April Weather in Hanover, United States

Last updated: June 24, 2025

In April, the average temperature in Hanover, United States hovers around 15°C (60°F), offering a refreshing climate for visitors. Expect temperature variations, with a minimum of -1°C (30°F) and a maximum soaring up to 33°C (91°F). During this time, precipitation averages about 107 mm (4.2 in), spread over 10 days, and the air carries a humidity level of 81%, enhancing that lush, vibrant feel.

April Temperature in Hanover

In April in Hanover, the average temperature is 15°C (60°F), with maximums reaching 33°C (91°F) and minimums dipping as low as -1°C (30°F). This wide temperature range suggests that travelers should pack a variety of clothing to stay comfortable during their visit.

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

The chart illustrates April temperature patterns in Hanover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanover, April typically has an average temperature of 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (30°F).

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

April Precipitation in Hanover

In Hanover in April, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

April Precipitation Trends in Hanover

The chart displays monthly precipitation patterns in Hanover, 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 Hanover, April typically receives around 107 mm (4.2 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 Hanover

In Hanover in April, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

April Average Humidity in Hanover

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

In Hanover 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 Hanover.

Maximum UV Index Levels in Hanover for April

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

Data source: Hanover 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 Hanover Compares to Other Months

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

This table compares monthly weather conditions in Hanover, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	66 mm (2.6 inches)	84%	moderate
February Weather	7°C (45°F)	97 mm (3.8 inches)	83%	high
March Weather	10°C (50°F)	79 mm (3.1 inches)	82%	high
April Weather	15°C (60°F)	107 mm (4.2 inches)	81%	very high
May Weather	20°C (68°F)	105 mm (4.1 inches)	80%	very high
June Weather	24°C (76°F)	130 mm (5.1 inches)	82%	very high
July Weather	27°C (81°F)	115 mm (4.5 inches)	81%	very high
August Weather	25°C (78°F)	175 mm (6.9 inches)	81%	very high
September Weather	23°C (73°F)	103 mm (4.1 inches)	78%	very high
October Weather	18°C (64°F)	123 mm (4.9 inches)	80%	high
November Weather	10°C (50°F)	74 mm (2.9 inches)	84%	moderate
December Weather	6°C (44°F)	91 mm (3.6 inches)	84%	moderate