Climate and monthly weather forecastCasillas, Guatemala
Climate and monthly weather forecast
Weather in January
January in Casillas, Guatemala, is a moderately hot winter month, with temperature in the range of an average low of 11.8°C (53.2°F) and an average high of 23.3°C (73.9°F). Casillas, Guatemala, transitions into January recording an average high-temperature of a moderately hot 23.3°C (73.9°F), closely aligning with the preceding month's temperature. Weather in January »Weather in February
February, the last month of the winter in Casillas, is also a moderately hot month, with an average temperature ranging between min 12.6°C (54.7°F) and max 24.8°C (76.6°F). The arrival of February is marked by an average high-temperature of a still moderately hot 24.8°C (76.6°F), bearing a close resemblance to January. Weather in February »Weather in March
The first month of the spring, March, is still a warm month in Casillas, Guatemala, with an average temperature ranging between max 26.3°C (79.3°F) and min 13.4°C (56.1°F). Casillas observes a minor difference in average high-temperatures between February's 24.8°C (76.6°F) and March's 26.3°C (79.3°F). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Casillas, Guatemala, with an average temperature ranging between max 27.3°C (81.1°F) and min 15.6°C (60.1°F). In Casillas, the peak temperatures are generally noted in April, averaging a high of 27.3°C (81.1°F) and a low of 15.6°C (60.1°F). The average heat index in April is calculated to be 29°C (84.2°F). Weather in April »Weather in May
May, the last month of the spring in Casillas, is another warm month, with an average temperature ranging between min 16.5°C (61.7°F) and max 25.4°C (77.7°F). As Casillas steps into May, the average high-temperature is measured at a still moderately hot 25.4°C (77.7°F), displaying minor differences from April's 27.3°C (81.1°F). Weather in May »Weather in June
June, the first month of the summer in Casillas, is also a moderately hot month, with an average temperature ranging between max 23.5°C (74.3°F) and min 15.8°C (60.4°F). As May turns into June, the average high-temperatures rest at a still moderately hot 23.5°C (74.3°F), showing a minor variation from the prior month. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Casillas, Guatemala, with temperature in the range of an average low of 14.9°C (58.8°F) and an average high of 24°C (75.2°F). July's average high-temperature stands at a still warm 24°C (75.2°F), showing little deviation from June's 23.5°C (74.3°F). Weather in July »Weather in August
August, the last month of the summer in Casillas, is another warm month, with an average temperature fluctuating between 14.9°C (58.8°F) and 24.2°C (75.6°F). The transition from July to August sees average high-temperatures adjusting to a still warm 24.2°C (75.6°F), from a not significantly different 24°C (75.2°F). Weather in August »Weather in September
September, the first month of the autumn in Casillas, is also a moderately hot month, with temperature in the range of an average high of 23.4°C (74.1°F) and an average low of 15°C (59°F). Casillas experiences an average high-temperature of a still moderately hot 23.4°C (74.1°F) in September, subtly different from August's 24.2°C (75.6°F). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Casillas, Guatemala, with an average temperature ranging between max 22.5°C (72.5°F) and min 14.3°C (57.7°F). October is the month that records the lowest temperatures, with averages ranging from a high of 22.5°C (72.5°F) to a low of 14.3°C (57.7°F). Weather in October »Weather in November
November, the last month of the autumn in Casillas, is another pleasant month, with temperature in the range of an average low of 13.3°C (55.9°F) and an average high of 22.6°C (72.7°F). Casillas's average high-temperature in November sits at a still pleasant 22.6°C (72.7°F), showing little difference from the previous month. Weather in November »Weather in December
The first month of the winter, December, is also an agreeable month in Casillas, Guatemala, with an average temperature varying between 22.8°C (73°F) and 12.4°C (54.3°F). In December, the average high-temperature registers at a still agreeable 22.8°C (73°F), nearly identical to November's 22.6°C (72.7°F). 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
The month with the least rainfall is January, when the rain falls for 6.7 days and typically collects 7mm (0.28") of precipitation.
In Casillas, Guatemala, during the entire year, the rain falls for 231.3 days and collects up to 1656mm (65.2") of precipitation.
With an average relative humidity of 69%, March is the least humid month.
March and April, with an average maximum UV index of 6, are months with the highest UV index in Casillas.
April, with its high-temperature average of 27.3°C (81.1°F) and a low-temperature average of 15.6°C (60.1°F), is the warmest month in Casillas, Guatemala.
April has the most sunshine of the year in Casillas, Guatemala, with an average of 11.3h of sunshine.
The month with the most rainfall in Casillas is May, when the rain falls for 27.3 days and typically aggregates up to 285mm (11.22") of precipitation.
The month with the longest days in Casillas, Guatemala, is June, with an average of 13h and 0min of daylight.
The months with the lowest UV index in Casillas, Guatemala, are August and October, with an average maximum UV index of 4.
With an average relative humidity of 90%, September is the most humid month in Casillas, Guatemala.
October is the coldest month in Casillas, Guatemala, with the temperature often reaching an average high of 22.5°C (72.5°F) and an average low of 14.3°C (57.7°F).
The month with the least sunshine in Casillas, Guatemala, is October, with an average of 7.4h of sunshine.
The month with the shortest days in Casillas is December, with an average of 11h and 18min of daylight.
Casillas does not utilize Daylight Saving Time (DST). CST timezone is used throughout the entire year.
Average temperature
Casillas, Guatemala
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).
The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure
Casillas, Guatemala
- Average pressure in January:
1015.5mbar - Average pressure in February:
1014.6mbar - Average pressure in March:
1014.2mbar - Average pressure in April:
1012.9mbar - Average pressure in May:
1012.5mbar - Average pressure in June:
1012.8mbar
- Average pressure in July:
1013.9mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1012.6mbar - Average pressure in October:
1012.7mbar - Average pressure in November:
1014.2mbar - Average pressure in December:
1014.8mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).
Average wind speed
Casillas, Guatemala
- Average wind speed in January:
12.8km/h - Average wind speed in February:
11.2km/h - Average wind speed in March:
10.1km/h - Average wind speed in April:
7.8km/h - Average wind speed in May:
6.2km/h - Average wind speed in June:
6.3km/h
- Average wind speed in July:
8.2km/h - Average wind speed in August:
6.7km/h - Average wind speed in September:
5.9km/h - Average wind speed in October:
8.2km/h - Average wind speed in November:
11.6km/h - Average wind speed in December:
11.9km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).
Average humidity
Casillas, Guatemala
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).
Average rainfall
Casillas, Guatemala
The wettest month (with the highest rainfall) is May (285mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days
Casillas, Guatemala
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
9 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
19.1 days - Average rainfall days in May:
27.3 days - Average rainfall days in June:
28.2 days
- Average rainfall days in July:
25.3 days - Average rainfall days in August:
27.9 days - Average rainfall days in September:
28.7 days - Average rainfall days in October:
26 days - Average rainfall days in November:
14.4 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is September (28.7 days).
The month with the least rainy days is January (6.7 days).
Average daylight / Average sunshine
Casillas, Guatemala
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 30min - Average daylight in May:
12h and 48min - Average daylight in June:
13h and 0min
- Average daylight in July:
12h and 54min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 18min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in January:
7h and 30min - Average sunshine in February:
9h and 48min - Average sunshine in March:
9h and 42min - Average sunshine in April:
11h and 18min - Average sunshine in May:
9h and 42min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
9h and 12min - Average sunshine in August:
9h and 24min - Average sunshine in September:
7h and 42min - Average sunshine in October:
7h and 24min - Average sunshine in November:
7h and 30min - Average sunshine in December:
7h and 30min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).
Average sunshine days
Casillas, Guatemala
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
8.6 days - Average sunshine days in May:
2.8 days - Average sunshine days in June:
1.3 days
- Average sunshine days in July:
4.6 days - Average sunshine days in August:
2.2 days - Average sunshine days in September:
0.9 days - Average sunshine days in October:
3.7 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.9 days).
Average UV index
Casillas, Guatemala
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are August and October (UV index 4).
Average cloud cover
Casillas, Guatemala
The months with the most cloud cover are June and September (Cloud cover 59).
The months with the least cloud cover are January, February and March (Cloud cover 26).
Average visibility
Casillas, Guatemala
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
