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April Weather in Wilton, United States

Last updated: June 24, 2025

In Wilton, United States, the average temperature in April hovers around 18°C (64°F), with extremes ranging from a chilly 1°C (35°F) to a warm 32°C (90°F). Expect a total precipitation of approximately 144 mm (5.7 in) across 8 days, contributing to an average humidity of 82%. Prepare accordingly for a month that blends comfortable warmth with refreshing rains!

April Temperature in Wilton

In April in Wilton, the average temperature is 18°C (64°F). Maximums can reach 32°C (90°F), and minimums can drop as low as 1°C (35°F). This makes it an ideal time for travelers to enjoy a mix of warm and cool weather, perfect for various outdoor activities.

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 18°C (64°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec485459647378818077685451
Data source: Temperature data for Wilton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Wilton

In Wilton in April, the total precipitation amount is 144 mm (5.7 in) over the course of 8 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 144 mm (5.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071571331441091551111278112986140
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Wilton

In Wilton in April humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

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.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
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.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)107 mm (4.2 inches)85%moderate
February Weather12°C (54°F)157 mm (6.2 inches)84%high
March Weather15°C (60°F)133 mm (5.2 inches)82%very high
April Weather18°C (64°F)144 mm (5.7 inches)82%very high
May Weather23°C (73°F)109 mm (4.3 inches)81%extreme
June Weather26°C (78°F)155 mm (6.1 inches)77%extreme
July Weather27°C (81°F)111 mm (4.4 inches)77%extreme
August Weather27°C (81°F)127 mm (5.0 inches)72%extreme
September Weather25°C (78°F)81 mm (3.2 inches)73%very high
October Weather20°C (69°F)129 mm (5.1 inches)73%very high
November Weather12°C (54°F)85 mm (3.4 inches)85%high
December Weather10°C (51°F)140 mm (5.5 inches)88%moderate

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