April Weather in Suffolk, United States

Last updated: June 24, 2025

In April, the average temperature in Suffolk, United States hovers around 16°C (61°F). Visitors can expect a wide temperature range, with a minimum of -1°C (31°F) and a maximum of 32°C (89°F). Precipitation is notable, with 101 mm (4.0 in) falling over 11 days, and an average humidity of 81%, creating a uniquely refreshing atmosphere.

April Temperature in Suffolk

In April in Suffolk, the average temperature is 16°C (61°F). Maximums can reach 32°C (89°F) and minimums can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling to Suffolk during this time.

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

The chart illustrates April temperature patterns in Suffolk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suffolk, April typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (89°F) and lows dropping to around -1°C (31°F).

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

April Precipitation in Suffolk

In Suffolk in April, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

April Precipitation Trends in Suffolk

The chart displays monthly precipitation patterns in Suffolk, 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 Suffolk, April typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Suffolk

In Suffolk in April, humidity is 81%. With an average temperature of 16°C (61°F), this humidity feels like a warm, heavy blanket wrapping around you as you explore the sights, making it essential to stay hydrated and take regular breaks in the shade.

April Average Humidity in Suffolk

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

In Suffolk 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 Suffolk.

Maximum UV Index Levels in Suffolk for April

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

Data source: Suffolk 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 Suffolk Compares to Other Months

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

This table compares monthly weather conditions in Suffolk, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (42°F)	91 mm (3.6 inches)	84%	moderate
February Weather	8°C (47°F)	102 mm (4.0 inches)	83%	high
March Weather	11°C (51°F)	84 mm (3.3 inches)	82%	very high
April Weather	16°C (61°F)	101 mm (4.0 inches)	81%	very high
May Weather	20°C (69°F)	120 mm (4.7 inches)	80%	very high
June Weather	24°C (76°F)	118 mm (4.6 inches)	82%	very high
July Weather	27°C (81°F)	140 mm (5.5 inches)	81%	extreme
August Weather	26°C (79°F)	168 mm (6.6 inches)	81%	very high
September Weather	23°C (75°F)	130 mm (5.1 inches)	78%	very high
October Weather	19°C (66°F)	84 mm (3.3 inches)	80%	very high
November Weather	11°C (52°F)	76 mm (3.0 inches)	84%	moderate
December Weather	8°C (47°F)	89 mm (3.5 inches)	84%	moderate