When to go · Merthyr Tydfil
Merthyr Tydfil in May
Great month. Inside Merthyr Tydfil's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 15°C (59°F)59°F (15°C) / 7°C (45°F)45°F (7°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- United Kingdom overall
- Prices
- Medium
- United Kingdom overall
Verdict
Inside Merthyr Tydfil's best window: May–Sep.
Is another month better than May?
No other month rates higher than May for Merthyr Tydfil in this guide.
Weather in May
- Merthyr TydfilHighs around 15 °C (59 °F), lows around 7 °C (45 °F), rain on about 12 daysHighs around 59 °F (15 °C), lows around 45 °F (7 °C), rain on about 12 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 Merthyr Tydfil, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 15 °C (59 °F)59 °F (15 °C)
Jun: 18 °C (64 °F)64 °F (18 °C)
Night low
May: 7 °C (45 °F)45 °F (7 °C)
Jun: 10 °C (50 °F)50 °F (10 °C)
Rain days
May: 12
Jun: 11 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Merthyr Tydfil's best window: May–Sep.
June: Inside Merthyr Tydfil's best window: May–Sep.
Merthyr Tydfil: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast