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April Weather in Monticello, United States

Last updated: June 24, 2025

In Monticello, United States, the average temperature in April is a mild 14°C (58°F), but be prepared for some variability—minimums can dip to -2°C (29°F), while maximums can soar to 30°C (87°F). Expect approximately 145 mm (5.7 in) of precipitation spread over 12 days, contributing to an average humidity level of 84%. Dress accordingly for a blend of warmth and moisture!

April Temperature in Monticello

In April in Monticello, the average temperature is 14°C (58°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as -2°C (29°F). Be sure to pack for a wide range of weather conditions if you plan to visit during this time!

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

The chart illustrates April 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, April typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec394450576874787672624844
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.

April Precipitation in Monticello

In Monticello in April, the precipitation amount is 145 mm (5.7 in) over the course of 12 days.

April Precipitation Trends in Monticello

The chart displays monthly precipitation patterns in Monticello, 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 Monticello, April typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9718014714612814010512911412774136
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Monticello

In Monticello in April humidity is 84%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket enveloping you, making every step feel sluggish and damp, which can be uncomfortable for traveling.

April Average Humidity in Monticello

This chart illustrates the average monthly humidity levels in Monticello, 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 Monticello is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Monticello

In Monticello 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 Monticello.

Maximum UV Index Levels in Monticello for April

The chart shows the monthly maximum UV Index (UVI) for Monticello 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 Monticello typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Monticello 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 Monticello Compares to Other Months

Weather in Monticello varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)88%moderate
February Weather7°C (44°F)180 mm (7.1 inches)88%high
March Weather10°C (51°F)147 mm (5.8 inches)87%high
April Weather14°C (58°F)145 mm (5.7 inches)84%very high
May Weather20°C (68°F)128 mm (5.0 inches)84%extreme
June Weather23°C (74°F)140 mm (5.5 inches)83%extreme
July Weather26°C (78°F)104 mm (4.1 inches)79%extreme
August Weather24°C (76°F)129 mm (5.1 inches)66%very high
September Weather22°C (72°F)114 mm (4.5 inches)67%very high
October Weather17°C (62°F)127 mm (5.0 inches)76%high
November Weather9°C (48°F)74 mm (2.9 inches)89%moderate
December Weather7°C (44°F)136 mm (5.4 inches)88%moderate

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