Sea Temperature in Portland in October

Complete information on the sea temperature range in the English Channel in Portland in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in Portland. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Portland in October

14°C

MINIMUN

16.5°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in October in Portland

Water Temperature Chart for English Channel in Portland in October

Sea Temperature Table in Portland in October Over the Past Years

Day	2024	2023	2022	Average
Oct 1	17°C	17°C	15°C	16.5°C
Oct 2	17°C	17°C	15°C	16.5°C
Oct 3	16°C	17°C	15°C	16.3°C
Oct 4	17°C	17°C	16°C	16.8°C
Oct 5	17°C	16°C	14°C	15.8°C
Oct 6	17°C	16°C	17°C	16.5°C
Oct 7	16°C	16°C	14°C	15.3°C
Oct 8	16°C	16°C	14°C	15.3°C
Oct 9	17°C	16°C	17°C	16.5°C
Oct 10	17°C	16°C	16°C	16.3°C
Oct 11	16°C	16°C	16°C	16.0°C
Oct 12	17°C	16°C	14°C	15.8°C
Oct 13	17°C	16°C	16°C	16.3°C
Oct 14	16°C	15°C	14°C	15.0°C
Oct 15	16°C	16°C	15°C	15.5°C
Oct 16	16°C	15°C	15°C	15.3°C
Oct 17	16°C	15°C	15°C	15.3°C
Oct 18	16°C	15°C	14°C	15.3°C
Oct 19	16°C	15°C	16°C	15.8°C
Oct 20	16°C	15°C	14°C	15.0°C
Oct 21	16°C	15°C	16°C	15.8°C
Oct 22	16°C	15°C	16°C	15.5°C
Oct 23	16°C	15°C	16°C	15.8°C
Oct 24	16°C	15°C	14°C	15.0°C
Oct 25	15°C	15°C	16°C	15.5°C
Oct 26	17°C	15°C	17°C	16.3°C
Oct 27	17°C	15°C	14°C	15.5°C
Oct 28	16°C	15°C	17°C	15.5°C
Oct 29	16°C	15°C	16°C	15.3°C
Oct 30	17°C	14°C	16°C	15.5°C

Portland Climate and Swimming Opportunities in October

15°C

Average Day Air Temperature

9°C

Average Night Air Temperature

96 mm

Precipitation Amount per Month

13 days

Number of Rainy Days

11 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

20 km/h

Average Wind Speed

89%

Average
humidity

Portland lies within the England in United Kingdom. The average daytime temperature in Portland in October is 15°C (59°F), while the nighttime average is 9°C (48°F). There are typically 13 rainy days during the month, with a total precipitation of 96 mm (3.8 inches). The daylight duration in October in Portland is 11 hours, with an average of 4 hours of sunshine per day. The average wind speed in October is 20 km/h (12 mph), and the humidity level is around 89%.

The water temperature in Portland in October ranges from 15°C to 16°C (59°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 16°C (61°F) by mid-October and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Portland for October is 16°C (61°F).

Sea Temperature in October in Nearby Cities

Frequently Asked Questions About Water Temperatures in October in Portland

What is the sea temperature in Portland in October?

The water temperature in the English Channel in Portland in October ranges from 15°C to 16°C (59°F to 61°F).

Is it possible to swim in the Celtic Sea in Porthleven in October?

The average sea temperature in Porthleven in October is 15°C (59°F), and the air temperature is 17°C (62°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.