Cornwall (St Ives)
May
Weather in Cornwall for May 2025
Your guide to Cornwall weather in May - trends and predictions
In general, the average temperature in Cornwall at the beginning of May is 11.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 13.9 °C by the end of May.
Cornwall in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 52.8 mm.
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Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
14°/11°
Temperatures
25 km/h
Avg max wind
85 %
Avg humidity
Cornwall Weather May
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2 10° | 3 12° | 4  12° | |||
| 5 13° | 6 12° | 7  12° | 8 14° | 9  15° | 10  16° | 11 16° |
| 12 15° | 13  13° | 14 14° | 15 14° | 16 14° | 17 14° | 18 14° |
| 19 15° | 20 16° | 21 15° | 22 14° | 23 12° | 24 13° | 25 14° |
| 26 14° | 27 14° | 28 14° | 29 14° | 30 14° | 31 13° |
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Temperatures trend during May in Cornwall
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 12° /8° | 0.9 mm | 3 | |
| 2 May | Light rain shower | 10° /8° | 6.9 mm | 3 | |
| 3 May | Patchy rain possible | 12° /9° | 0.2 mm | 3 | |
| 4 May | Light drizzle | 12° /8° | 0.9 mm | 3 | |
| 5 May | Light rain shower | 13° /9° | 1 mm | 3 | |
| 6 May | Patchy rain possible | 12° /9° | 0 mm | 3 | |
| 7 May | Partly cloudy | 12° /10° | 0 mm | 4 | |
| 8 May | Partly cloudy | 14° /10° | 0 mm | 4 | |
| 9 May | Sunny | 15° /10° | 0 mm | 5 | |
| 10 May | Cloudy | 16° /10° | 0 mm | 4 | |
| 11 May | Partly cloudy | 16° /11° | 0 mm | 5 | |
| 12 May | Patchy rain possible | 15° /10° | 0 mm | 3 | |
| 13 May | Moderate rain | 13° /10° | 16.3 mm | 3 | |
| 14 May | Light rain shower | 14° /10° | 2.7 mm | 3 | |
| 15 May | Light rain shower | 14° /11° | 1.9 mm | 3 | |
| 16 May | Patchy rain possible | 14° /10° | 0.1 mm | 3 | |
| 17 May | Patchy rain possible | 14° /11° | 1.6 mm | 3 | |
| 18 May | Patchy rain possible | 14° /12° | 0 mm | 3 | |
| 19 May | Light rain shower | 15° /12° | 1.5 mm | 4 | |
| 20 May | Patchy rain possible | 16° /12° | 1.3 mm | 4 | |
| 21 May | Patchy rain possible | 15° /12° | 0.7 mm | 4 | |
| 22 May | Patchy rain possible | 14° /11° | 0.5 mm | 3 | |
| 23 May | Patchy rain possible | 12° /11° | 0.2 mm | 3 | |
| 24 May | Patchy rain possible | 13° /10° | 0.8 mm | 3 | |
| 25 May | Light rain shower | 14° /9° | 5.4 mm | 3 | |
| 26 May | Light rain shower | 14° /11° | 3.8 mm | 3 | |
| 27 May | Light rain shower | 14° /11° | 3.3 mm | 3 | |
| 28 May | Light rain shower | 14° /13° | 1.2 mm | 3 | |
| 29 May | Patchy rain possible | 14° /13° | 0.3 mm | 3 | |
| 30 May | Patchy rain possible | 14° /12° | 1.2 mm | 3 | |
| 31 May | Patchy rain possible | 13° /12° | 0.1 mm | 3 | |
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Important Notice
Our weather forecast for Cornwall 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 Cornwall forecast closer to your planned date for the most up-to-date weather information.
Cornwall in May - FAQ
What are the expected maximum and minimum temperatures in Cornwall 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 Cornwall during May?
Moderate rainfall is anticipated in Cornwall during May, with a total of 52.8 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cornwall during May?
The average wind speed in Cornwall during May is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Cornwall
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