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Retalhuleu Weather in January

January in Retalhuleu averages 31°C (88°F) during the day and 20°C (68°F) at night. The excellent conditions and low rainfall make it a solid month to visit.

Rainfall in Retalhuleu in January

You can typically expect 3 days of rain this month, averaging around 29 mm (1.1 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Retalhuleu in January

January tends to be one of the excellent months in Retalhuleu, with 31°C (88°F) in the afternoon and 20°C (68°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are mild at around 20°C (68°F), which is comfortable for most people.

Sunshine in Retalhuleu in January

There are approximately 248 hours of sunshine this month, resulting in mostly clear days.

If you're inclined towards comfortable temperatures and drier conditions, January is a good time to visit Retalhuleu.

Retalhuleu Temperature in January

Min Temperature

20°C (68°F)

Max Temperature

31°C (88°F)

Chance of Rain

Precipitation

29 mm (1.1 in)

Rainy days

3 days

Humidity

70% *

Sunshine

248 hours *

Percentage Sunshine

* Data from: Panajachel, Guatemala (60 KM, 37 Miles).

Retalhuleu Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Retalhuleu - and find the best time to visit.

January

31°C (88°F)View January → February

32°C (90°F)View February → March

32°C (90°F)View March → April

32°C (90°F)View April → May

31°C (88°F)View May → June

30°C (86°F)View June → July

30°C (86°F)View July → August

30°C (86°F)View August → This monthSeptember

30°C (86°F)View September → October

30°C (86°F)View October → November

30°C (86°F)View November → December

30°C (86°F)View December →

Best Time to Visit Retalhuleu →

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Retalhuleu typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows around 20°C (68°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather records for Retalhuleu in January

Browse day-by-day weather records for Retalhuleu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Retalhuleu historical weather extremes in January

The extremes listed below come from historical weather data collected in Retalhuleu from 2003 through 2025.

On January 16, 2007, temperatures climbed to 37°C (99°F), marking the warmest January day on record.
On January 22, 2004, Retalhuleu saw its coldest January day with temperatures maxing out at 28°C (82°F).
Nighttime temperatures dropped to 15°C (59°F) on January 6, 2021, marking the coldest January night on record.

Best Places in Guatemala in January

Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala in January →

Conditions Temperatures Precipitation

Temperatures Precipitation

perfect weather

pleasant

tolerable

unpleasant

poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

Marker color shows total monthly precipitation in January: pale blue is dry, deep blue is wet.

What to Wear in Retalhuleu in January

Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Retalhuleu in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10
Cycling

8/10
Walking

8/10
Barbeque

10/10
Camping

10/10
Outdoor sports

8/10

Retalhuleu 3-Day Forecast

10-Day Forecast

Retalhuleu - 10 Day Forecast →

More climate data for Retalhuleu

Temperature Rainfall Sunshine Humidity

See the full Retalhuleu climate overview or explore weather in Guatemala.

Popular in January

Where to go in January - average daytime high across popular destinations.

30°C (86°F)

28°C (82°F)

28°C (82°F)

26°C (79°F)

26°C (79°F)

23°C (73°F)

23°C (73°F)

22°C (72°F)

33°C (91°F)

31°C (88°F)

31°C (88°F)

31°C (88°F)

30°C (86°F)

29°C (84°F)

26°C (79°F)

27°C (81°F)

26°C (79°F)

25°C (77°F)

25°C (77°F)

15°C (59°F)

14°C (57°F)

10°C (50°F)

4°C (39°F)

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