Climate and monthly weather forecastSan Luis, Guatemala
Climate and monthly weather forecast
Weather in January
January, like December, in San Luis, Guatemala, is a moderately hot winter month, with an average temperature ranging between min 16.3°C (61.3°F) and max 25.4°C (77.7°F). January, with average temperatures reaching a high of 25.4°C (77.7°F) and a low of 16.3°C (61.3°F), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in San Luis, is also a moderately hot month, with an average temperature fluctuating between 27.8°C (82°F) and 17.1°C (62.8°F). San Luis, Guatemala, observes a minor difference in average high-temperatures between January's 25.4°C (77.7°F) and February's 27.8°C (82°F). Weather in February »Weather in March
The first month of the spring, March, is still a warm month in San Luis, Guatemala, with an average temperature varying between 17.8°C (64°F) and 29.4°C (84.9°F). The onset of March brings an average high-temperature of a still warm 29.4°C (84.9°F), nearly matching the February temperature. Weather in March »Weather in April
April in San Luis, Guatemala, is a tropical spring month, with temperature in the range of an average high of 32.8°C (91°F) and an average low of 20.2°C (68.4°F). The warmest period is April, when temperatures fluctuate between an average high of 32.8°C (91°F) and a low of 20.2°C (68.4°F). Throughout April, the heat index is calculated to be a burning hot 45°C (113°F). Weather in April »Weather in May
The last month of the spring, May, is also a hot month in San Luis, Guatemala, with an average temperature ranging between max 32.2°C (90°F) and min 21.3°C (70.3°F). The average high-temperature during May registers at a still hot 32.2°C (90°F), maintaining a close resemblance to the previous month. Weather in May »Weather in June
The first month of the summer, June, is also a hot month in San Luis, Guatemala, with temperature in the range of an average low of 21.5°C (70.7°F) and an average high of 31.1°C (88°F). The average high-temperature during June is a still tropical 31.1°C (88°F), almost matching the conditions of the preceding month. Weather in June »Weather in July
July, the same as June, in San Luis, Guatemala, is a hot summer month, with an average temperature fluctuating between 21°C (69.8°F) and 31°C (87.8°F). The beginning of July records an average high-temperature of a still hot 31°C (87.8°F), almost echoing the conditions of the previous month. Weather in July »Weather in August
The last month of the summer, August, is another hot month in San Luis, Guatemala, with an average temperature fluctuating between 20.8°C (69.4°F) and 31.5°C (88.7°F). San Luis's shift into August sets the average high-temperature at a still hot 31.5°C (88.7°F), a figure that deviates only slightly from July's 31°C (87.8°F). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in San Luis, Guatemala, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 20.7°C (69.3°F). Welcoming September, San Luis notes an average high-temperature of a still tropical 30.5°C (86.9°F), nearly consistent with August's 31.5°C (88.7°F). Weather in September »Weather in October
October, like September, in San Luis, Guatemala, is a moderately hot autumn month, with an average temperature fluctuating between 19.5°C (67.1°F) and 28.6°C (83.5°F). Entering October, San Luis's average high-temperature reads a moderately hot 28.6°C (83.5°F), indicating a close resemblance to the previous month's climate. Weather in October »Weather in November
November, the last month of the autumn in San Luis, is also a moderately hot month, with an average temperature varying between 17.9°C (64.2°F) and 26.5°C (79.7°F). San Luis's November reports an average high-temperature of a still moderately hot 26.5°C (79.7°F), exhibiting a minor difference from October. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in San Luis, Guatemala, with temperature in the range of an average low of 17°C (62.6°F) and an average high of 25.6°C (78.1°F). San Luis's entry into December measures an average high-temperature of a still moderately hot 25.6°C (78.1°F), closely parallel to the preceding month. Weather in December »Updated: Feb 15, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month when San Luis sees the average lowest temperatures, with a high of 25.4°C (77.7°F) and a low of 16.3°C (61.3°F).
Throughout the year, in San Luis, Guatemala, there are 260.2 rainfall days, and 1135mm (44.69") of precipitation is accumulated.
The months with the least sunshine in San Luis, Guatemala, are January and November, with an average of 4.4h of sunshine.
The months with the lowest UV index are January, October through December, with an average maximum UV index of 5.
The month with the least rainfall is February, when the rain falls for 14.9 days and typically collects 33mm (1.3") of precipitation.
The months with the highest UV index are March, April and June, with an average maximum UV index of 7.
April registers as the month with the average highest temperatures, reaching 32.8°C (91°F) at its peak and 20.2°C (68.4°F) at the lowest.
The least humid month in San Luis is April, with an average relative humidity of 74%.
With an average of 9.7h of sunshine, April has the most sunshine of the year in San Luis, Guatemala.
With an average of 13h and 6min of daylight, June has the longest days of the year.
The month with the most rainfall is October, when the rain falls for 25.5 days and typically aggregates up to 171mm (6.73") of precipitation.
November is the most humid month in San Luis, Guatemala, with an average relative humidity of 89%.
December has the shortest days of the year in San Luis, with an average of 11h and 12min of daylight.
San Luis does not utilize Daylight Saving Time (DST). CST timezone is used throughout the entire year.
Average temperature
San Luis, Guatemala
The warmest month (with the highest average high temperature) is April (32.8°C).
The month with the lowest average high temperature is January (25.4°C).
The month with the highest average low temperature is June (21.5°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure
San Luis, Guatemala
- Average pressure in January:
1017.4mbar - Average pressure in February:
1016mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1012.8mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1012.3mbar
- Average pressure in July:
1014.3mbar - Average pressure in August:
1013.1mbar - Average pressure in September:
1012mbar - Average pressure in October:
1012.8mbar - Average pressure in November:
1015.5mbar - Average pressure in December:
1016.4mbar
The month with the highest atmospheric pressure is January (1017.4mbar).
The month with the lowest atmospheric pressure is September (1012mbar).
Average wind speed
San Luis, Guatemala
- Average wind speed in January:
4.8km/h - Average wind speed in February:
5.2km/h - Average wind speed in March:
5.7km/h - Average wind speed in April:
6.3km/h - Average wind speed in May:
5.7km/h - Average wind speed in June:
5.2km/h
- Average wind speed in July:
5.5km/h - Average wind speed in August:
5km/h - Average wind speed in September:
4.3km/h - Average wind speed in October:
4.2km/h - Average wind speed in November:
4.3km/h - Average wind speed in December:
4.4km/h
The windiest month (with the highest average wind speed) is April (6.3km/h).
The calmest month (with the lowest average wind speed) is October (4.2km/h).
Average humidity
San Luis, Guatemala
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall
San Luis, Guatemala
- Average rainfall in January:
50mm - Average rainfall in February:
33mm - Average rainfall in March:
40mm - Average rainfall in April:
52mm - Average rainfall in May:
117mm - Average rainfall in June:
146mm
The wettest month (with the highest rainfall) is October (171mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days
San Luis, Guatemala
- Average rainfall days in January:
17.1 days - Average rainfall days in February:
14.9 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
24.1 days - Average rainfall days in June:
25.8 days
- Average rainfall days in July:
25.4 days - Average rainfall days in August:
26.8 days - Average rainfall days in September:
27.9 days - Average rainfall days in October:
25.5 days - Average rainfall days in November:
22.5 days - Average rainfall days in December:
18.4 days
The month with the highest number of rainy days is September (27.9 days).
The month with the least rainy days is February (14.9 days).
Average daylight / Average sunshine
San Luis, Guatemala
- Average daylight in January:
11h and 18min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 54min - Average daylight in June:
13h and 6min
- Average daylight in July:
13h and 0min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 24min - Average daylight in December:
11h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 48min - Average sunshine in April:
9h and 42min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
8h and 12min - Average sunshine in August:
8h and 24min - Average sunshine in September:
7h and 0min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 24min - Average sunshine in December:
4h and 48min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The months with the least sunshine are January and November (Average sunshine: 4h and 24min).
Average sunshine days
San Luis, Guatemala
- Average sunshine days in January:
10.6 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
4.5 days - Average sunshine days in June:
2.9 days
- Average sunshine days in July:
2.9 days - Average sunshine days in August:
1.8 days - Average sunshine days in September:
1.4 days - Average sunshine days in October:
3.3 days - Average sunshine days in November:
5.5 days - Average sunshine days in December:
9.1 days
The month with the most sunshine days is March (11.7 days).
The month with the least sunshine days is September (1.4 days).
Average UV index
San Luis, Guatemala
The months with the highest UV index are March, April and June (UV index 7).
The months with the lowest UV index are January, October, November and December (UV index 5).
Average cloud cover
San Luis, Guatemala
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility
San Luis, Guatemala
The month with the highest visibility is April (8km).
The months with the lowest visibility are January, February, September, October, November and December (6km).
