Climate and monthly weather forecast
La Unión, Guatemala

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Weather in January

January, the same as December, in La Unión, Guatemala, is another pleasant winter month, with an average temperature varying between 14.1°C (57.4°F) and 21.8°C (71.2°F). La Unión's January weather reaches an average high of 21.8°C (71.2°F) and an average low of 14.1°C (57.4°F), making it the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a warm month in La Unión, Guatemala, with an average temperature ranging between min 14.8°C (58.6°F) and max 24°C (75.2°F). Upon the beginning of February, La Unión's high-temperatures register at a moderately hot 24°C (75.2°F), closely mirroring the preceding month. Weather in February »

Weather in March

March, the first month of the spring in La Unión, is still a warm month, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 25.8°C (78.4°F). La Unión commences March with an average high-temperature of a still moderately hot 25.8°C (78.4°F), maintaining a close resemblance to the previous month. Weather in March »

Weather in April

April, the same as March, is another warm spring month in La Unión, Guatemala, with an average temperature fluctuating between 28.8°C (83.8°F) and 17.7°C (63.9°F). With average high temperatures of 28.8°C (83.8°F) and lows of 17.7°C (63.9°F), April is the warmest month. During April, the heat index is evaluated at a hot 33°C (91.4°F). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in La Unión, Guatemala, with an average temperature varying between 18.6°C (65.5°F) and 27.6°C (81.7°F). May's arrival brings an average high-temperature of a still warm 27.6°C (81.7°F), demonstrating subtle variation from the preceding month. Weather in May »

Weather in June

June, the first month of the summer in La Unión, is also a moderately hot month, with an average temperature varying between 26.2°C (79.2°F) and 18.3°C (64.9°F). The arrival of June coincides with an average high-temperature of a still moderately hot 26.2°C (79.2°F), indicating a minimal shift from May's 27.6°C (81.7°F). Weather in June »

Weather in July

July, like June, in La Unión, Guatemala, is another warm summer month, with an average temperature ranging between min 17.9°C (64.2°F) and max 25.5°C (77.9°F). An average high-temperature of a still warm 25.5°C (77.9°F) marks July, exhibiting a close resemblance to the conditions in June. Weather in July »

Weather in August

August, the last month of the summer in La Unión, is another warm month, with temperature in the range of an average low of 17.7°C (63.9°F) and an average high of 26.2°C (79.2°F). La Unión marks the onset of August with an average high-temperature of a still moderately hot 26.2°C (79.2°F), subtly divergent from July's 25.5°C (77.9°F). Weather in August »

Weather in September

September, the first month of the autumn in La Unión, is also a moderately hot month, with temperature in the range of an average low of 17.5°C (63.5°F) and an average high of 26°C (78.8°F). September begins with an average high-temperature of a still warm 26°C (78.8°F), reflecting close similarity to the preceding month. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in La Unión, Guatemala, with an average temperature fluctuating between 16.5°C (61.7°F) and 24.5°C (76.1°F). On the advent of October, La Unión's average high-temperature exhibits a minor adjustment to a still warm 24.5°C (76.1°F) from September's 26°C (78.8°F). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in La Unión, Guatemala, with an average temperature varying between 15.2°C (59.4°F) and 22.5°C (72.5°F). Transitioning into November, La Unión experiences an average high-temperature of a pleasant 22.5°C (72.5°F), marking a minor shift from the preceding month. Weather in November »

Weather in December

December, the first month of the winter in La Unión, is still a pleasant month, with an average temperature varying between 14.4°C (57.9°F) and 22.1°C (71.8°F). The shift from November to December is characterized by an average high-temperature of a still pleasant 22.1°C (71.8°F), not significantly different from the 22.5°C (72.5°F) of November. Weather in December »
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Frequently asked questions

What is the coldest month in La Unión?

The coldest time of the year is January, with temperatures averaging a high of 21.8°C (71.2°F) and a low of 14.1°C (57.4°F).

How much does it rain in La Unión?

In La Unión, during the entire year, the rain falls for 297.7 days and collects up to 1500mm (59.06") of precipitation.

When is the lowest UV index in La Unión?

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the driest month in La Unión?

The month with the least rainfall in La Unión, Guatemala, is February, when the rain falls for 19.1 days and typically collects 32mm (1.26") of precipitation.

What are the months with the highest UV index in La Unión?

The months with the highest UV index in La Unión are March through June, with an average maximum UV index of 6.

What month is the hottest in La Unión?

La Unión, Guatemala, notes the warmest temperatures in April, with a average high of 28.8°C (83.8°F) and a low of 17.7°C (63.9°F).

What is the least humid month in La Unión?

The least humid month in La Unión is April, with an average relative humidity of 76%.

What month has the most sunshine in La Unión?

The month with the most sunshine in La Unión, Guatemala, is April, with an average of 10.3h of sunshine.

When are the longest days in La Unión?

June has the longest days of the year in La Unión, Guatemala, with an average of 13h and 0min of daylight.

What is the rainiest month in La Unión?

September is the month with the most rainfall in La Unión. Rain falls for 29.2 days and accumulates 261mm (10.28") of precipitation.

What is the most humid month in La Unión?

October and November, with an average relative humidity of 91%, are most humid months in La Unión, Guatemala.

What is the month with the least sunshine in La Unión?

The month with the least sunshine in La Unión, Guatemala, is November, with an average of 5h of sunshine.

What is the month with the shortest days in La Unión?

With an average of 11h and 18min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST) in La Unión?

La Unión, Guatemala, does not utilize Daylight Saving Time (DST). CST timezone is used throughout the entire year.

Average temperature
La Unión, Guatemala

Average temperature - La Unión, Guatemala

The warmest month (with the highest average high temperature) is April (28.8°C).
The month with the lowest average high temperature is January (21.8°C).

The month with the highest average low temperature is May (18.6°C).
The coldest month (with the lowest average low temperature) is January (14.1°C).

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Average pressure
La Unión, Guatemala

Average pressure - La Unión, Guatemala

The month with the highest atmospheric pressure is January (1015.9mbar).
The months with the lowest atmospheric pressure are May and September (1012.2mbar).

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Average wind speed
La Unión, Guatemala

Average wind speed - La Unión, Guatemala

The windiest month (with the highest average wind speed) is January (7.8km/h).
The calmest month (with the lowest average wind speed) is September (4.4km/h).

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Average humidity
La Unión, Guatemala

Average humidity - La Unión, Guatemala

The months with the highest relative humidity are October and November (91%).
The month with the lowest relative humidity is April (76%).

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Average rainfall
La Unión, Guatemala

Average rainfall - La Unión, Guatemala

The wettest month (with the highest rainfall) is September (261mm).
The driest month (with the least rainfall) is February (32mm).

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Average rainfall days
La Unión, Guatemala

Average rainfall days - La Unión, Guatemala

The month with the highest number of rainy days is September (29.2 days).
The month with the least rainy days is February (19.1 days).

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Average daylight / Average sunshine
La Unión, Guatemala

Average daylight / Average sunshine - La Unión, Guatemala

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).

The month with the most sunshine is April (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).

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Average sunshine days
La Unión, Guatemala

Average sunshine days - La Unión, Guatemala

The month with the most sunshine days is March (8.3 days).
The month with the least sunshine days is September (0.7 days).

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Average UV index
La Unión, Guatemala

Average UV index - La Unión, Guatemala

The months with the highest UV index are March, April, May and June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).

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Average visibility
La Unión, Guatemala

Average visibility - La Unión, Guatemala

The month with the highest visibility is April (8km).
The months with the lowest visibility are October, November and December (5km).

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La Unión, Guatemala

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