Average Weather in Stephenville Texas, United States. In Stephenville, the summers are hot and muggy, the winters are cold and windy, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 35Â°F to 94Â°F and is rarely below 23Â°F or above 100Â°F.
Due to the moderating effect of the ocean, temperatures are cooler than more inland areas of Orange County, where temperatures frequently exceed 90 Â°F (32 Â°C) and occasionally reach 100 Â°F (38 Â°C). The period of November through March is somewhat rainy, as shown in the table to right.
I live in the CA desert so the weather here varies as much as 100 degrees between the coldest of winter and the hottest of summer. At 7:36am, August 6th, it is now 81 degrees. The humidity is 69%. The yahoo expected high is 102 for today.