April Weather in Groton Long Point, United States

Last updated: June 24, 2025

In Groton Long Point, United States, the average temperature in April hovers around 8°C (47°F), with fluctuations that can dip to a brisk 0°C (32°F) and occasionally reach a mild 18°C (65°F). During this period, expect about 136 mm (5.3 in) of precipitation spread across 12 days, contributing to an average humidity level of 79%. Be prepared for a refreshing, though damp, experience!

April Temperature in Groton Long Point

In April in Groton Long Point, the average temperature is 8°C (47°F). Maximums can reach 18°C (65°F) and minimums can be as low as 0°C (32°F). This makes it a great time to explore the outdoors while layering your clothing for comfort.

April Weather in Groton Long Point: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Groton Long Point, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groton Long Point, April typically has an average temperature of 8°C (47°F), with highs reaching up to 18°C (65°F) and lows dropping to around 0°C (32°F).

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

April Precipitation in Groton Long Point

In Groton Long Point in April, the precipitation amount is 136 mm (5.3 in) over the course of 12 days.

April Precipitation Trends in Groton Long Point

The chart displays monthly precipitation patterns in Groton Long Point, 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 Groton Long Point, April typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 12 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 Groton Long Point

In Groton Long Point in April, humidity is 79%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.

April Average Humidity in Groton Long Point

This chart illustrates the average monthly humidity levels in Groton Long Point, 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 Groton Long Point 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 Groton Long Point

In Groton Long Point 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 Groton Long Point.

Maximum UV Index Levels in Groton Long Point for April

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

Data source: Groton Long Point 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 Groton Long Point Compares to Other Months

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

This table compares monthly weather conditions in Groton Long Point, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	83 mm (3.3 inches)	84%	moderate
February Weather	2°C (36°F)	109 mm (4.3 inches)	84%	moderate
March Weather	4°C (39°F)	108 mm (4.3 inches)	82%	high
April Weather	8°C (47°F)	136 mm (5.3 inches)	79%	very high
May Weather	13°C (55°F)	119 mm (4.7 inches)	75%	very high
June Weather	18°C (64°F)	84 mm (3.3 inches)	78%	very high
July Weather	22°C (72°F)	115 mm (4.5 inches)	76%	very high
August Weather	22°C (73°F)	101 mm (4.0 inches)	76%	very high
September Weather	20°C (68°F)	101 mm (4.0 inches)	75%	very high
October Weather	16°C (60°F)	157 mm (6.2 inches)	75%	high
November Weather	9°C (49°F)	113 mm (4.4 inches)	80%	moderate
December Weather	4°C (40°F)	141 mm (5.6 inches)	80%	low