January ranks 2nd of 12 for Lake Atitlán — one of the best windows
Best window · 9.4/10January averages 21°C (70°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Rain is a non-issue at 10 mm for the month, with about 22 days with 6+ hours of sunshine and 11.2 hours of daylight to work with.
A 9.4/10 puts this among the year's best months in Lake Atitlán (2nd of 12); only February scores higher, at 9.6/10.
Plan for 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 light clothing, a hat and real sun protection, footwear you can get muddy.
February in Lake Atitlán tops the year's climate scores
Best window · 9.6/10February averages 22°C (71°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Rain is a non-issue at 6 mm for the month, with about 24 days with 6+ hours of sunshine and 11.5 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Lake Atitlán at 9.6/10 — the reference point every other month on this page is measured against.
Plan for 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 light clothing, a hat and real sun protection, footwear you can get muddy.
March is one of the strongest months in Lake Atitlán (4th)
Best window · 8.8/10Trail conditions at 24°C (74°F) favour early starts and shaded routes in March; midday is for water breaks, not for exposed climbs.
With around 35 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Lake Atitlán at 8.8/10 (4th of 12), just behind February at 9.6/10.
Budget for mid-season pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection, footwear you can get muddy.
April in Lake Atitlán: strong conditions, 5th of 12
Good · 7/10April averages 25°C (76°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
Rainfall runs 97 mm, so plan one flexible day in three; you still get about 24 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 7/10 here, 5th of 12 months, against 9.6/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.
Flexible dates? February scores 2.6 points higher here — enough to change the trip.
May in Lake Atitlán: mixed conditions, plan around the weather
Trade-offs · 5.7/10Trail conditions at 25°C (77°F) favour early starts and shaded routes in May; midday is for water breaks, not for exposed climbs.
187 mm of rain makes this a wet month here, though with about 22 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 5.7/10 on the same scale — 7th of 12 months, versus 9.6/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in Lake Atitlán — 3.9 points higher on the same scale.
June in Lake Atitlán — middling scores, decent value
Trade-offs · 5.3/10June averages 23°C (74°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
357 mm of rain puts this in monsoon territory — about 17 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.3/10 here, 11th of 12 months, against 9.6/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? February scores 4.3 points higher here — enough to change the trip.
July in Lake Atitlán: mixed conditions, plan around the weather
Trade-offs · 5.6/10July averages 24°C (75°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
255 mm makes this the wettest stretch of the year, though about 23 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 5.6/10 here, 8th of 12 months, against 9.6/10 in the destination's best month.
Plan for low-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? February scores 4 points higher here — enough to change the trip.
August in Lake Atitlán — workable with trade-offs
Trade-offs · 5.6/10Trail conditions at 24°C (74°F) favour early starts and shaded routes in August; midday is for water breaks, not for exposed climbs.
This is the year's wettest stretch at 318 mm, but with about 22 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 5.6/10 on the same scale — 9th of 12 months, versus 9.6/10 for the best month here.
Expect low-season pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in Lake Atitlán — 4 points higher on the same scale.
September in Lake Atitlán — middling scores, decent value
Trade-offs · 5.4/10Trail conditions at 23°C (74°F) favour early starts and shaded routes in September; midday is for water breaks, not for exposed climbs.
Expect monsoon-level rainfall at 433 mm: only about 19 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 5.4/10 on the same scale — 10th of 12 months, versus 9.6/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, February is materially better in Lake Atitlán — 4.2 points higher on the same scale.
October in Lake Atitlán — workable with trade-offs
Trade-offs · 5.2/10October averages 23°C (73°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
319 mm of rain puts this in monsoon territory — about 17 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.2/10 here, 12th of 12 months, against 9.6/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? February scores 4.4 points higher here — enough to change the trip.
November in Lake Atitlán: mixed conditions, plan around the weather
Trade-offs · 6.1/10November averages 22°C (72°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
At 141 mm this is a genuinely wet month: about 16 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.1/10 here, 6th of 12 months, against 9.6/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination. That combination — decent conditions at the lowest rates of the year — is the best value window on this page.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? February scores 3.5 points higher here — enough to change the trip.
December in Lake Atitlán — one of the year's strongest windows (3rd)
Best window · 9/10Trail conditions at 21°C (70°F) favour early starts and shaded routes in December; midday is for water breaks, not for exposed climbs.
At just 13 mm for the month, rain will not shape your plans; you get about 19 days with 6+ hours of sunshine and 11.1 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Lake Atitlán at 9/10 (3rd of 12), just behind February at 9.6/10.
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 light clothing, a hat and real sun protection, footwear you can get muddy.
