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Weather in Portsmouth for June 2025

Your guide to Portsmouth weather in June - trends and predictions

    Temperatures

  • Until now, June 2025 in Portsmouth is slightly cooler than the historical average by -1.6 °C.

  • The forecast for the upcoming days in Portsmouth predicts a temperature of 21.8 °C, which is slightly above the historical average.

  • In general, the average temperature in Portsmouth at the beginning of June is 17.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.9 °C by the end of June.

    • Rain 🌧️

  • Portsmouth experiences moderate rainfall in June, with an average of 10 rainy days and a total precipitation of 22.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/12°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Portsmouth Weather June

Move between months or click on a day
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
18°
2
Sunny
18°
3
Sunny
18°
4
Patchy rain possible
17°
5
Sunny
17°
6
Patchy rain possible
17°
7
Sunny
17°
8
Patchy rain possible
18°
9
Cloudy
19°
10
Cloudy
18°
11
Moderate or heavy rain shower
17°
12
Heavy rain at times
18°
13
Light rain shower
19°
14
Partly cloudy
19°
15
Patchy rain possible
19°
16
Sunny
19°
17
Sunny
21°
18
Sunny
22°
19
Sunny
20°
20
Sunny
20°
21
Sunny
22°
22
Sunny
27°
23
Patchy rain possible
25°
24
Sunny
25°
25
Sunny
25°
26
Sunny
23°
27
Partly cloudy
18°
28
Partly cloudy
19°
29
Patchy rain possible
19°
30
Patchy rain possible
17°

Temperatures trend during June in Portsmouth

See the weather trend as well as the moving average line

June weather in Portsmouth day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Sunny
Sunny
 18° /10° 0 mm 5
2 Jun. Sunny
Sunny
 18° /9° 0 mm 5
3 Jun. Sunny
Sunny
 18° /10° 0.5 mm 5
4 Jun. Patchy rain possible
Patchy rain possible
 17° /10° 0.2 mm 5
5 Jun. Sunny
Sunny
 17° /9° 3 mm 4
6 Jun. Patchy rain possible
Patchy rain possible
 17° /9° 0.4 mm 4
7 Jun. Sunny
Sunny
 17° /9° 3 mm 5
8 Jun. Patchy rain possible
Patchy rain possible
 18° /9° 0.2 mm 5
9 Jun. Cloudy
Cloudy
 19° /11° 0 mm 5
10 Jun. Cloudy
Cloudy
 18° /12° 1 mm 4
11 Jun. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /12° 2.8 mm 4
12 Jun. Heavy rain at times
Heavy rain at times
 18° /13° 1 mm 4
13 Jun. Light rain shower
Light rain shower
 19° /13° 2.6 mm 4
14 Jun. Partly cloudy
Partly cloudy
 19° /13° 0.9 mm 5
15 Jun. Patchy rain possible
Patchy rain possible
 19° /12° 0.1 mm 1.9
16 Jun. Sunny
Sunny
 19° /13° 0 mm 2.1
17 Jun. Sunny
Sunny
 21° /13° 0 mm 2.3
18 Jun. Sunny
Sunny
 22° /13° 0 mm 2.3
19 Jun. Sunny
Sunny
 20° /15° 0 mm 2.2
20 Jun. Sunny
Sunny
 20° /16° 0 mm 5
21 Jun. Sunny
Sunny
 22° /16° 0 mm 5
22 Jun. Sunny
Sunny
 27° /17° 0 mm 6
23 Jun. Patchy rain possible
Patchy rain possible
 25° /18° 0.7 mm 5
24 Jun. Sunny
Sunny
 25° /16° 0 mm 6
25 Jun. Sunny
Sunny
 25° /19° 0 mm 6
26 Jun. Sunny
Sunny
 23° /15° 0 mm 5
27 Jun. Partly cloudy
Partly cloudy
 18° /12° 0 mm 4
28 Jun. Partly cloudy
Partly cloudy
 19° /10° 0 mm 4
29 Jun. Patchy rain possible
Patchy rain possible
 19° /13° 0.2 mm 5
30 Jun. Patchy rain possible
Patchy rain possible
 17° /12° 0.8 mm 4
Next
Important Notice
Our weather forecast for Portsmouth in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Portsmouth forecast closer to your planned date for the most up-to-date weather information.
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Portsmouth in June - FAQ

What are the expected maximum and minimum temperatures in Portsmouth during June?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Portsmouth during June?
In June, Portsmouth can expect light to moderate rainfall, totaling 22.9 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Portsmouth during June?
The average wind speed in Portsmouth during June is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Portsmouth

Explore the daily rainfall trends and prepare for Portsmouths June weather 💧

UV exposure in Portsmouth during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️

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Location coordinates Where is Portsmouth?

Get accurate weather forecasts for Portsmouth, located at latitude 50.799 and longitude -1.091. Stay updated with localized weather information tailored for Portsmouth.

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