April Weather in Wilton, United States

Last updated: June 24, 2025

In Wilton, United States, the average temperature in April hovers around 10°C (50°F). Expect a wide range, with minimums dipping to -10°C (15°F) and maximums reaching 29°C (84°F). The month sees an average precipitation of 91 mm (3.6 in) spread over about 10 days, contributing to an average humidity of 82%.

April Temperature in Wilton

In April in Wilton, the average temperature is 10°C (50°F). Maximums can reach 29°C (84°F), while minimums can drop as low as -10°C (15°F). This range of temperatures suggests that travelers should be prepared for both warm and chilly conditions during their visit.

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

The chart illustrates April temperature patterns in Wilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilton, April typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (84°F) and lows dropping to around -10°C (15°F).

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

April Precipitation in Wilton

In Wilton in April, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

April Precipitation Trends in Wilton

The chart displays monthly precipitation patterns in Wilton, 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 Wilton, April typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 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 Wilton

In Wilton in April, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

April Average Humidity in Wilton

This chart illustrates the average monthly humidity levels in Wilton, 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 Wilton is approximately 82%, 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 Wilton

In Wilton 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 Wilton.

Maximum UV Index Levels in Wilton for April

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

Data source: Wilton 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 Wilton Compares to Other Months

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

This table compares monthly weather conditions in Wilton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	52 mm (2.0 inches)	81%	moderate
February Weather	-3°C (26°F)	59 mm (2.3 inches)	81%	moderate
March Weather	4°C (40°F)	88 mm (3.4 inches)	81%	high
April Weather	10°C (50°F)	91 mm (3.6 inches)	82%	very high
May Weather	17°C (63°F)	144 mm (5.7 inches)	78%	very high
June Weather	23°C (74°F)	132 mm (5.2 inches)	81%	extreme
July Weather	25°C (77°F)	72 mm (2.8 inches)	79%	very high
August Weather	23°C (74°F)	73 mm (2.9 inches)	77%	very high
September Weather	20°C (69°F)	112 mm (4.4 inches)	78%	very high
October Weather	12°C (54°F)	122 mm (4.8 inches)	78%	high
November Weather	4°C (39°F)	50 mm (2.0 inches)	87%	moderate
December Weather	0°C (32°F)	47 mm (1.8 inches)	84%	moderate