Phoenix Weather in March
Phoenix in March sees high temperatures, with highs around 26°C (79°F) and overnight lows of 11°C (52°F). With just 14 mm (0.6 in) of rainfall on average, rain is rarely an issue.
Rainfall in Phoenix in March
Past climate data indicates that roughly 2 days will see rain, totalling around 14 mm (0.6 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Phoenix in March
Phoenix has perfect weather in March, with days reaching 26°C (79°F) and nights cooling to 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Phoenix in March
There are approximately 318 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, March is one of the best months to visit Phoenix.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Phoenix's climate page.
Phoenix Temperature in March
Min Temperature
11°C (52°F)
Max Temperature
26°C (79°F)
Chance of Rain
7%
Precipitation
14 mm (0.6 in)
Rainy days
2 days
Humidity
39%
Sunshine
318 hours
Percentage Sunshine
86%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Phoenix typically rise from around 23°C (73°F) at the start of March to approximately 26°C (79°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Phoenix in March
Browse day-by-day weather records for Phoenix spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Phoenix historical weather extremes in March
The extremes listed below come from historical weather data collected in Phoenix from 1976 through 2026.
- The warmest day in March was on March 19, 2026, with a maximum of 40°C (104°F).
- The lowest daytime temperature in March was 11°C (52°F), recorded on March 6, 2000.
- Phoenix registered its coldest March night on March 4, 1976, with temperatures dropping to 2°C (36°F).
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Phoenix in March
Warm temperatures in March make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Phoenix in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Phoenix's climate page.
Temperature Rainfall Sunshine Humidity
See the full Phoenix climate overview or explore weather in the United States of America.
