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Weather in St Helier for June 2026

Your guide to St Helier weather in June - trends and predictions

    Temperatures

  • Until now, June 2026 in St Helier has been nearly identical to the historical average, with a temperature of 15.6 °C (showing only a slight deviation of -0.4 °C).

  • The forecast for the next days in St Helier predicts temperatures to be around 21 °C, close to the historical average.

  • In general, the average temperature in St Helier at the beginning of June is 15.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.1 °C by the end of June.

    • Rain 🌧️

  • The climate of St Helier in June is notably wet, with an average of 12 rainy days, and a total of 32.2 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/14°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
82 %
Avg humidity

St Helier Weather June

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

Temperatures trend during June in St Helier

See the weather trend as well as the moving average line

June weather in St Helier day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
1 Jun. Partly cloudy
Partly cloudy
 16° /12° 0.3 mm 5
2 Jun. Partly cloudy
Partly cloudy
 15° /12° 2.8 mm 4
3 Jun. Overcast
Overcast
 16° /13° 1.3 mm 4
4 Jun. Sunny
Sunny
 16° /13° 1.5 mm 4
5 Jun. Partly cloudy
Partly cloudy
 15° /12° 2.1 mm 4
6 Jun. Partly cloudy
Partly cloudy
 15° /12° 1.4 mm 4
7 Jun. Partly cloudy
Partly cloudy
 16° /12° 1 mm 5
8 Jun. Overcast
Overcast
 15° /13° 1.9 mm 5
9 Jun. Patchy rain possible
Patchy rain possible
 15° /13° 0.5 mm 4
10 Jun. Moderate rain at times
Moderate rain at times
 15° /12° 1.9 mm 4
11 Jun. Patchy rain possible
Patchy rain possible
 16° /13° 1.3 mm 4
12 Jun. Partly cloudy
Partly cloudy
 16° /13° 2.3 mm 5
13 Jun. Cloudy
Cloudy
 17° /14° 2.2 mm 5
14 Jun. Sunny
Sunny
 18° /14° 1.2 mm 6
15 Jun. Sunny
Sunny
 17° /13° 1.6 mm 6
16 Jun. Partly cloudy
Partly cloudy
 17° /13° 0.4 mm 5
17 Jun. Patchy rain possible
Patchy rain possible
 18° /14° 0.2 mm 6
18 Jun. Sunny
Sunny
 18° /16° 0.1 mm 4.8
19 Jun. Patchy rain possible
Patchy rain possible
 18° /17° 0.8 mm 7.7
20 Jun. Partly cloudy
Partly cloudy
 16° /16° 0.1 mm 6.8
21 Jun. Patchy rain possible
Patchy rain possible
 21° /16° 0.4 mm 7.9
22 Jun. Patchy rain possible
Patchy rain possible
 22° /17° 0.3 mm 7.6
23 Jun. Sunny
Sunny
 21° /18° 0 mm 5
24 Jun. Sunny
Sunny
 23° /19° 0 mm 6
25 Jun. Sunny
Sunny
 24° /19° 0 mm 6
26 Jun. Sunny
Sunny
 25° /20° 0 mm 6
27 Jun. Patchy rain possible
Patchy rain possible
 22° /20° 0.2 mm 5
28 Jun. Patchy rain possible
Patchy rain possible
 25° /18° 0.3 mm 5
29 Jun. Patchy rain possible
Patchy rain possible
 22° /18° 0.8 mm 4
30 Jun. Patchy rain possible
Patchy rain possible
 21° /17° 0.6 mm 4
Next
Important Notice
Our weather forecast for St Helier 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 St Helier forecast closer to your planned date for the most up-to-date weather information.
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St Helier in June - FAQ

What are the expected maximum and minimum temperatures in St Helier during June?

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in St Helier during June?

In June, St Helier can expect light to moderate rainfall, totaling 32.2 mm across approximately 12 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in St Helier during June?

The average wind speed in St Helier during June is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in St Helier

Explore the daily rainfall trends and prepare for St Heliers June weather 💧
Typically, St Helier has 12 rainy days in June with a total of 32.2 mm of rainfall.

UV exposure in St Helier during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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Location coordinates Where is St Helier?

Get accurate weather forecasts for St Helier, located at latitude 49.188 and longitude -2.105. Stay updated with localized weather information tailored for St Helier.

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