Cromwell is a city located in Oklahoma. With a current population of 272, it is the 414th largest city in Oklahoma and the 15672nd largest city in the United States. Spanning over 1 mile, the city has a population density of 251 people per square mile.

January has the coldest night time temperatures for Cromwell with an average of 28.3°F. August, on the other hand, is easily the hottest with an average high-temperature of 94.3°F. Furthermore, May is the month with the most rainfall while January still proves to be the driest.