April Weather in Hartley, United States

Last updated: June 24, 2025

In Hartley, United States, the average temperature in April hovers around 17°C (62°F), with daily highs reaching up to 34°C (94°F) and lows dipping to 3°C (37°F). Expect about 30 mm (1.2 in) of precipitation spread over 5 days, contributing to the area's high average humidity of 81%. Whether you're enjoying the warmth or seeking shelter from the occasional rain, Hartley offers a unique climate experience this time of year!

April Temperature in Hartley

In April in Hartley, the average temperature is 17°C (62°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 3°C (37°F). This makes Hartley a great destination for travelers looking to experience mild weather with the possibility of warm days and cool evenings.

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

The chart illustrates April temperature patterns in Hartley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartley, April typically has an average temperature of 17°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around 3°C (37°F).

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

April Precipitation in Hartley

In Hartley in April, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.

April Precipitation Trends in Hartley

The chart displays monthly precipitation patterns in Hartley, 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 Hartley, April typically receives around 30 mm (1.2 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 Hartley

In Hartley in April, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

April Average Humidity in Hartley

This chart illustrates the average monthly humidity levels in Hartley, 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 Hartley is approximately 81%, 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 Hartley

In Hartley in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hartley.

Maximum UV Index Levels in Hartley for April

The chart shows the monthly maximum UV Index (UVI) for Hartley 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 Hartley typically reaches 9, which falls under the very high exposure category.

Data source: Hartley 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 Hartley Compares to Other Months

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

This table compares monthly weather conditions in Hartley, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	124 mm (4.9 inches)	84%	moderate
February Weather	12°C (54°F)	106 mm (4.2 inches)	84%	moderate
March Weather	13°C (56°F)	79 mm (3.1 inches)	83%	high
April Weather	17°C (62°F)	30 mm (1.2 inches)	81%	very high
May Weather	20°C (68°F)	18 mm (0.7 inches)	74%	very high
June Weather	24°C (75°F)	2 mm (0.1 inches)	64%	extreme
July Weather	25°C (77°F)	0 mm (0.0 inches)	44%	extreme
August Weather	24°C (76°F)	0 mm (0.0 inches)	36%	very high
September Weather	23°C (74°F)	1 mm (0.0 inches)	44%	very high
October Weather	19°C (66°F)	27 mm (1.1 inches)	65%	high
November Weather	13°C (56°F)	38 mm (1.5 inches)	84%	moderate
December Weather	10°C (50°F)	85 mm (3.3 inches)	83%	moderate