March in the United States offers a mix of lingering winter chill and early spring warmth, with certain regions standing out as notably mild. If you are planning a getaway or simply curious about where the best temperatures appear, focusing on the warmest places in March can help you choose your destination.
The following sections break down key cities, what to expect weatherwise, and practical tips for planning a warm March trip.
| City | State | Average High (°F) | Average Low (°F) | Typical March Rainfall (in) |
|---|---|---|---|---|
| Miami | Florida | 80 | 66 | 2.9 |
| Phoenix | Arizona | 75 | 54 | 1.0 |
| Los Angeles | California | 68 | 52 | 3.5 |
| San Antonio | Texas | 72 | 51 | 2.8 |
| New Orleans | Louisiana | 72 | 56 | 4.4 |
Miami Florida March Warmth
Miami frequently tops the list for warmest major city in the U.S. during March. With average highs around 80°F, it feels more like late spring than early spring.
The combination of low humidity, warm ocean currents, and relatively dry conditions makes it a popular escape for snowbirds and families seeking reliable warmth.
Phoenix Arizona March Climate
Phoenix offers some of the driest and sunniest weather in March, with average highs near 75°F and almost no rainfall. Desert skies dominate the month, making it ideal for outdoor exploration.
Visitors should prepare for large day-to-night temperature swings, as lows can drop into the 50s, so layering remains important even in the warmest desert cities.
Los Angeles March Weather Patterns
Along the California coast, Los Angeles enjoys mild to pleasant March conditions, with highs in the high 60s. This city often balances sunshine with occasional rain showers.
The proximity to the Pacific Ocean keeps temperatures moderate, and coastal breezes help maintain comfort even when the sun is strong.
San Antonio Texas March Warmth
San Antonio emerges as one of the warmest large cities in Texas during March, with highs in the low 70s. Flowering landscapes and mild days draw visitors outdoors.
Evening events and patio dining become increasingly appealing as the month progresses, thanks to comfortable temperatures and lower humidity.
New Orleans Louisiana March Temperatures
New Orleans matches San Antonio in average highs, hovering around 72°F, but brings higher humidity and more frequent rain events. Mardi Gras season often falls in March, adding cultural energy to the warm air.
Garden walks and historic district tours remain popular, as long as travelers are ready for quick changes in weather and the occasional downpour.
Key Takeaways for March Travel Warmth
- Miami usually offers the warmest overall temperatures among major U.S. cities in March.
- Phoenix provides the driest and sunniest conditions, with warm days and cool evenings.
- Los Angeles combines mild coastal weather with periodic rain showers.
- San Antonio and New Orleans deliver southern warmth, with New Orleans leaning more humid and wet.
- Checking average highs, lows, and rainfall helps you choose the best match for your comfort and plans.
FAQ
Reader questions
Which city is consistently the warmest in March across the United States?
Miami, Florida typically records the highest average temperatures among major metropolitan areas, frequently reaching near 80°F on many March days.
Are coastal cities always warmer than inland cities in March?
Not necessarily, as inland desert cities like Phoenix can rival or exceed coastal temperatures, although they do so with much drier air and larger daily swings.
How does rainfall differ in the warmest March destinations?
Miami and New Orleans see higher rainfall, while Phoenix and Los Angeles remain much drier, and San Antonio sits somewhere in between with moderate precipitation.
What should I pack for a warm March trip to these cities?
Light layers, breathable clothing, a light rain jacket, and sun protection are recommended, since temperatures can vary by time of day and by location.