Fall may have been delayed in its arrival to North Texas, but much chillier temperatures are slowly becoming the norm.

As Dallas-Fort Worth slowly approaches more consistent cold, many residents may be wondering when they’ll need to start winterizing their homes. Pets may already need to be brought inside in the coming days, with a low of 38 degrees forecast for Sunday night.

What’s the average first freeze date in Dallas-Fort Worth?

The average date of the first freeze at DFW International Airport is Nov. 23, according to the National Weather Service. That would put it on the Sunday before Thanksgiving, though it’s too early to tell if this year will be on par.

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The Climate Prediction Center has forecast higher-than-average temperatures for the last two weeks of the month, but those forecasts don’t include information about how far above normal temperatures are expected to climb. Last year, the first freeze didn’t arrive until Dec. 6.

The average arrival of 32 degrees in Dallas-Fort Worth has shifted three days later since 1970, according to a report released by Climate Central last month. Across the country, that change has been even more noticeable — an average of 12 days later across all the cities studied.

Once the first frost appears, it will likely be in and out across the winter months. The average date of the last frost (if you’re thinking that far ahead) is March 6.