Port Seton Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Seton.
Climate overview of Port Seton
The climate in Port Seton, Lothian, United Kingdom, sees a moderate range of temperatures across the year, from 18°C (64°F) in July down to 8°C (46°F) in January.
Port Seton sees a moderate amount of rain/snowfall, totalling around 962 mm (38 in) per year. It experiences pleasant summers and cold winters, creating some seasonal variation. The most sunshine falls in May, with an average of 6.4 hours of daily sunshine.
Port Seton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Seton - and find the best time to visit.
Monthly Temperature in Port Seton
The climate in Port Seton experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a pleasant 18°C (64°F) in July, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 12°C (54°F) in July to around 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Seton
On average, Port Seton receives a reasonable amount of rain/snowfall, with an annual precipitation of 962 mm (38 in). Year-round, Port Seton has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 96 mm (3.8 in), and the driest month, April, with 64 mm (2.5 in), is minimal. For more details, please visit our Port Seton Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Port Seton
Seasonal changes in sunshine hours are quite dramatic in Port Seton. While May receives considerable daily sunshine with up to 6.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Port Seton
The mean water temperature over the year ranges from 5°C (41°F) in March to 13°C (55°F) in July.
Water temperature over the year
Humidity in Port Seton by Month
The city experiences its highest humidity in January, reaching 84%. In April, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Port Seton
The mean wind speed over the year ranges from 4 m/s (8 knots) in February, April, May, June, July, August, September, October and November to 5 m/s (10 knots) in January, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Port Seton
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Port Seton
What is the best time to visit Port Seton?
July and August typically offer the most optimal weather in Port Seton. In contrast, January, February, March, November and December tend to have less optimal conditions. Port Seton has pleasant summers and cold winters.
What temperatures can I expect in Port Seton?
Daytime highs range from 8°C (46°F) in January to 18°C (64°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F).
How much rain does Port Seton get?
Annual rainfall is around 962 mm (38 in). October is the wettest month with 96 mm (3.8 in), while April is the driest with 64 mm (2.5 in).
How sunny is Port Seton?
Port Seton receives around 1,428 hours of sunshine per year. May is the sunniest month with 193 hours, while December is the cloudiest with just 48 hours.
Port Seton 3-Day Forecast
Port Seton 3-Day Forecast
Port Seton on the map
Port Seton is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
London
23°C (73°F) Bath22°C (72°F) York22°C (72°F) Manchester
21°C (70°F) Edinburgh
19°C (66°F) Glasgow19°C (66°F) Torquay20°C (68°F) Blackpool19°C (66°F) 
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