April Weather in Westminster, United States

Last updated: June 24, 2025

In Westminster, United States, the average temperature in April hovers around 12°C (55°F), with extremes ranging from a brisk -2°C (28°F) to a warm 30°C (86°F). Expect about 95 mm (3.7 in) of precipitation over approximately 11 days, contributing to the region’s high average humidity of 81%. Whether you’re bracing for the chill or basking in the sun, April in Westminster offers a varied climate experience.

April Temperature in Westminster

In April in Westminster, the average temperature is 12°C (55°F), with maximums reaching up to 30°C (86°F) and minimums dipping as low as -2°C (28°F). This variability in temperatures makes it essential for travelers to pack layers for comfort during their visit.

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

The chart illustrates April temperature patterns in Westminster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westminster, April typically has an average temperature of 12°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°F).

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

April Precipitation in Westminster

In Westminster in April, the total precipitation amount is 95 mm (3.7 in) spread over 11 days.

April Precipitation Trends in Westminster

The chart displays monthly precipitation patterns in Westminster, 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 Westminster, April typically receives around 95 mm (3.7 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 Westminster

In Westminster in April humidity is 81%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel heavier and encouraging frequent breaks to hydrate and cool off while traveling.

April Average Humidity in Westminster

This chart illustrates the average monthly humidity levels in Westminster, 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 Westminster 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 Westminster

In Westminster in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Westminster.

Maximum UV Index Levels in Westminster for April

The chart shows the monthly maximum UV Index (UVI) for Westminster 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 Westminster typically reaches 9, which falls under the very high exposure category.

Data source: Westminster 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 Westminster Compares to Other Months

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

This table compares monthly weather conditions in Westminster, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	62 mm (2.4 inches)	84%	moderate
February Weather	4°C (39°F)	95 mm (3.8 inches)	83%	moderate
March Weather	7°C (44°F)	93 mm (3.6 inches)	83%	high
April Weather	12°C (55°F)	95 mm (3.7 inches)	81%	very high
May Weather	18°C (64°F)	144 mm (5.7 inches)	78%	very high
June Weather	23°C (73°F)	125 mm (4.9 inches)	79%	very high
July Weather	26°C (78°F)	152 mm (6.0 inches)	74%	very high
August Weather	24°C (76°F)	156 mm (6.1 inches)	72%	very high
September Weather	21°C (70°F)	116 mm (4.5 inches)	75%	very high
October Weather	15°C (60°F)	103 mm (4.1 inches)	81%	high
November Weather	7°C (45°F)	90 mm (3.6 inches)	85%	moderate
December Weather	4°C (39°F)	96 mm (3.8 inches)	84%	moderate