April Weather in Basalt, United States

Last updated: June 24, 2025

In April, the average temperature in Basalt, United States hovers around 0°C (33°F). Expect chilly conditions, with minimums dipping to -17°C (1°F) and maximums peaking at 13°C (56°F). This month experiences 66 mm (2.6 in) of precipitation over approximately 13 days, contributing to an average humidity of 76%. Stay warm and prepare for some wet days!

April Temperature in Basalt

In April in Basalt, the average temperature is 0°C (33°F). Maximums can reach 13°C (56°F), while minimums can be as low as -17°C (1°F). Travelers should be prepared for chilly weather and potential cold snaps during this month.

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

The chart illustrates April temperature patterns in Basalt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Basalt, April typically has an average temperature of 0°C (33°F), with highs reaching up to 13°C (56°F) and lows dropping to around -17°C (1°F).

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

April Precipitation in Basalt

In Basalt in April, the total precipitation amount is 66 mm (2.6 in) spread over the course of 13 days.

April Precipitation Trends in Basalt

The chart displays monthly precipitation patterns in Basalt, 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 Basalt, April typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 13 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 Basalt

In Basalt in April, humidity is 76%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps through your layers, making travel uncomfortable and urging you to seek out cozy indoor spaces.

April Average Humidity in Basalt

This chart illustrates the average monthly humidity levels in Basalt, 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 Basalt is approximately 76%, 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 Basalt

In Basalt in April, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Basalt.

Maximum UV Index Levels in Basalt for April

The chart shows the monthly maximum UV Index (UVI) for Basalt 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 Basalt typically reaches 12, which falls under the extreme exposure category.

Data source: Basalt 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 Basalt Compares to Other Months

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

This table compares monthly weather conditions in Basalt, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	61 mm (2.4 inches)	88%	moderate
February Weather	-7°C (20°F)	81 mm (3.2 inches)	87%	high
March Weather	-2°C (28°F)	85 mm (3.3 inches)	81%	very high
April Weather	0°C (33°F)	66 mm (2.6 inches)	76%	extreme
May Weather	4°C (40°F)	61 mm (2.4 inches)	66%	extreme
June Weather	12°C (53°F)	32 mm (1.3 inches)	58%	extreme
July Weather	16°C (60°F)	46 mm (1.8 inches)	52%	extreme
August Weather	15°C (59°F)	30 mm (1.2 inches)	56%	extreme
September Weather	11°C (52°F)	35 mm (1.4 inches)	65%	very high
October Weather	2°C (36°F)	67 mm (2.6 inches)	76%	high
November Weather	-4°C (24°F)	53 mm (2.1 inches)	82%	moderate
December Weather	-9°C (17°F)	69 mm (2.7 inches)	89%	moderate