April Weather in Monticello, United States

Last updated: June 24, 2025

In April, the average temperature in Monticello, United States hovers around 18°C (65°F), offering a comfortable climate. However, be prepared for temperature fluctuations, as it can dip to a cool 1°C (35°F) or rise to a warm 32°C (90°F). During this month, expect approximately 103 mm (4.0 in) of precipitation spread over 9 days, contributing to an average humidity level of 81%. Whether you're packing light or layering up, it's a month of diverse weather!

April Temperature in Monticello

In April in Monticello, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), while minimums can be as low as 1°C (35°F). This variety in temperature makes it essential to pack layers for your travels.

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 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (35°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 103 mm (4.0 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 103 mm (4.0 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Monticello

In Monticello in April, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment 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 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 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.

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	9°C (48°F)	106 mm (4.2 inches)	86%	moderate
February Weather	12°C (54°F)	127 mm (5.0 inches)	84%	high
March Weather	15°C (59°F)	88 mm (3.5 inches)	83%	very high
April Weather	18°C (65°F)	103 mm (4.0 inches)	81%	very high
May Weather	23°C (73°F)	95 mm (3.7 inches)	81%	extreme
June Weather	26°C (78°F)	119 mm (4.7 inches)	81%	extreme
July Weather	27°C (81°F)	116 mm (4.6 inches)	83%	extreme
August Weather	27°C (80°F)	123 mm (4.9 inches)	81%	very high
September Weather	25°C (77°F)	103 mm (4.1 inches)	82%	very high
October Weather	20°C (68°F)	107 mm (4.2 inches)	78%	very high
November Weather	13°C (55°F)	79 mm (3.1 inches)	86%	high
December Weather	10°C (51°F)	133 mm (5.2 inches)	89%	moderate