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April Weather in Caldwell, United States

Last updated: June 24, 2025

In April, the average temperature in Caldwell, United States is a mild 14°C (58°F). However, be prepared for a range, as temperatures can dip as low as -6°C (22°F) or soar up to 34°C (94°F). Expect about 89 mm (3.5 in) of precipitation across 9 days, contributing to an average humidity level of 70%. Embrace the diversity of weather this month brings!

April Temperature in Caldwell

In April in Caldwell, the average temperature is 14°C (58°F). Maximums can reach 34°C (94°F), while minimums can dip as low as -6°C (22°F). It’s advisable to pack for both warm and chilly conditions if you're planning to travel during this time.

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 14°C (58°F), with highs reaching up to 34°C (94°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec363751576879828075604741
Data source: Temperature data for Caldwell generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Caldwell

In Caldwell in April, the precipitation amount is 89 mm (3.5 in) during a span 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 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec443188891721235296771272530
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Caldwell

In Caldwell in April, humidity is 70%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace that can make outdoor activities feel sticky and exhausting, potentially limiting your exploration to cooler hours of the day.

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 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)44 mm (1.7 inches)75%moderate
February Weather3°C (37°F)31 mm (1.2 inches)76%high
March Weather10°C (51°F)88 mm (3.5 inches)67%high
April Weather14°C (58°F)89 mm (3.5 inches)70%very high
May Weather20°C (68°F)172 mm (6.8 inches)82%very high
June Weather26°C (79°F)123 mm (4.8 inches)82%extreme
July Weather28°C (82°F)51 mm (2.0 inches)81%extreme
August Weather26°C (80°F)96 mm (3.8 inches)76%very high
September Weather24°C (75°F)77 mm (3.0 inches)67%very high
October Weather15°C (60°F)127 mm (5.0 inches)72%high
November Weather9°C (48°F)25 mm (1.0 inches)80%moderate
December Weather5°C (41°F)30 mm (1.2 inches)83%moderate

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