When to go · Isle of Portland
Isle of Portland in May
Great month. Inside Isle of Portland's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 15°C (58°F)58°F (15°C) / 10°C (49°F)49°F (10°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United Kingdom overall
- Prices
- Medium
- United Kingdom overall
Verdict
Inside Isle of Portland's best window: May–Sep.
Is another month better than May?
No other month rates higher than May for Isle of Portland in this guide.
Weather in May
- Isle of PortlandHighs around 14.5 °C (58 °F), lows around 9.5 °C (49 °F), rain on about 9 daysHighs around 58 °F (14.5 °C), lows around 49 °F (9.5 °C), rain on about 9 days
Crowds and prices
- Crowds · United Kingdom overall
- Medium
- Prices · United Kingdom overall
- Medium
United Kingdom overall: One of the best months: long days, fewer midges, drier than average. Two bank-holiday weekends.
Compare two months
Weather, crowds and prices for any two months in Isle of Portland, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 14.5 °C (58 °F)58 °F (14.5 °C)
Jun: 17 °C (63 °F)63 °F (17 °C)
Night low
May: 9.5 °C (49 °F)49 °F (9.5 °C)
Jun: 12.2 °C (54 °F)54 °F (12.2 °C)
Rain days
May: 9
Jun: 8 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Isle of Portland's best window: May–Sep.
June: Inside Isle of Portland's best window: May–Sep.
Isle of Portland: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings