April Weather in Caldwell, United States

Last updated: June 24, 2025

In Caldwell, United States, the average temperature in April hovers around 20°C (69°F), providing a pleasant climate for outdoor activities. Be prepared for a temperature range that can dip as low as 3°C (37°F) and soar up to 35°C (95°F). Rainfall is moderate, with 137 mm (5.4 in) expected over 9 days, while the air remains distinctly humid at an average of 79%.

April Temperature in Caldwell

In April in Caldwell, the average temperature is 20°C (69°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 3°C (37°F). This makes it a great time to explore Caldwell, as you can enjoy warm daytime activities while still having cool evenings to relax.

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

The chart illustrates April temperature patterns in Caldwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caldwell, April typically has an average temperature of 20°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (37°F).

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

April Precipitation in Caldwell

In Caldwell in April, the total precipitation amount is 137 mm (5.4 in) over the course of 9 days.

April Precipitation Trends in Caldwell

The chart displays monthly precipitation patterns in Caldwell, 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 Caldwell, April typically receives around 137 mm (5.4 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 Caldwell

In Caldwell in April humidity is 79%. With an average temperature of 20°C (69°F), this humidity feels like a warm, steamy embrace, making travel slightly uncomfortable as the air feels heavy and sticky, often leaving you yearning for a cool breeze or air conditioning to escape the dampness.

April Average Humidity in Caldwell

This chart illustrates the average monthly humidity levels in Caldwell, 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 Caldwell 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 Caldwell

In Caldwell in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Caldwell.

Maximum UV Index Levels in Caldwell for April

The chart shows the monthly maximum UV Index (UVI) for Caldwell 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 Caldwell typically reaches 11, which falls under the extreme exposure category.

Data source: Caldwell 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 Caldwell Compares to Other Months

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

This table compares monthly weather conditions in Caldwell, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	70 mm (2.8 inches)	79%	moderate
February Weather	12°C (54°F)	73 mm (2.9 inches)	80%	very high
March Weather	18°C (64°F)	75 mm (3.0 inches)	78%	very high
April Weather	20°C (69°F)	137 mm (5.4 inches)	79%	extreme
May Weather	25°C (77°F)	156 mm (6.1 inches)	81%	extreme
June Weather	28°C (83°F)	115 mm (4.5 inches)	77%	extreme
July Weather	29°C (85°F)	85 mm (3.4 inches)	71%	extreme
August Weather	30°C (87°F)	119 mm (4.7 inches)	67%	extreme
September Weather	27°C (81°F)	127 mm (5.0 inches)	69%	very high
October Weather	22°C (71°F)	102 mm (4.0 inches)	73%	very high
November Weather	16°C (61°F)	72 mm (2.8 inches)	82%	high
December Weather	13°C (56°F)	101 mm (4.0 inches)	87%	moderate