April Weather in Danbury, United States

Last updated: June 24, 2025

In April, the average temperature in Danbury, United States hovers around 21°C (71°F). Expect a range where the minimum dips to 6°C (43°F) and the maximum can soar to 33°C (91°F). Be prepared for 83 mm (3.3 in) of precipitation over 10 days, paired with an average humidity of 79%.

April Temperature in Danbury

In April in Danbury, the average temperature is 21°C (71°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 6°C (43°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in Danbury.

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

The chart illustrates April temperature patterns in Danbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Danbury, April typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 6°C (43°F).

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

April Precipitation in Danbury

In Danbury in April, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

April Precipitation Trends in Danbury

The chart displays monthly precipitation patterns in Danbury, 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 Danbury, April typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Danbury

In Danbury in April humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

April Average Humidity in Danbury

This chart illustrates the average monthly humidity levels in Danbury, 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 Danbury is approximately 79%, 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 Danbury

In Danbury in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Danbury.

Maximum UV Index Levels in Danbury for April

The chart shows the monthly maximum UV Index (UVI) for Danbury 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 Danbury typically reaches 11, which falls under the extreme exposure category.

Data source: Danbury 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 Danbury Compares to Other Months

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

This table compares monthly weather conditions in Danbury, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	76 mm (3.0 inches)	78%	moderate
February Weather	15°C (59°F)	73 mm (2.9 inches)	81%	very high
March Weather	19°C (66°F)	64 mm (2.5 inches)	76%	very high
April Weather	21°C (71°F)	83 mm (3.3 inches)	79%	extreme
May Weather	25°C (78°F)	165 mm (6.5 inches)	79%	extreme
June Weather	28°C (82°F)	158 mm (6.2 inches)	74%	extreme
July Weather	28°C (84°F)	151 mm (5.9 inches)	71%	extreme
August Weather	29°C (84°F)	183 mm (7.2 inches)	68%	extreme
September Weather	27°C (81°F)	204 mm (8.0 inches)	73%	extreme
October Weather	23°C (74°F)	105 mm (4.1 inches)	75%	very high
November Weather	18°C (64°F)	74 mm (2.9 inches)	78%	high
December Weather	15°C (60°F)	95 mm (3.8 inches)	84%	moderate