April Weather in Hartley, United States

Last updated: June 24, 2025

In Hartley, United States, the average temperature in April hovers around 7°C (45°F). During this time, temperatures can dip as low as -14°C (6°F) and soar up to 28°C (83°F). Expect about 101 mm (4.0 in) of precipitation spread over 9 days, with an average humidity of 79% adding to the atmosphere of the season.

April Temperature in Hartley

In April in Hartley, the average temperature is 7°C (45°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -14°C (6°F). This diverse range of temperatures makes Hartley an ideal destination for travelers looking for a mix of seasonal experiences.

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 7°C (45°F), with highs reaching up to 28°C (83°F) and lows dropping to around -14°C (6°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 total precipitation amount is 101 mm (4.0 in), occurring over a span of 9 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 101 mm (4.0 inches) of precipitation spread over approximately 9 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 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.

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 79%, 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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, 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	-7°C (20°F)	28 mm (1.1 inches)	80%	moderate
February Weather	-7°C (19°F)	34 mm (1.3 inches)	84%	moderate
March Weather	2°C (35°F)	69 mm (2.7 inches)	75%	moderate
April Weather	7°C (45°F)	101 mm (4.0 inches)	79%	very high
May Weather	15°C (59°F)	136 mm (5.3 inches)	74%	very high
June Weather	22°C (72°F)	126 mm (5.0 inches)	81%	extreme
July Weather	24°C (75°F)	73 mm (2.9 inches)	82%	very high
August Weather	22°C (71°F)	104 mm (4.1 inches)	80%	very high
September Weather	19°C (66°F)	109 mm (4.3 inches)	75%	very high
October Weather	9°C (49°F)	88 mm (3.5 inches)	77%	moderate
November Weather	2°C (35°F)	31 mm (1.2 inches)	85%	moderate
December Weather	-3°C (27°F)	39 mm (1.5 inches)	83%	moderate