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Normal weather for Portsmouth in June

It's pleasantly warm in June in Portsmouth with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 21°C. At night, you can expect temperatures between 11°C and 15°C.

In June, there is an average of 47 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.

Portsmouth in June

London
Temperature Average Temperature
20°C 22°C
Sun High Temp
21°C 24°C
Sun Low Temp
18°C 18°C
Rain Total Precipitation
47 mm 57 mm
Rain Rainy Days
8 days 10 days

Start of June

The month of June starts in Portsmouth with mild temperatures, averaging around 19°C during the day and nights close to 12°C. There’s little chance of precipitation. The weather is mostly sunny and dry.

Since temperatures can differ between day and night, it’s a good idea to dress in layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.

Mid-June

By mid-June, the average daytime temperature rises to around 21°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.

Temperatures vary between day and night, so it’s smart to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.

End of June

By the end of June, the average daytime temperature in Portsmouth will be around 21°C, with nights close to 14°C. A shower might show up, but overall the weather will be dry and sunny.

As it gets cooler in the evening, it’s best to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is June a good time to visit Portsmouth?

Want nice weather? Then June is a great time to be in Portsmouth. You’ll have pleasant temperatures and not too much rain this month.

Temperature records for Portsmouth in June

With 29°C, Portsmouth hit the highest temperature in the last 10 years in June 2020. The lowest daytime temperature in this month was 12°C in 2019. The extreme night temperatures ranged from a low of 6°C to a high of 19°C.

Check out the climate of Portsmouth for all months and discover the best travel time

Curious about the climate in other parts of England? Check out the weather and climate in places like London, Edinburgh, Cornwall, or have a look at other destinations in England.

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Daily Temperature in June in Portsmouth

This chart shows the average daily temperatures, both day and night, for each day in June in Portsmouth, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Temperature in June in Portsmouth

Daily Precipitation in June in Portsmouth

The chart below shows the average daily precipitation in June for Portsmouth, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for June, you can expect around 8 days of rain in Portsmouth.

Daily Precipitation in June in Portsmouth

Daily UV Index in June in Portsmouth

This chart shows the average daily UV index in June in Portsmouth, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in June in Portsmouth

Temperature in June in Portsmouth Over the Years

This chart shows the average temperature in June in Portsmouth, measured in degrees Celsius, over the past years.

Temperature in June in Portsmouth Over the Years

Total Precipitation in June in Portsmouth Over the Years

This chart shows the average precipitation in June in Portsmouth, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in June in Portsmouth Over the Years

Daily climate in June for Portsmouth

Click on a specific day in June for detailed info on the typical weather on that day in Portsmouth. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in June in Portsmouth

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Average Weather in Portsmouth by Month

Click on a month below to see detailed weather info for Portsmouth. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Portsmouth for all months at once

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