July in Falkirk is the rainiest, the cloudiest, and the warmest month of the year. In July, the weather in Falkirk is typically warm. Average daily high temperature in July is about 17 degrees above zero. On average, Falkirk has 17 rainy, 10 partly cloudy, and 4 cloudy days in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Falkirk.