April Weather in Monticello, United States

Last updated: June 24, 2025

In April, the average temperature in Monticello, United States hovers around 19°C (66°F). Visitors can expect a minimum temperature of 2°C (36°F) and a maximum reaching 31°C (89°F). Be prepared for some rain, as the area typically receives 143 mm (5.6 in) of precipitation over 9 days, contributing to an average humidity level of 81%.

April Temperature in Monticello

In April in Monticello, the average temperature is 19°C (66°F), with maximums reaching 31°C (89°F) and minimums dropping as low as 2°C (36°F). This diverse temperature range makes it essential for travelers to pack both light clothing for warm days and warmer attire for cooler evenings.

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 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Monticello generated using information from the Copernicus Climate Change Service.

April Precipitation in Monticello

In Monticello, in April, the precipitation amount is 143 mm (5.6 in) over the course of 9 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 143 mm (5.6 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Monticello

In Monticello in April, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

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 81%, offering insight into how humid the weather typically is during this month.

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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	116 mm (4.6 inches)	83%	moderate
February Weather	13°C (56°F)	118 mm (4.6 inches)	83%	high
March Weather	16°C (62°F)	117 mm (4.6 inches)	80%	very high
April Weather	19°C (66°F)	143 mm (5.6 inches)	81%	extreme
May Weather	23°C (74°F)	160 mm (6.3 inches)	81%	extreme
June Weather	26°C (79°F)	158 mm (6.2 inches)	78%	extreme
July Weather	27°C (81°F)	133 mm (5.2 inches)	79%	extreme
August Weather	27°C (81°F)	170 mm (6.7 inches)	79%	extreme
September Weather	26°C (79°F)	114 mm (4.5 inches)	79%	very high
October Weather	21°C (70°F)	98 mm (3.9 inches)	77%	very high
November Weather	14°C (57°F)	83 mm (3.3 inches)	85%	high
December Weather	12°C (53°F)	141 mm (5.6 inches)	88%	moderate