Historical weather data, all-time temperature records, and monthly climate averages for Bartlesville, OK. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Bartlesville runs mild on average, with highs near 68° and lows around 42°. The date has seen some wild swings over the past century — from a scorching 89° back in 1929 to a bitter 24° low in 1987. There's a 1-in-4 chance of rain today, though snow is essentially off the table.
Bartlesville plays for keeps when it comes to weather extremes. The thermometer has topped out at a brutal 115° in July 1954 and bottomed out at -28° during the February 2011 deep freeze — a 143-degree spread between its all-time records. A single September day in 1986 dropped 7.07 inches of rain, and a March 1970 snowstorm buried the city under 16 inches.
Summers here are long and serious — expect highs in the mid-90s from mid-July through August, with the hottest stretch averaging 95° the week of July 16–22. Winters are cold but relatively short, with January highs only reaching 47°. If you're planning around rain, late spring is the wet season, peaking around May 7–13 with over an inch of precipitation in a typical week.