When is the best time to go to Portsmouth

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The chart above shows the best time of year to visit Portsmouth, United Kingdom. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Portsmouth

Portsmouth weather by month

Please note our recommendations for when to visit Portsmouth are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Portsmouth January weather averages
Temp Rain Sunshine Day length
7°C 79mm 2.3hrs 9.8hrs

January is a reasonably dry month in Portsmouth and the temperature is generally cool.

Based on weather alone, this is probably a time of year to avoid going to Portsmouth for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

January is in the winter in Portsmouth and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 3°C (37°F) is normal.

On average January is the driest month of the year in Portsmouth with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.3 hours of sunshine per day.

Portsmouth weather in January »

February

Portsmouth February weather averages
Temp Rain Sunshine Day length
7°C 53mm 3.2hrs 11.2hrs

February in Portsmouth is generally reasonably dry with the temperature being cool.

Based on weather alone, this is probably a time of year to avoid going to Portsmouth for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

February is in the winter in Portsmouth and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 3°C (37°F) is normal.

On average February is the 2nd driest month of the year in Portsmouth with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.2 hours of sunshine per day.

Portsmouth weather in February »

March

Portsmouth March weather averages
Temp Rain Sunshine Day length
9°C 60mm 4.6hrs 12.9hrs

The weather in March in Portsmouth is characteristically cool and reasonably dry.

Based on weather alone, this is probably a time of year to avoid going to Portsmouth for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

March is in the spring in Portsmouth and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 10°C (49°F), whilst at night 4°C (39°F) is normal.

On average March is the 3rd driest month of the year in Portsmouth with around 60mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.6 hours of sunshine per day.

Portsmouth weather in March »

April

Portsmouth April weather averages
Temp Rain Sunshine Day length
11°C 47mm 6.4hrs 14.9hrs

Portsmouth's weather in April is typically cool and reasonably dry in nature.

Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Portsmouth.

April is in the spring in Portsmouth and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 6°C (42°F) is normal.

On average April is the 4th driest month of the year in Portsmouth with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

Portsmouth weather in April »

May

Portsmouth May weather averages
Temp Rain Sunshine Day length
14°C 48mm 7.9hrs 16.8hrs

May is a reasonably dry month in Portsmouth and the temperature is generally mild.

It is perhaps a good month to visit Portsmouth, with some inordinately good weather at this time of year.

May is in the spring in Portsmouth and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 9°C (47°F) is normal.

On average May is the 5th driest month of the year in Portsmouth with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

Portsmouth weather in May »

June

Portsmouth June weather averages
Temp Rain Sunshine Day length
17°C 44mm 8.3hrs 9.8hrs

Mild and reasonably dry weather often prevails in Portsmouth during the month of June

It is perhaps a good month to visit Portsmouth, with some inordinately good weather at this time of year.

June is in the summer in Portsmouth and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 12°C (53°F) is normal.

On average June is the 6th driest month of the year in Portsmouth with around 44mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

Portsmouth weather in June »

July

Portsmouth July weather averages
Temp Rain Sunshine Day length
19°C 39mm 8.2hrs 11.2hrs

July in Portsmouth is generally reasonably dry with the temperature being mild.

It is perhaps the perfect month to visit Portsmouth, with some surprisingly good weather at this time of year.

July is in the summer in Portsmouth and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 14°C (56°F) is normal.

On average July is the 6th wettest month of the year in Portsmouth with around 39mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

Portsmouth weather in July »

August

Portsmouth August weather averages
Temp Rain Sunshine Day length
19°C 53mm 7.6hrs 12.9hrs

The weather in August in Portsmouth is characteristically mild and reasonably dry.

It is perhaps the perfect month to visit Portsmouth, with some particularly good weather at this time of year.

August is in the summer in Portsmouth and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 14°C (57°F) is normal.

On average August is the 5th wettest month of the year in Portsmouth with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.6 hours of sunshine per day.

Portsmouth weather in August »

September

Portsmouth September weather averages
Temp Rain Sunshine Day length
16°C 63mm 6hrs 14.9hrs

Portsmouth's weather in September is typically mild and reasonably dry in nature.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Portsmouth.

September is in the fall / autumn in Portsmouth and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 12°C (53°F) is normal.

On average September is the 4th wettest month of the year in Portsmouth with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 6 hours of sunshine per day.

Portsmouth weather in September »

October

Portsmouth October weather averages
Temp Rain Sunshine Day length
14°C 75mm 4.3hrs 16.8hrs

October is a reasonably dry month in Portsmouth and the temperature is generally mild.

Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Portsmouth.

October is in the fall / autumn in Portsmouth and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 10°C (49°F) is normal.

On average October is the 3rd wettest month of the year in Portsmouth with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.3 hours of sunshine per day.

Portsmouth weather in October »

November

Portsmouth November weather averages
Temp Rain Sunshine Day length
10°C 80mm 3.1hrs 9.8hrs

Cool and reasonably dry weather often prevails in Portsmouth during the month of November

Based on weather alone, this is probably a time of year to avoid going to Portsmouth for your holidays. The weather is often not a good and not conducive to spending time outdoors.

November is in the fall / autumn in Portsmouth and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 6°C (43°F) is normal.

On average November is the 2nd wettest month of the year in Portsmouth with around 80mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.1 hours of sunshine per day.

Portsmouth weather in November »

December

Portsmouth December weather averages
Temp Rain Sunshine Day length
8°C 78mm 2.3hrs 11.2hrs

December in Portsmouth is generally reasonably dry with the temperature being cool.

Based on weather alone, this is probably a time of year to avoid going to Portsmouth for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

December is in the winter in Portsmouth and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.

On average December is the wettest month of the year in Portsmouth with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.3 hours of sunshine per day.

Portsmouth weather in December »

Other monthly averages

UV index Best time to go?

Portsmouth weather stats

Portsmouth weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: July 39mm 1.5ins
Sunniest month: August 7.6hrs
Coldest month: February 7.4°C 45.3°F
Wettest month: November 80mm 3.1ins
Warmest sea: August 16.9°C 62.4°F
Map showing location of Portsmouth (50.79899, -1.09125) Portsmouth map pin © Google

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