The weather in Hertfordshire in January is very cold with temperatures between 35°F and 44°F, warm clothes are a must.
You can expect rain for roughly half of the month of January in Hertfordshire. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Hertfordshire during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Hertfordshire.
Our weather forecast can give you a great sense of what weather to expect in Hertfordshire in January 2026.
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.
