January in San Andrés Island — the year's strongest window
Best window · 9.7/10Days in January average 28°C (82°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 18 mm of rain, any showers tend to pass through rather than settle in; about 24 days with 6+ hours of sunshine and 11.3 hours of daylight fill the rest.
On our climate-comfort scale this is the top-ranked month of the year for San Andrés Island at 9.7/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
February ranks 2nd of 12 for San Andrés Island — one of the best windows
Best window · 9.7/10Days in February average 27°C (81°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 9 mm for the month, rain will not shape your plans; you get about 26 days with 6+ hours of sunshine and 11.6 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for San Andrés Island at 9.7/10 (2nd of 12), just behind January at 9.7/10.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
March in San Andrés Island — one of the year's strongest windows (3rd)
Best window · 9.7/10March averages 27°C (81°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 10 mm for the month, with about 31 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.
A 9.7/10 puts this among the year's best months in San Andrés Island (3rd of 12); only January scores higher, at 9.7/10.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
April ranks 4th of 12 for San Andrés Island — one of the best windows
Best window · 9.7/10Days in April average 28°C (82°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 28 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 12.3 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for San Andrés Island at 9.7/10 (4th of 12), just behind January at 9.7/10.
Budget for peak pricing, and this is one of the busiest months here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
May in San Andrés Island — reliably good (5th best month)
Good · 8.3/10May averages 29°C (83°F) and humidity near 82%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 101 mm — wet for this destination — but about 26 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 8.3/10 here, 5th of 12 months, against 9.7/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
June in San Andrés Island: mixed conditions, plan around the weather
Trade-offs · 6.6/10Days in June average 29°C (84°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 221 mm: only about 18 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 6.6/10 on the same scale — 11th of 12 months, versus 9.7/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in San Andrés Island — 3.1 points higher on the same scale.
July in San Andrés Island — reliably good (9th best month)
Good · 7.1/10Days in July average 29°C (84°F) and humidity near 84% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
199 mm of rain makes this a wet month here, though with about 21 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.1/10 on the same scale — 9th of 12 months, versus 9.7/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in San Andrés Island — 2.6 points higher on the same scale.
August holds up well in San Andrés Island — 7th best month
Good · 7.5/10August averages 29°C (84°F) and humidity near 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 146 mm — wet for this destination — but about 25 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.5/10 here, 7th of 12 months, against 9.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? January scores 2.2 points higher here — enough to change the trip.
September holds up well in San Andrés Island — 8th best month
Good · 7.4/10September averages 29°C (84°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 168 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.4/10 here, 8th of 12 months, against 9.7/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? January scores 2.3 points higher here — enough to change the trip.
October in San Andrés Island — middling scores, decent value
Trade-offs · 6.7/10Days in October average 29°C (84°F) and humidity near 80% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 253 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 6.7/10 on the same scale — 10th of 12 months, versus 9.7/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in San Andrés Island — 3 points higher on the same scale.
November in San Andrés Island: mixed conditions, plan around the weather
Trade-offs · 6/10Days in November average 29°C (84°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Expect monsoon-level rainfall at 243 mm: only about 15 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 6/10 on the same scale — 12th of 12 months, versus 9.7/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, January is materially better in San Andrés Island — 3.7 points higher on the same scale.
December in San Andrés Island: strong conditions, 6th of 12
Good · 7.6/10December averages 28°C (83°F) and humidity near 79%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 109 mm this is a genuinely wet month: about 18 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 7.6/10 here, 6th of 12 months, against 9.7/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? January scores 2.1 points higher here — enough to change the trip.
