Portsmouth
United Kingdom
Long-term weather forecast
Long-term weather forecast

November weather forecast and climate
Portsmouth, United Kingdom

The last month of the autumn, November, is another cool month in Portsmouth, United Kingdom, with average temperature ranging between min 6.2°C (43.2°F) and max 11.5°C (52.7°F).

Temperature

In Portsmouth, the average high-temperature marginally drops, from a moderate 15.5°C (59.9°F) in October, to a cool 11.5°C (52.7°F). In Portsmouth, the average low-temperature is 6.2°C (43.2°F).

Rainfall

In Portsmouth, during November, the rain falls for 10.3 days and regularly aggregates up to 83.2mm (3.3") of precipitation. Throughout the year, there are 103.4 rainfall days, and 699mm (27.5") of precipitation is accumulated.

Sea temperature

In November, the average sea temperature in Portsmouth is 14.4°C (57.9°F).
Note: Swimming in 14.4°C (57.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In November, the average length of the day is 9h.

Sunshine

In Portsmouth, the average sunshine is 2.7h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in November in Portsmouth?

In November, in Portsmouth, the average high-temperature is 11.5°C (52.7°F), and the average low-temperature is 6.2°C (43.2°F).

How many days does it rain in November in Portsmouth?

In Portsmouth, during November, the rain falls for 10.3 days and regularly aggregates up to 83.2mm (3.3") of precipitation.

What is the water temperature in November in Portsmouth?

In Portsmouth, United Kingdom, the average seawater temperature in November is 14.4°C (57.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Portsmouth have in November?

In Portsmouth, the average length of the day in November is 9h.

How many hours of sunshine does Portsmouth have in November?

The average sunshine in November is 2.7h.

When is the lowest UV index in Portsmouth?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Portsmouth.

How high is the UV index in November in Portsmouth?

The average daily maximum UV index in November in Portsmouth, United Kingdom, is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in November - Portsmouth, United Kingdom
  • Average high temperature in November: 11.5°C

Warmest months (with the highest average high temperature) are July and August (21.4°C).
Months with the lowest average high temperature are January and February (8.2°C).

  • Average low temperature in November: 6.2°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).

Average rainfall in November - Portsmouth, United Kingdom
  • Average rainfall in November: 83.2mm

The wettest month (with the highest rainfall) is October (86.2mm).
The driest month (with the lowest rainfall) is June (42mm).

Average rainfall days in November - Portsmouth, United Kingdom
  • Average rainfall days in November: 10.3 days

Months with the highest number of rainy days are January and December (11.2 days).
The month with the lowest number of rainy days is July (5.4 days).

Average sea temperature in November - Portsmouth, United Kingdom
  • Average sea temperature in November: 14.4°C

The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).

Average daylight in November / Average sunshine in November - Portsmouth, United Kingdom
  • Average daylight in November: 9h

The month with the longest days is June (Average daylight: 16.4h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in November: 2.7h

The month with most sunshine is July (Average sunshine: 8.4h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in November - Portsmouth, United Kingdom
  • Average UV index in November: 1

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 1).