Is March or April better for San Andrés?

They usually grade the same (B+). Highs are 81°F in March and 82°F in April; April is usually less crowded.

How warm is the water in San Andrés at spring break?

About 82°F in March and 83°F in April. That is warm enough for long swims.

How does San Andrés rank for spring break?

23rd of the 54 beach destinations Veabird grades for March and April. Usually better: the Yucatán Gulf Coast, Southwest Florida, Cuba's Cays and Puerto Vallarta.

Spring break in San Andrés

Spring break in San Andrés usually means highs near 81°F in March and 82°F in April, water around 83°F, and a typical day grading B+ in both months. Beaches are busy in March and busy in April (College & school spring break and Semana Santa / Easter). Both months are outside hurricane season.

March vs April

Month	Typical day	High	Water	Rain chance	Crowds
March	B+	81°F	82°F	23%	Busy
April	B+	82°F	83°F	31%	Busy

Best beaches in San Andrés for spring break

Resorts with the best typical March and April, and their grades for the next few days.

Decameron Aquarium Mar A- · Apr B+FriB+SatB-SunC+MonBTueB+
Decameron Marazul Mar A- · Apr B+FriA-SatB+SunBMonBTueB+
Decameron Isleño Mar A- · Apr B+FriA-SatBSunC+MonBTueB+
Providencia Beach Lodges Mar B+ · Apr B+FriB+SatB-SunCMonB-TueB+

Grades for the next few days from Veabird's beach forecast, updated Oct 9, 12:00 UTC. Higher is better: A+ to F.

Usually better for spring break

The Yucatán Gulf Coast Mar A · Apr A-
Southwest Florida Mar A- · Apr A
Cuba's Cays Mar A- · Apr A-
Puerto Vallarta Mar A- · Apr A-

Questions

Is San Andrés good for spring break?: Spring break in San Andrés usually means highs near 81°F in March and 82°F in April, water around 83°F, and a typical day grading B+ in both months. Beaches are busy in March and busy in April (College & school spring break and Semana Santa / Easter). Both months are outside hurricane season.
Is March or April better for San Andrés?: They usually grade the same (B+). Highs are 81°F in March and 82°F in April; April is usually less crowded.
How warm is the water in San Andrés at spring break?: About 82°F in March and 83°F in April. That is warm enough for long swims.
How does San Andrés rank for spring break?: 23rd of the 54 beach destinations Veabird grades for March and April. Usually better: the Yucatán Gulf Coast, Southwest Florida, Cuba's Cays and Puerto Vallarta.

Plan it

Typical-month numbers from Veabird's year-ahead outlook for the 4 resorts here (median resort): ERA5 climate normals, holiday crowd calendars and the typical seaweed season.