April Weather in Union, Guatemala

Last updated: August 23, 2025

In April, the average temperature in Union, Guatemala hovers around 21°C (70°F). Expect temperatures to vary, with a minimum of 10°C (50°F) and a maximum reaching 32°C (90°F). Precipitation is relatively modest, with 22 mm (0.9 in) spread over 5 days, while the average humidity sits at a comfortable 57%.

April Temperature in Union

In April in Union, the average temperature is 21°C (70°F). Maximums can reach 32°C (90°F), while minimums can dip as low as 10°C (50°F). This makes it an ideal time for exploring and enjoying outdoor activities in Union.

April Weather in Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Union, April typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (50°F).

Data source: Temperature data for Union generated using information from the Copernicus Climate Change Service.

April Precipitation in Union

In Union in April, the total precipitation amount is 22 mm (0.9 in) spread over a period of 5 days.

April Precipitation Trends in Union

The chart displays monthly precipitation patterns in Union, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Union, April typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Union

In Union in April humidity is 57%. With an average temperature of 21°C (70°F), this humidity feels like a refreshing embrace, making travel quite pleasant as you stroll through the sights, though you might occasionally seek shade to escape the mild stickiness that lingers in the air.

April Average Humidity in Union

This chart illustrates the average monthly humidity levels in Union, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Union is approximately 57%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Union

In Union in April, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Union.

Maximum UV Index Levels in Union for April

The chart shows the monthly maximum UV Index (UVI) for Union in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Union typically reaches 15, which falls under the extreme exposure category.

Data source: Union April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Union Compares to Other Months

Weather in Union varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Union, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Union, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	27 mm (1.1 inches)	76%	extreme
February Weather	18°C (64°F)	16 mm (0.6 inches)	68%	extreme
March Weather	19°C (66°F)	14 mm (0.5 inches)	59%	extreme
April Weather	21°C (70°F)	22 mm (0.9 inches)	57%	extreme
May Weather	21°C (71°F)	139 mm (5.5 inches)	65%	extreme
June Weather	20°C (69°F)	353 mm (13.9 inches)	66%	extreme
July Weather	20°C (68°F)	146 mm (5.7 inches)	75%	extreme
August Weather	20°C (68°F)	263 mm (10.4 inches)	82%	extreme
September Weather	20°C (68°F)	331 mm (13.0 inches)	82%	extreme
October Weather	19°C (67°F)	226 mm (8.9 inches)	83%	extreme
November Weather	18°C (65°F)	76 mm (3.0 inches)	80%	extreme
December Weather	17°C (63°F)	25 mm (1.0 inches)	76%	very high