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April Weather in Sidney, United States

Last updated: June 24, 2025

In April, the average temperature in Sidney, United States hovers around 5°C (41°F), with a range that can dip to a chilling -20°C (-4°F) and soar up to a comfortable 26°C (80°F). Expect about 25 mm (1.0 in) of precipitation over 6 days, and enjoy a relatively high average humidity of 72%.

April Temperature in Sidney

In April in Sidney, the average temperature is 5°C (41°F). The maximum can reach 26°C (80°F), while the minimum can drop as low as -20°C (-4°F). Be prepared for a wide range of temperatures, so pack layers for your travels!

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

The chart illustrates April temperature patterns in Sidney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sidney, April typically has an average temperature of 5°C (41°F), with highs reaching up to 26°C (80°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec171330405567737059433122
Data source: Temperature data for Sidney 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 Sidney

In Sidney in April, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

April Precipitation Trends in Sidney

The chart displays monthly precipitation patterns in Sidney, 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 Sidney, April typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec102221255367383960301918
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Sidney

In Sidney in April humidity is 72%. With an average temperature of 5°C (41°F), this humidity feels like a chilly, damp embrace that can make outdoor adventures quite uncomfortable, as the cold air coupled with the high moisture in the atmosphere seeps into your bones, leaving you longing for warmth and cozy indoor activities.

April Average Humidity in Sidney

This chart illustrates the average monthly humidity levels in Sidney, 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 Sidney is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%86%77%72%77%79%78%74%68%70%80%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sidney

In Sidney in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sidney.

Maximum UV Index Levels in Sidney for April

The chart shows the monthly maximum UV Index (UVI) for Sidney 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 Sidney typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24598101097532
Data source: Sidney 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 Sidney Compares to Other Months

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

This table compares monthly weather conditions in Sidney, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)10 mm (0.4 inches)83%low
February Weather-11°C (13°F)22 mm (0.8 inches)86%moderate
March Weather-1°C (31°F)21 mm (0.8 inches)77%moderate
April Weather5°C (41°F)25 mm (1.0 inches)72%very high
May Weather13°C (55°F)53 mm (2.1 inches)77%very high
June Weather19°C (67°F)67 mm (2.6 inches)79%very high
July Weather23°C (73°F)38 mm (1.5 inches)78%very high
August Weather21°C (70°F)39 mm (1.5 inches)74%very high
September Weather15°C (60°F)60 mm (2.3 inches)68%high
October Weather6°C (43°F)30 mm (1.2 inches)70%moderate
November Weather-1°C (31°F)19 mm (0.7 inches)80%moderate
December Weather-6°C (22°F)18 mm (0.7 inches)84%low

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