Historical weather data, all-time temperature records, and monthly climate averages for Bethany, OK. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Bethany typically feels like a pleasant spring day, with average highs of 71° and lows of 47°. The date has swung pretty wide over the years — from a balmy 87° in 2016 down to a freezing 32° in 2013 — but with only a 14% chance of rain, you're more likely than not to catch some sunshine.
Bethany plays host to some genuinely extreme weather: 112° in July 2018 and -13° during February 2021's deep freeze tell you everything about Oklahoma's range. The wettest single day on record dropped 7.1 inches in June 2010, and perhaps most surprisingly, April 13, 2019 buried the area under 9 inches of snow.
Summers run hot and long in Bethany — the peak week of July 16–22 averages a high of 96°, while winters are mild by most standards, with January highs sitting around 49–50°. If you're watching the skies, mid-June is the wettest stretch of the year, averaging over an inch of precipitation in a single week.