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Restaurants serving low-carb, low-fat and other more healthful menu items see a spike in orders when temperatures rise, GrubHub finds.

Low-carb, low-fat foods more popular during warm months

GrubHub finds that consumers order light, fresh menu items more frequently during warmer weather

As summer approaches, restaurants that offer light, fresh menu items see orders spike as temperature rise, according to the latest data from GrubHub.

The Chicago-based online ordering service cross-referenced two years of GrubHub order data with National Climatic Data Center statistics to compare order volume in “hot” and “cold” weather, which was defined on a city-by-city basis and based on temperature approximately one standard deviation higher or lower than the year-round average. National trends were based on an analysis of combined orders placed in Chicago; New York City; Washington, D.C.; Los Angeles; San Francisco; Boston and Philadelphia over a two-year period.

“The seasonality of ingredients plays into menus across the country, so we were interested to see if temperature affected takeout orders in a similar fashion,” Mike Evans, GrubHub co-founder and chief operating officer, said in a statement. “Our findings suggest a definite relationship between temperature and food choice.”

On a national level, restaurants serving low-carb menu options saw the biggest spike in orders as temperatures increased. GrubHub found that diners are 6 percent to 7 percent more likely to order from restaurants featuring those types of menu items in warmer weather than they are in colder weather. Additionally, diners are 4 percent to 5 percent more likely to order from restaurants serving salads, healthful options and Italian cuisine as temperatures rise, the data found. Finally, diners are 3 percent to 4 percent more likely to order from restaurants serving low-fat options and 2 percent to 3 percent more likely to order from restaurants serving seafood.

When broken down by city, the type of menu offerings that sparked a spike in warm weather order volume varied, but remained under the better-for-you umbrella. In San Francisco, diners are almost 50 percent more likely to order from restaurants serving low-carb options.

The same goes for Philadelphia, where diners are 25 percent more likely to order from restaurants serving low-carb options, and Chicago, where those ordering from GrubHub are almost 10 percent more likely to order from establishments offering low-carb dishes during warmer weather.

In New York and Los Angeles, however, restaurants offering gluten-free items seemed to cause the biggest increase in warm-weather orders. In both cities, diners were about 25 percent more likely to order from restaurants offering gluten-free menu items during warm months than they were during cold months.

In Boston, low-fat options took the top spot, with diners approximately 40 percent more likely to order from restaurants serving those types of dishes. Fresh fruit was the biggest spike driver in Washington, D.C., with GrubHub customers almost 60 percent more likely to order from restaurants serving fresh fruit, the data found.

Wraps, salads, vegan options and sushi also received higher numbers of orders during warm months.

The data also found that cuisines such as Chinese, Thai and Indian are more popular in colder months. Orders at restaurants serving sandwiches, sushi, dessert,

vegetarian and Mediterranean cuisines tend to remain steady throughout the year, regardless of the temperature.

GrubHub is available in more than 500 cities in the U.S. and features more than 20,000 online ordering restaurants.

Contact Charlie Duerr at [email protected].

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