Portstewart Water Temperature
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Portstewart is a town close to Sea of the Hebrides.
September is the month with the highest water temperature at 57.4°F / 14.1°C.
The coldest month is March with an average water temperature of 45.3°F / 7.4°C.
May is the driest at 2in / 50.9mm and November the wettest month with 4.9in / 125.1mm.
With an average air temperature of 57°F / 13.9°C, July is the warmest month in a year. January is the coldest with 40.1°F / 4.5°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.
The coldest month is March with an average water temperature of 45.3°F / 7.4°C.
May is the driest at 2in / 50.9mm and November the wettest month with 4.9in / 125.1mm.
With an average air temperature of 57°F / 13.9°C, July is the warmest month in a year. January is the coldest with 40.1°F / 4.5°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.
Portstewart 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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Portstewart 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 |
The highest water temperature will be reached in September with around 57.4°F / 14.1°C.
The lowest in March with an average water temperature of 45.3°F / 7.4°C.
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Portstewart weather today & 14-day weather forecast
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Portstewart 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 Portstewart
| Type of Activity | List |
|---|---|
| Beach | Portstewart Strand |
| Golf Course | Riverside - Portstewart Golf Club, The Strand - Portstewart Golf Club, The Old Course |
| Caravan Site | Juniper Hill Caravan Park |
