San Luis

Departamento del Petén, Guatemala

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Current Weather

22°

Light Rain and Humid

Feels Like: 22°

Min: 22°

Max: 27°

The next few hours will be light rain and humid, with today reaching 27°C and dropping to 22°C. The coming days will be drizzle

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Hourly Forecast

22° 23° 23° 24° 25° 26° 27° 26° 26° 25° 25° 25° 24° 24° 23° 23° 23° 23° 22° 22° 22° 22° 22° 22°
70%
86%
86%
86%
90%
90%
90%
94%
94%
94%
92%
92%
92%
58%
58%
58%
32%
32%
32%
14%
14%
14%
10%
10%
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
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1am
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Today
Tomorrow

Daylight Hours

05:50

Sunrise

17:46

Sunset

11 hours 55 minutes of sunlight today

Moon

Waxing Gibbous

17:13

Moonrise

04:45

Moonset

Daily Forecast

Today

22°
27°

Saturday

22°
30°

Sunday

23°
28°

Monday

22°
29°

Tuesday

22°
26°

Wednesday

22°
31°

Thursday

22°
30°

Friday

22°
29°

Saturday

23°
26°

Sunday

23°
30°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

99% Very Humid
Low High

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Weather in San Luis today, September 25, 2026

Expect unsettled, showery conditions in San Luis on September 25, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Wetter spells lean into the morning, when rain odds reach about 90% near 10:00. Skies look heaviest around 10:00, with cover close to 91%.

The day peaks near 27°C and cools toward 22°C. Expect humidity between 83% and 99%, most humid near 06:00. Expect gentle winds, highest near 12:00 at 1.1 km/h.

The second half of the day still looks unsettled, with rain probability around 94% by 13:00. Dense cloud near 98% at 18:00 keeps the feel grey. Expect visibility near 14.5 km, with poorer spells close to 10.0 km. The sun rises at 05:50 and sets at 17:46, for a total of 11 hours 55 minutes of sunlight today.

The practical takeaway for San Luis on September 25, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 27°C.

Frequently asked questions about weather in San Luis

How warm does it get in San Luis?

The warmest month in San Luis is May, with average high temperatures of 35°C. The average temperature during this period is around 28°C.

How cold does it get in San Luis?

The coldest month in San Luis is January, with average low temperatures of 19°C. The average temperature during this period is around 22°C.

What is the wettest time of year in San Luis?

The wettest month in San Luis is October, with an average of 245mm of precipitation.

What is the driest time of year in San Luis?

The driest month in San Luis is April, with an average of 48mm of precipitation.

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Metric (°C, km/h)