San Marcos
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San Marcos Weather in March

March in San Marcos brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 8°C (46°F). With excellent weather conditions overall, it's a good time to visit.

Rainfall in San Marcos in March

Historically, the month has about 6 days of rain, averaging 36 mm (1.4 in) in total. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in San Marcos in March

The temperature in San Marcos in March is excellent. Daytime highs reach 21°C (70°F), with nights dropping to 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in San Marcos in March

The month enjoys around 261 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, March is one of the best months to visit San Marcos.

San Marcos Temperature in March

Min Temperature
8°C (46°F)
Max Temperature
21°C (70°F)
Chance of Rain
20%
Precipitation
36 mm (1.4 in)
Rainy days
6 days
Humidity
67% *
Sunshine
261 hours *
Percentage Sunshine
70% *
* Data from: San Diego, the United States of America (47 KM, 29 Miles).

San Marcos Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Marcos - and find the best time to visit.

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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in San Marcos in March

Pleasant temperatures in March mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in San Marcos in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    5/10
  • Outdoor sports
    10/10

San Marcos 3-Day Forecast

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

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