The temperatures in Hertfordshire in July are comfortable with low of 14°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Hertfordshire during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Hertfordshire in July 2025.
If you’re planning to visit Hertfordshire in the near future, we highly recommend that you review the 14 day weather forecast for Hertfordshire before you arrive.