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Most drivers focus on where they buy gas, but when you fuel up can also make a noticeable difference. Gas prices fluctuate not just week to week, but sometimes even hour to hour. Here’s when you should hit the pump to lock in the best prices—and when you should wait.

  1. Early Morning is Typically Cheapest
    Gas stations often update their prices overnight or early in the morning based on market trends and competitor prices. Filling up between 7 a.m. and 10 a.m. gives you a better shot at snagging lower prices before they rise later in the day.
  2. Avoid Late Afternoons and Evenings
    By mid- to late afternoon, stations may adjust prices upwards based on rising demand or shifts in wholesale prices. After 4 p.m., it’s more common to see small price bumps that stay in place through the evening.
  3. Weekdays Beat Weekends
    Not only is early in the day better—early in the week tends to be best too. Mondays and Tuesdays usually offer the lowest average gas prices, according to research from GasBuddy. As the weekend approaches, prices often climb in anticipation of higher travel volume.
  4. Watch for Local Delivery Times
    Some gas stations raise prices shortly after their fuel delivery trucks arrive, especially if wholesale prices have gone up that day. If you notice a tanker at your station, it might be smart to wait a few hours or check nearby locations for lower prices.
  5. Holiday and Travel Periods are Volatile
    During peak travel times like Memorial Day, Fourth of July, and Thanksgiving, prices tend to spike no matter what time of day it is. To avoid surges, fill up several days before a major holiday whenever possible.

Quick Tips for Timing Your Fill-Ups:

  • Set reminders to fill up on Monday or Tuesday mornings.

  • Use real-time gas apps like GasBuddy to spot sudden price hikes.

  • Fill your tank when it drops to half-full instead of risking needing gas when prices are higher.

By pairing good timing with location-based savings strategies, you can consistently shave a few extra dollars off every fuel purchase—an easy win for any budget.