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

Monthly weather forecast and climate
Portsmouth, United Kingdom

Enero, like Diciembre, is a frosty winter month in Portsmouth, United Kingdom, with average temperature varying between 3.4°C (38.1°F) and 8.2°C (46.8°F). The coldest months are Enero and Febrero, with an average high-temperature of 8.2°C (46.8°F).

The last month of the winter, Febrero, is also a frosty month in Portsmouth, United Kingdom, with average temperature fluctuating between 8.2°C (46.8°F) and 2.8°C (37°F). The coldest months are Enero and Febrero, with an average high-temperature of 8.2°C (46.8°F).

Marzo, the first month of the spring, in Portsmouth, is a cool month, with temperature in the range of an average low of 4.5°C (40.1°F) and an average high of 10.5°C (50.9°F). In Portsmouth, the average high-temperature is practically the same as in Febrero - a fresh 10.5°C (50.9°F).

Abril is a mild spring month in Portsmouth, United Kingdom, with average temperature varying between 13.2°C (55.8°F) and 6.1°C (43°F). In Portsmouth, the average high-temperature in Abril is practically the same as in Marzo - a moderate 13.2°C (55.8°F).

The last month of the spring, Mayo, is a comfortable month in Portsmouth, United Kingdom, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 16.7°C (62.1°F). In Mayo, the average high-temperature marginally rises, from a mild 13.2°C (55.8°F) in Abril, to a comfortable 16.7°C (62.1°F). Weather in Mayo »

Junio, the first month of the summer, in Portsmouth, is also an enjoyable month, with average temperature varying between 19.2°C (66.6°F) and 12.1°C (53.8°F). In Junio, the average high-temperature is essentially the same as in Mayo - a still enjoyable 19.2°C (66.6°F).

Julio in Portsmouth, United Kingdom, is an agreeable summer month, with average temperature varying between 21.4°C (70.5°F) and 14.2°C (57.6°F). The warmest months are Julio and Agosto, with an average high-temperature of 21.4°C (70.5°F).

The last month of the summer, Agosto, is also an agreeable month in Portsmouth, United Kingdom, with temperature in the range of an average high of 21.4°C (70.5°F) and an average low of 14.3°C (57.7°F). Julio and Agosto, with an average high-temperature of 21.4°C (70.5°F), are the warmest months.

The first month of the autumn, Septiembre, is also an enjoyable month in Portsmouth, United Kingdom, with average temperature ranging between min 12.2°C (54°F) and max 19°C (66.2°F). In Septiembre, the average high-temperature is almost the same as in Agosto - a comfortable 19°C (66.2°F).

Octubre, like Septiembre, is another mild autumn month in Portsmouth, United Kingdom, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 9.6°C (49.3°F). In Octubre, the average high-temperature marginally drops, from a comfortable 19°C (66.2°F) in Septiembre, to a moderate 15.5°C (59.9°F).

Noviembre, the last month of the autumn, in Portsmouth, is another cool month, with average temperature fluctuating between 11.5°C (52.7°F) and 6.2°C (43.2°F). In Noviembre, the average high-temperature slightly decreases, from a moderate 15.5°C (59.9°F) in Octubre, to a cool 11.5°C (52.7°F).

Diciembre, the first month of the winter, in Portsmouth, is also a frosty month, with average temperature fluctuating between 8.7°C (47.7°F) and 3.8°C (38.8°F). In Diciembre, the average high-temperature is essentially the same as in Noviembre - a chilly 8.7°C (47.7°F).

What is the coldest month in Portsmouth?

The coldest months are Enero and Febrero, with an average high-temperature of 8.2°C (46.8°F).

How many days does it rain in Portsmouth?

Throughout the year, in Portsmouth, there are 103.4 rainfall days, and 699mm (27.52") of precipitation is accumulated.

What are the months with the lowest UV index in Portsmouth?

Months with the lowest UV index are Enero, Febrero, Noviembre and Diciembre, with an average maximum UV index of 1.

What is the month with the coldest sea water in Portsmouth?

Marzo is the month with the coldest seawater in Portsmouth, with an average sea temperature of 8.6°C (47.5°F).

What are the months with the highest UV index in Portsmouth?

Mayo through Agosto, with an average maximum UV index of 6, are months with the highest UV index in Portsmouth, United Kingdom.

What is the driest month in Portsmouth?

The month with the least rainfall is Junio when the rain falls for 7.4 days and typically collects 42mm (1.65") of precipitation.

When are the longest days in Portsmouth?

The month with the longest days is Junio, with an average of 16.4h of daylight.

What are the warmest months in Portsmouth?

Warmest months in Portsmouth are Julio and Agosto, with an average high-temperature of 21.4°C (70.5°F).

What month has the most sunshine in Portsmouth?

Julio has the most sunshine of the year in Portsmouth, United Kingdom, with an average of 8.4h of sunshine.

When is the sea warmest in Portsmouth?

With an average sea temperature of 17.3°C (63.1°F), Septiembre is the month with the warmest seawater in Portsmouth.

What is the rainiest month in Portsmouth?

Octubre is the month with the most rainfall in Portsmouth. Rain falls for 10.9 days and accumulates 86.2mm (3.39") of precipitation.

What is the month with the shortest days in Portsmouth?

Diciembre has the shortest days of the year in Portsmouth, United Kingdom, with an average of 8h of daylight.

What is the month with the least sunshine in Portsmouth?

With an average of 2h of sunshine, Diciembre has the least sunshine of the year.
Average temperature - Portsmouth, United Kingdom
Average rainfall - Portsmouth, United Kingdom

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

Average rainfall days - Portsmouth, United Kingdom

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 - Portsmouth, United Kingdom

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 / Average sunshine - Portsmouth, United Kingdom
Average UV index - Portsmouth, United Kingdom