April Weather in Westby, United States

Last updated: June 24, 2025

In April, the average temperature in Westby, United States hovers around 7°C (45°F). Expect a range from a chilly -10°C (15°F) to a warm 26°C (80°F). The region experiences an average precipitation of 92 mm (3.6 in) across 11 days, coupled with a high humidity level of 83%.

April Temperature in Westby

In April in Westby, the average temperature is 7°C (45°F). Maximum temperatures can reach up to 26°C (80°F), while minimums can drop as low as -10°C (15°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates April temperature patterns in Westby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westby, April typically has an average temperature of 7°C (45°F), with highs reaching up to 26°C (80°F) and lows dropping to around -10°C (15°F).

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

April Precipitation in Westby

In Westby in April, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

April Precipitation Trends in Westby

The chart displays monthly precipitation patterns in Westby, 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 Westby, April typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 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 Westby

In Westby in April, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.

April Average Humidity in Westby

This chart illustrates the average monthly humidity levels in Westby, 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 Westby is approximately 83%, 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 Westby

In Westby in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Westby.

Maximum UV Index Levels in Westby for April

The chart shows the monthly maximum UV Index (UVI) for Westby 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 Westby typically reaches 8, which falls under the very high exposure category.

Data source: Westby 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 Westby Compares to Other Months

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

This table compares monthly weather conditions in Westby, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	38 mm (1.5 inches)	84%	low
February Weather	-6°C (21°F)	54 mm (2.1 inches)	85%	moderate
March Weather	2°C (35°F)	60 mm (2.3 inches)	84%	moderate
April Weather	7°C (45°F)	92 mm (3.6 inches)	83%	very high
May Weather	15°C (59°F)	139 mm (5.5 inches)	75%	very high
June Weather	21°C (70°F)	124 mm (4.9 inches)	79%	very high
July Weather	23°C (74°F)	112 mm (4.4 inches)	75%	very high
August Weather	21°C (70°F)	112 mm (4.4 inches)	69%	very high
September Weather	18°C (64°F)	111 mm (4.4 inches)	74%	very high
October Weather	10°C (50°F)	119 mm (4.7 inches)	79%	moderate
November Weather	1°C (35°F)	53 mm (2.1 inches)	88%	moderate
December Weather	-3°C (27°F)	44 mm (1.7 inches)	82%	low