Colombia · 1991–2020

Best time to visit
San Luis

For San Luis, March has the most comfortable weather in our climate comparison. Typical daytime highs are 29.6°C, nights average 25.5°C, and rainfall totals about 28 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.

Best all-round monthMarch
Typical daytime high29.6°C
Typical night-time low25.5°C
March rainfall28 mm
Overall comfort

March

Other strong months: February and April

61/100 weather score
Beach weather

March

Other strong months: February and April

83/100 weather score
Outdoor sightseeing

March

Other strong months: April and February

41/100 weather score

Make the answer personal

Choose the weather
that suits you.

Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.

3 months fit your choices for San Luis

February29.2°C day · 44 mm rain · 9.2 wet days
March29.6°C day · 28 mm rain · 5.3 wet days
April30.2°C day · 34 mm rain · 4.8 wet days

October has the lowest comfort score at 8 out of 100, compared with March at 61. The main reason is that 305 mm of rain falls.

Quick answers

Planning a trip to San Luis?

These answers come from the same measured monthly climate record shown on this page.

When is the best time to visit San Luis?

March is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 29.6°C and 28 mm of rain.

What is the hottest month in San Luis?

September is hottest in this record, with a typical daytime high of 31.1°C and a night-time low of 25.8°C.

Which month has the least rain?

March has the lowest monthly rainfall total at 28 mm.

Is this a weather forecast?

No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.

Month by month

See how the weather
changes through the year.

The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.

Jan
4929.1° / 25°
Feb
5829.2° / 25.1°
Mar
6129.6° / 25.5°
Apr
5830.2° / 26.1°
May
3530.6° / 26.5°
Jun
2930.6° / 26.5°
Jul
2930.3° / 26.3°
Aug
2630.7° / 26.2°
Sep
2231.1° / 25.8°
Oct
830.6° / 25.6°
Nov
1629.8° / 25.5°
Dec
3929.4° / 25.4°
Monthly climate evidence for San Luis — daylight is calculated from latitude, everything else is measured, sea temperature from the nearest open water 14 km away
MonthDayNightRainWet daysSeaDaylightComfortCoverage
January29.1°C25°C86 mm13.427.2°C11 h 2849Good coverage
February29.2°C25.1°C44 mm9.227.0°C11 h 4358Good coverage
March29.6°C25.5°C28 mm5.327.1°C12 h 0261Good coverage
April30.2°C26.1°C34 mm4.827.7°C12 h 2458Good coverage
May30.6°C26.5°C146 mm11.228.1°C12 h 4235Good coverage
June30.6°C26.5°C170 mm13.828.4°C12 h 5129Good coverage
July30.3°C26.3°C161 mm16.428.2°C12 h 4829Good coverage
August30.7°C26.2°C173 mm16.128.5°C12 h 3226Good coverage
September31.1°C25.8°C205 mm15.529.0°C12 h 1122Good coverage
October30.6°C25.6°C305 mm17.928.9°C11 h 508Good coverage
November29.8°C25.5°C267 mm1828.4°C11 h 3216Good coverage
December29.4°C25.4°C136 mm14.927.9°C11 h 2339Good coverage
Records at SAN ANDRES (ISLA)/S, 1965–2025
MonthRecord highRecord lowWettest dayWettest / driest monthYears
January32.0°C9 Jan 197318.4°C22 Jan 200091 mm21 Jan 1982240 mm1966 · driest 11 mm in 201949
February32.2°C18 Feb 201520.0°C6 Feb 197359 mm28 Feb 2004155 mm1970 · driest 0 mm in 199848
March34.4°C22 Mar 200020.4°C6 Mar 198740 mm22 Mar 199675 mm1996 · driest 2 mm in 197347
April35.0°C30 Apr 201921.0°C1 Apr 1973131 mm25 Apr 2003170 mm1981 · driest 0 mm in 199748
May33.8°C28 May 202420.0°C22 May 1973213 mm28 May 2012328 mm1989 · driest 2 mm in 199748
June36.0°C21 Jun 197318.3°C19 Jun 2010193 mm9 Jun 2025475 mm1993 · driest 25 mm in 201549
July32.8°C23 Jul 196620.0°C27 Jul 1967163 mm12 Jul 2017421 mm2010 · driest 27 mm in 201448
August35.5°C20 Aug 201221.0°C13 Aug 1986165 mm22 Aug 2002432 mm1988 · driest 33 mm in 201950
September33.9°C6 Sep 197016.8°C12 Sep 1999201 mm12 Sep 1986628 mm1986 · driest 37 mm in 200546
October33.7°C31 Oct 199218.6°C16 Oct 2015333 mm21 Oct 1999847 mm1999 · driest 70 mm in 200445
November33.0°C8 Nov 198821.0°C12 Nov 2004316 mm18 Nov 1984605 mm1997 · driest 46 mm in 201947
December32.2°C8 Dec 196617.7°C18 Dec 2012125 mm10 Dec 2001309 mm1966 · driest 23 mm in 200247
Typical days per month at SAN ANDRES (ISLA)/S, 1991–2020
MonthDays 25°C+Days 30°C+Heavy rain (10 mm+)
January2522
February234<1
March257<1
April2414<1
May25193
June24184
July25174
August24204
September23205
October26217
November24117
December2563
How often different weather occurs at SAN ANDRES (ISLA)/S, based on its daily record
MonthDry days reaching 20°CWet daysDays with heavy rainWeeks with 3+ wet daysTypical high by year
January52%47%7%66%28.2–29.7°C
February69%33%3%39%28.3–30.1°C
March80%20%2%20%28.6–30.5°C
April81%19%3%17%29.2–30.9°C
May65%35%10%51%29.8–31.1°C
June47%53%18%79%29.4–31.3°C
July40%60%15%88%29.5–31.0°C
August43%57%17%86%29.5–31.3°C
September38%58%21%87%29.8–31.6°C
October36%63%28%88%29.4–31.0°C
November38%62%24%89%29.0–30.3°C
December45%56%14%81%28.3–29.9°C

A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.

1981Each stripe is one year’s mean temperature against the 20-year average. Warmest: 1998. Coolest: 1985.2012

The evidence behind this page

Where these figures
come from.

Place identity
GeoNames 3669368
NOAA station
CO000080001 · SAN ANDRES (ISLA)/S
Station distance
6 km from the place centre
Climate period
1991–2020
Minimum month coverage
17 usable years
Daylight
Calculated from latitude 12.53°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Sea temperature
NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 14 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
Then plan the details.

The weather comparison for San Luis is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

How travel partnerships will work

Keep exploring

Same climate evidence,
different places.

These places read the same station, so their climate numbers are identical. Their setting, population and distance from SAN ANDRES (ISLA)/S are not.