
west-southwest
0in (4mm)
65 %
86%
Jul. 27
Light rain
58 °F
52°F
14 °C
11°C
4mph (6km/h)
southwest
0in (8mm)
80 %
94%
Jul. 28
Light shower rain
60 °F
48°F
15 °C
9°C
5mph (8km/h)
west
0in (3mm)
60 %
86%
Jul. 29
Light shower rain
62 °F
51°F
17 °C
11°C
4mph (7km/h)
west-northwest
0in (3mm)
60 %
83%
Jul. 30
Overcast clouds
64 °F
53°F
18 °C
12°C
3mph (4km/h)
southwest
0in (0mm)
10 %
83%

Portrush weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

7.3 4.5 1.8 119.3 17 85.4%

February

7.4 4.6 1.7 78.9 10 82.6%

March

9.1 5.5 1.2 54.3 9 80.3%

April

12.2 7.4 3.4 54.4 8 78.6%

May

13.9 9.9 5 50.9 11 78.3%

June

16.5 12.3 8.6 83.9 15 79.9%

July

17.7 13.9 10.4 99.7 18 81.4%

August

17.3 13.8 10.6 117.1 20 82.5%

September

16.5 12.5 9.4 91.7 14 81.9%

October

13.1 9.8 6.5 108.2 0 83%

November

10.2 7 3.7 125.1 18 84.8%

December

7.9 5 2 107.5 15 85.9%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

45.1 40.1 35.2 4.7 17 85.4%

February

45.3 40.3 35.1 3.1 10 82.6%

March

48.4 41.9 34.2 2.1 9 80.3%

April

54 45.3 38.1 2.1 8 78.6%

May

57 49.8 41 2 11 78.3%

June

61.7 54.1 47.5 3.3 15 79.9%

July

63.9 57 50.7 3.9 18 81.4%

August

63.1 56.8 51.1 4.6 20 82.5%

September

61.7 54.5 48.9 3.6 14 81.9%

October

55.6 49.6 43.7 4.3 0 83%

November

50.4 44.6 38.7 4.9 18 84.8%

December

46.2 41 35.6 4.2 15 85.9%
The hottest avg. temperature is around 57°F / 13.9°C, July is the month with the highest temperature. January is the coolest with 40.1°F / 4.5°C average temperature. May is the month with the lowest precipitation of 2in / 50.9mm and November with the maximum precipitation in a year with 4.9in / 125.1mm.

Activities & POI in Portrush

Type of Activity List
Beach East Strand, West Strand
Attraction Royal Portrush
Golf Course Royal Portrush Golf Club
Caravan Site Dhu Varren Caravan Park, Hilltop Camping
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