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April Weather in Olney, United States

Last updated: June 24, 2025

In April, the average temperature in Olney, United States is 18°C (65°F). However, temperatures can vary dramatically, with a minimum of -1°C (30°F) and a maximum reaching up to 37°C (99°F). Expect about 63 mm (2.5 in) of precipitation spread over 5 days, while the average humidity sits at a comfortable 75%. Whether you're enjoying mild days or the occasional drizzle, there's plenty to experience in this vibrant locale!

April Temperature in Olney

In April in Olney, the average temperature is 18°C (65°F). The maximum can reach 37°C (99°F), while the minimum can drop as low as -1°C (30°F). Be prepared for a diverse range of weather during your travels!

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

The chart illustrates April temperature patterns in Olney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olney, April typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec454759657583878679665550
Data source: Temperature data for Olney 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 Olney

In Olney in April, the precipitation amount is 63 mm (2.5 in) spread over a period of 5 days.

April Precipitation Trends in Olney

The chart displays monthly precipitation patterns in Olney, 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 Olney, April typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec374471639957234894783341
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Olney

In Olney in April, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

April Average Humidity in Olney

This chart illustrates the average monthly humidity levels in Olney, 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 Olney is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Olney

In Olney 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 Olney.

Maximum UV Index Levels in Olney for April

The chart shows the monthly maximum UV Index (UVI) for Olney 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 Olney typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Olney 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 Olney Compares to Other Months

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

This table compares monthly weather conditions in Olney, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)37 mm (1.5 inches)77%moderate
February Weather8°C (47°F)44 mm (1.7 inches)76%high
March Weather15°C (59°F)71 mm (2.8 inches)74%very high
April Weather18°C (65°F)63 mm (2.5 inches)75%very high
May Weather24°C (75°F)99 mm (3.9 inches)80%extreme
June Weather28°C (83°F)57 mm (2.2 inches)80%extreme
July Weather30°C (87°F)23 mm (0.9 inches)75%extreme
August Weather30°C (86°F)48 mm (1.9 inches)67%extreme
September Weather26°C (79°F)94 mm (3.7 inches)64%very high
October Weather19°C (67°F)78 mm (3.1 inches)70%very high
November Weather13°C (55°F)33 mm (1.3 inches)82%high
December Weather10°C (50°F)41 mm (1.6 inches)85%moderate

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