Cornwall (Newquay)
May
Weather in Cornwall for May 2027
Your guide to Cornwall weather in May - trends and predictions
In general, the average temperature in Cornwall at the beginning of May is 12.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.3 °C by the end of May.
Cornwall in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 58.9 mm.
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Temperatures
Rain 🌧️
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12
Dry days
19
Rainy days
0
Snow days
14°/10°
Temperatures
24 km/h
Avg max wind
82 %
Avg humidity
Cornwall Weather May
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Temperatures trend during May in Cornwall
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May weather in Cornwall day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 15° /10° | 0.9 mm | 3 | |
| 2 May |  Moderate rain | 12° /9° | 8.5 mm | 3 | |
| 3 May | Patchy rain possible | 13° /9° | 2.3 mm | 3 | |
| 4 May | Patchy rain possible | 13° /7° | 1 mm | 3 | |
| 5 May | Patchy rain possible | 12° /7° | 0.6 mm | 3 | |
| 6 May | Patchy rain possible | 12° /7° | 0.9 mm | 4 | |
| 7 May | Patchy rain possible | 13° /7° | 0.6 mm | 3 | |
| 8 May |  Overcast | 14° /8° | 0.3 mm | 3 | |
| 9 May | Patchy rain possible | 15° /9° | 0.2 mm | 3 | |
| 10 May | Overcast | 15° /9° | 0.2 mm | 5 | |
| 11 May |  Partly cloudy | 14° /10° | 3.5 mm | 4 | |
| 12 May | Patchy rain possible | 13° /9° | 0.8 mm | 4 | |
| 13 May | Moderate rain | 13° /9° | 5.1 mm | 4 | |
| 14 May | Light rain shower | 14° /10° | 4.1 mm | 3 | |
| 15 May | Patchy rain possible | 13° /10° | 1.2 mm | 4 | |
| 16 May | Patchy rain possible | 14° /9° | 1.1 mm | 3 | |
| 17 May | Light rain shower | 13° /9° | 2.1 mm | 3 | |
| 18 May | Patchy rain possible | 14° /10° | 4.8 mm | 3 | |
| 19 May | Patchy rain possible | 15° /10° | 2.6 mm | 3 | |
| 20 May | Patchy rain possible | 16° /10° | 0.8 mm | 5 | |
| 21 May | Light rain shower | 14° /10° | 3 mm | 3 | |
| 22 May | Patchy rain possible | 16° /11° | 0.4 mm | 5 | |
| 23 May | Patchy rain possible | 15° /11° | 0.2 mm | 5 | |
| 24 May | Patchy rain possible | 17° /11° | 0.6 mm | 5 | |
| 25 May | Light rain shower | 17° /12° | 2 mm | 4 | |
| 26 May |  Patchy light drizzle | 18° /13° | 2.7 mm | 4 | |
| 27 May | Light rain shower | 17° /12° | 2.2 mm | 5 | |
| 28 May | Patchy rain possible | 16° /12° | 1 mm | 4 | |
| 29 May | Partly cloudy | 16° /12° | 0.2 mm | 5 | |
| 30 May | Patchy rain possible | 15° /11° | 0.7 mm | 5 | |
| 31 May | Patchy rain possible | 15° /12° | 0.2 mm | 4 | |
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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.
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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 10°, 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 58.9 mm spread over approximately 19 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 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Cornwall water temperatures in May
The average water temperature of the Atlantic Ocean near Cornwall in May is 10.7 °C. At the beginning of May temperatures are around 10.1 °C; by the end of the month they get warmer and reach 11.3 °C.
- What is the water temperature in Cornwall in May?
- The average water temperature in Cornwall in May is 10.7 °C.
- Can you swim in Cornwall in May?
- Dangerously cold water: hypothermia risk is high. Only experienced cold-water swimmers with proper gear should consider entering.
May rainfall patterns in Cornwall
Explore the daily rainfall trends and prepare for Cornwalls May weather 💧
Typically, Cornwall has 19 rainy days in May with a total of 58.9 mm of rainfall.
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