Today's barometric pressure in Yuma, a 48-hour pressure chart, and a risk score for weather-triggered migraine and headache, based on pressure drops, humidity, and temperature changes.
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Yuma is the sunniest city on earth by recorded hours, sitting at 43 metres where the Gila meets the Colorado River. Pressure averages 1007 hPa and swings only 5 to 8 hPa, which makes the few frontal passages that reach the low desert stand out sharply.
Worst season for migraines: January, March and April. Only occasionally does a winter system push far enough south to reach the Colorado River corridor, and those are the year's clearest barometric events. Summer belongs to the monsoon, when moisture surges north from the Gulf of California.
Common triggers in Yuma: chronic dehydration in sub-15 percent humidity, abrupt monsoon humidity surges, sustained heat above 40C. Humidity in Yuma frequently sits below 15 percent for extended stretches, and summer temperatures exceed 40C for months. Dehydration becomes a chronic background factor here in a way that has little to do with barometric pressure. When monsoon moisture does arrive, the sudden jump in humidity is itself the change people notice.
Typical pressure: Yuma averages 1007 hPa at rest, measured at the city's own elevation rather than corrected to sea level, and storm systems can push readings down to 998 hPa. Swings of 5-8 hPa over 24 hours are common during active weather and fall within the range most associated with pressure-triggered migraines.
2026 index: Yuma is not one of the 100 metros ranked in our 2026 U.S. Migraine Risk Index, which shows how they compare.
Can Yuma weather trigger migraines?
Yes. Yuma experiences 5-8 hPa barometric pressure swings, and research shows pressure drops are one of the most common migraine triggers. The city's specific patterns include chronic dehydration in sub-15 percent humidity, abrupt monsoon humidity surges, sustained heat above 40C.
What time of year are migraines worst in Yuma?
In Yuma the most barometrically volatile stretch of the year falls in January, March and April. That is when weather is most likely to play a part, if weather is a trigger for you at all. See when migraine weather season starts across the U.S.
Is there a barometric pressure headache forecast for Yuma?
This page works as one. Many people call a headache that arrives with a weather change a barometric pressure headache, and this forecast tracks the pressure drops, humidity and temperature swings behind that idea. The score covers the next 24 hours in Yuma and the chart shows the next 48. It is built on migraine research, so treat it as a rough guide for other headaches. A sudden, severe headache needs urgent medical care, whatever the weather.
Your own forecast
This page shows the weather risk for everyone in Yuma. The MigrAid app learns yours. It saves the barometric pressure, humidity and temperature with every migraine you log, shows whether Yuma's swings really line up with your attacks, and alerts you when conditions match your own trigger history.