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March Weather in Monticello, United States

Last updated: June 24, 2025

In March, the average temperature in Monticello, United States hovers around 3°C (37°F). You'll experience a wide range, with minimums dropping to -24°C (-11°F) and maximums reaching 23°C (73°F). Be prepared for 59 mm (2.3 in) of precipitation over about 9 days and an average humidity level of 85%, making the air feel quite damp.

March Temperature in Monticello

In March in Monticello, the average temperature is 3°C (37°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -24°C (-11°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates March temperature patterns in Monticello, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monticello, March typically has an average temperature of 3°C (37°F), with highs reaching up to 23°C (73°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec222337476071757266523730
Data source: Temperature data for Monticello 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 Monticello

In Monticello in March, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

March Precipitation Trends in Monticello

The chart displays monthly precipitation patterns in Monticello, 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 Monticello, March typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec55545997136124781061181134349
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Monticello

In Monticello in March, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.

March Average Humidity in Monticello

This chart illustrates the average monthly humidity levels in Monticello, 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 Monticello is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Monticello

In Monticello in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Monticello, you can refer to this Hourly UV Index in Monticello.

Maximum UV Index Levels in Monticello for March

The chart shows the monthly maximum UV Index (UVI) for Monticello 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 Monticello typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Monticello 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 Monticello Compares to Other Months

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

This table compares monthly weather conditions in Monticello, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)55 mm (2.2 inches)85%moderate
February Weather-5°C (24°F)54 mm (2.1 inches)85%moderate
March Weather3°C (37°F)59 mm (2.3 inches)85%high
April Weather8°C (47°F)97 mm (3.8 inches)85%very high
May Weather16°C (60°F)136 mm (5.3 inches)78%very high
June Weather22°C (71°F)124 mm (4.9 inches)80%very high
July Weather24°C (75°F)78 mm (3.1 inches)78%very high
August Weather22°C (72°F)106 mm (4.2 inches)76%very high
September Weather19°C (66°F)118 mm (4.6 inches)79%very high
October Weather11°C (52°F)113 mm (4.5 inches)83%moderate
November Weather3°C (37°F)43 mm (1.7 inches)88%moderate
December Weather-1°C (30°F)49 mm (1.9 inches)81%low

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