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April Weather in Sterling, United States

Last updated: June 24, 2025

In April, the average temperature in Sterling, United States is a pleasant 16°C (61°F). However, be prepared for a wide range, as temperatures can dip to a brisk -4°C (25°F) or soar up to a sweltering 35°C (95°F). With an average precipitation of 120 mm (4.7 in) spread across 7 days, and humidity levels hovering around 72%, you'll want to pack accordingly for the ever-changing weather!

April Temperature in Sterling

In April in Sterling, the average temperature is 16°C (61°F). Maximums can reach 35°C (95°F), while minimums can plunge to as low as -4°C (25°F). Pack accordingly to enjoy a versatile range of weather during your travels!

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

The chart illustrates April temperature patterns in Sterling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sterling, April typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (95°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec414255617180848276635145
Data source: Temperature data for Sterling 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 Sterling

In Sterling in April, the precipitation amount is 120 mm (4.7 in) over the course of 7 days.

April Precipitation Trends in Sterling

The chart displays monthly precipitation patterns in Sterling, 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 Sterling, April typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec40428412014962365595932237
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sterling

In Sterling in April humidity is 72%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making every step feel heavier and requiring extra effort while traveling.

April Average Humidity in Sterling

This chart illustrates the average monthly humidity levels in Sterling, 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 Sterling is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sterling

In Sterling 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 Sterling.

Maximum UV Index Levels in Sterling for April

The chart shows the monthly maximum UV Index (UVI) for Sterling 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 Sterling typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110754
Data source: Sterling 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 Sterling Compares to Other Months

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

This table compares monthly weather conditions in Sterling, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)40 mm (1.6 inches)76%moderate
February Weather6°C (42°F)42 mm (1.6 inches)76%high
March Weather13°C (55°F)84 mm (3.3 inches)70%very high
April Weather16°C (61°F)120 mm (4.7 inches)72%very high
May Weather21°C (71°F)149 mm (5.9 inches)82%extreme
June Weather26°C (80°F)62 mm (2.4 inches)82%extreme
July Weather29°C (84°F)36 mm (1.4 inches)80%extreme
August Weather28°C (83°F)55 mm (2.2 inches)72%extreme
September Weather24°C (76°F)95 mm (3.7 inches)64%very high
October Weather17°C (63°F)93 mm (3.7 inches)71%high
November Weather11°C (51°F)22 mm (0.9 inches)81%moderate
December Weather7°C (45°F)37 mm (1.5 inches)84%moderate

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