July
Weather in July
Sea temperature
In Portland, United Kingdom, the average seawater temperature in July is 15.3°C (59.5°F).Note: Swimming is not a pleasant activity for most individuals in 15.3°C (59.5°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in July is 15h and 57min.On the first day of July in Portland, sunrise is at 5:02 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:55 pm BST.
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is the water in July in Portland?
In Portland, the average seawater temperature in July is 15.3°C (59.5°F). For most, swimming in 15.3°C (59.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
How many hours of daylight does Portland have in July?
In July, the average day length is 15h and 57min.
When are sunrise and sunset in July in Portland?
In July, on the first day of the month, sunrise is at 5:02 am and sunset at 9:25 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:55 pm BST.
Average sea temperature in July
Portland, United Kingdom
- Average sea temperature in July: 15.3°C
The best month for swimming (with the highest average sea temperature) is September (17.1°C).
The coldest month (with the lowest average sea temperature) is March (8.8°C).
Average daylight in July
Portland, United Kingdom
- Average daylight in July: 15h and 5min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
