The temperatures in La Chaux de Fonds in August are comfortable with low of 11°C and and high up to 23°C.
You can expect rain for roughly half of the month of August in La Chaux de Fonds. 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.
Our weather forecast can give you a great sense of what weather to expect in La Chaux de Fonds in August 2025.
If you’re planning to visit La Chaux de Fonds in the near future, we highly recommend that you review the 14 day weather forecast for La Chaux de Fonds before you arrive.