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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Retalhuleu's climate page.
Retalhuleu Temperature in January
Min Temperature
20°C (68°F)
Max Temperature
31°C (88°F)
Chance of Rain
8%
Precipitation
29 mm (1.1 in)
Rainy days
3 days
Humidity
70% *
Sunshine
248 hours *
Percentage Sunshine
*
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 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 →
perfect weather
pleasant
tolerable
unpleasant
poor
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Retalhuleu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Retalhuleu climate overview or explore weather in Guatemala.
