May
Weather in Saint Helier for May 2026
Your guide to Saint Helier weather in May - trends and predictions
In general, the average temperature in Saint Helier at the beginning of May is 13.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 15.4 °C by the end of May.
Saint Helier in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 48 mm.
Temperatures
Rain 🌧️
14
Dry days
17
Rainy days
0
Snow days
14°/11°
Temperatures
29 km/h
Avg max wind
83 %
Avg humidity
Saint Helier Weather May
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Temperatures trend during May in Saint Helier
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May weather in Saint Helier day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 14° /10° | 5 mm | 4 | |
| 2 May | Patchy rain possible | 13° /10° | 6.9 mm | 3 | |
| 3 May |  Overcast | 13° /10° | 1.5 mm | 3 | |
| 4 May |  Moderate or heavy rain shower | 13° /9° | 1.7 mm | 4 | |
| 5 May | Patchy rain possible | 13° /10° | 2.8 mm | 3 | |
| 6 May | Moderate or heavy rain shower | 13° /10° | 5.2 mm | 3 | |
| 7 May |  Partly cloudy | 13° /11° | 0 mm | 4 | |
| 8 May | Moderate rain at times | 13° /10° | 2.5 mm | 3 | |
| 9 May |  Heavy rain at times | 13° /10° | 3.3 mm | 3 | |
| 10 May | Patchy rain possible | 14° /11° | 1.4 mm | 3 | |
| 11 May | Patchy rain possible | 14° /11° | 1 mm | 4 | |
| 12 May | Moderate rain at times | 14° /11° | 2.4 mm | 3 | |
| 13 May |  Cloudy | 15° /11° | 3.1 mm | 4 | |
| 14 May | Patchy rain possible | 15° /11° | 0.2 mm | 4 | |
| 15 May | Patchy rain possible | 14° /10° | 1.5 mm | 3 | |
| 16 May |  Sunny | 14° /10° | 0.1 mm | 4 | |
| 17 May | Overcast | 14° /11° | 0.1 mm | 3 | |
| 18 May | Cloudy | 14° /11° | 0.5 mm | 4 | |
| 19 May | Partly cloudy | 15° /11° | 0 mm | 4 | |
| 20 May | Sunny | 15° /12° | 0 mm | 4 | |
| 21 May | Overcast | 14° /11° | 1.5 mm | 3 | |
| 22 May | Patchy rain possible | 14° /12° | 0.3 mm | 3 | |
| 23 May | Cloudy | 14° /11° | 0.3 mm | 3 | |
| 24 May | Sunny | 14° /11° | 0.3 mm | 4 | |
| 25 May | Sunny | 16° /12° | 1.2 mm | 4 | |
| 26 May | Sunny | 15° /12° | 0.5 mm | 4 | |
| 27 May | Sunny | 15° /12° | 1.4 mm | 4 | |
| 28 May | Partly cloudy | 16° /13° | 0.8 mm | 4 | |
| 29 May | Overcast | 15° /12° | 1.5 mm | 3 | |
| 30 May | Sunny | 16° /12° | 0.8 mm | 4 | |
| 31 May | Overcast | 15° /12° | 0.3 mm | 4 | |
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Important Notice
Our weather forecast for Saint Helier in May 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 Saint Helier forecast closer to your planned date for the most up-to-date weather information.
Change Month
Saint Helier in May - FAQ
What are the expected maximum and minimum temperatures in Saint Helier during May?
During May, expect a variety of temperatures with highs around 14° and lows near 11°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Helier during May?
In May, Saint Helier can expect light to moderate rainfall, totaling 48 mm across approximately 17 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Saint Helier during May?
The average wind speed in Saint Helier during May is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Saint Helier
Explore the daily rainfall trends and prepare for Saint Heliers May weather 💧
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