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April Weather in Trumbull, United States

Last updated: June 24, 2025

In April, the average temperature in Trumbull, United States hovers around 9°C (49°F), with temperatures ranging from a chilly -2°C (29°F) to a warm 25°C (78°F). Expect about 135 mm (5.3 in) of precipitation over roughly 12 days, contributing to a mildly high average humidity of 78%.

April Temperature in Trumbull

In April in Trumbull, the average temperature is 9°C (49°F). The maximum can reach 25°C (78°F), while the minimum can drop as low as -2°C (29°F). This variety in temperatures makes it essential to pack layers for your trip to Trumbull during this time.

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

The chart illustrates April temperature patterns in Trumbull, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trumbull, April typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec323539495969757468594537
Data source: Temperature data for Trumbull 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 Trumbull

In Trumbull in April, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.

April Precipitation Trends in Trumbull

The chart displays monthly precipitation patterns in Trumbull, 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 Trumbull, April typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec771149913511995132102105152101135
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Trumbull

In Trumbull in April, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

April Average Humidity in Trumbull

This chart illustrates the average monthly humidity levels in Trumbull, 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 Trumbull is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Trumbull

In Trumbull 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 Trumbull.

Maximum UV Index Levels in Trumbull for April

The chart shows the monthly maximum UV Index (UVI) for Trumbull 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 Trumbull typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Trumbull 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 Trumbull Compares to Other Months

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

This table compares monthly weather conditions in Trumbull, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)77 mm (3.0 inches)84%moderate
February Weather1°C (35°F)114 mm (4.5 inches)82%moderate
March Weather4°C (40°F)99 mm (3.9 inches)81%high
April Weather9°C (49°F)135 mm (5.3 inches)78%very high
May Weather15°C (59°F)119 mm (4.7 inches)69%very high
June Weather20°C (69°F)95 mm (3.7 inches)69%very high
July Weather24°C (76°F)132 mm (5.2 inches)62%very high
August Weather23°C (74°F)102 mm (4.0 inches)65%very high
September Weather20°C (68°F)105 mm (4.1 inches)68%very high
October Weather15°C (59°F)152 mm (6.0 inches)74%high
November Weather7°C (46°F)100 mm (4.0 inches)82%moderate
December Weather3°C (37°F)135 mm (5.3 inches)80%low

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