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March Weather in Sidney, United States

Last updated: June 24, 2025

In March, the average temperature in Sidney, United States hovers around -1°C (31°F), making it a chilly time of year. Temperatures can swing dramatically, with a minimum plummeting to -28°C (-18°F) and a maximum reaching up to 20°C (69°F). Prepare for some wet days as well, with an average precipitation of 21 mm (0.8 in) over 5 days, alongside an average humidity of 77%.

March Temperature in Sidney

In March in Sidney, the average temperature is -1°C (31°F), with maximums reaching up to 20°C (69°F) and minimums plummeting to as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures, from chilly to surprisingly warm, and pack accordingly for this diverse climate.

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

The chart illustrates March 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, March typically has an average temperature of -1°C (31°F), with highs reaching up to 20°C (69°F) and lows dropping to around -28°C (-18°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.

March Precipitation in Sidney

In Sidney in March, the precipitation amount is 21 mm (0.8 in) spread over a period of 5 days.

March Precipitation Trends in Sidney

The chart displays monthly precipitation patterns in Sidney, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Sidney, March typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec102221255367383960301918
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Sidney

In Sidney in March, humidity is 77%. With an average temperature of -1°C (31°F), this humidity feels like a heavy fog wrapping around you, making travel challenging as the cold air clings to your skin, and each breath becomes a visible puff, reminding you of the biting chill.

March Average Humidity in Sidney

This chart illustrates the average monthly humidity levels in Sidney, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Sidney is approximately 77%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Sidney

In Sidney in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sidney.

Maximum UV Index Levels in Sidney for March

The chart shows the monthly maximum UV Index (UVI) for Sidney in March, 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 March, the maximum UV index in Sidney typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24598101097532
Data source: Sidney March 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 March 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 March’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 March’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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