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April Weather in Saybrook, United States

Last updated: June 24, 2025

In Saybrook, United States, the average temperature in April hovers around 11°C (51°F), with temperatures ranging from a brisk -8°C (18°F) to a warm 29°C (84°F). Expect about 116 mm (4.6 in) of precipitation spread over 12 days, contributing to an average humidity of 85%. Prepare for a mix of chilly mornings and potential rainfall, perfect for cozy indoor activities!

April Temperature in Saybrook

In April in Saybrook, the average temperature is 11°C (51°F). The maximum can reach 29°C (84°F), and the minimum can be as low as -8°C (18°F). This unpredictable climate invites travelers to pack layers for a versatile experience during their visit.

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

The chart illustrates April temperature patterns in Saybrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saybrook, April typically has an average temperature of 11°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec273042516474777470564135
Data source: Temperature data for Saybrook 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 Saybrook

In Saybrook in April, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.

April Precipitation Trends in Saybrook

The chart displays monthly precipitation patterns in Saybrook, 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 Saybrook, April typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec67711131161511108799671236554
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saybrook

In Saybrook in April humidity is 85%. With an average temperature of 11°C (51°F), this humidity feels like a chilly embrace that seeps into your bones, making outdoor activities a bit uncomfortable and encouraging a more relaxed, slow-paced exploration of the area.

April Average Humidity in Saybrook

This chart illustrates the average monthly humidity levels in Saybrook, 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 Saybrook is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saybrook

In Saybrook 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 Saybrook.

Maximum UV Index Levels in Saybrook for April

The chart shows the monthly maximum UV Index (UVI) for Saybrook 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 Saybrook typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Saybrook 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 Saybrook Compares to Other Months

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

This table compares monthly weather conditions in Saybrook, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)67 mm (2.6 inches)82%moderate
February Weather-1°C (30°F)71 mm (2.8 inches)83%moderate
March Weather5°C (42°F)112 mm (4.4 inches)84%high
April Weather11°C (51°F)116 mm (4.6 inches)85%very high
May Weather18°C (64°F)151 mm (5.9 inches)79%very high
June Weather23°C (74°F)110 mm (4.3 inches)82%extreme
July Weather25°C (77°F)87 mm (3.4 inches)80%very high
August Weather23°C (74°F)99 mm (3.9 inches)81%very high
September Weather21°C (70°F)67 mm (2.7 inches)80%very high
October Weather14°C (57°F)123 mm (4.8 inches)82%high
November Weather5°C (41°F)65 mm (2.6 inches)88%moderate
December Weather1°C (35°F)54 mm (2.1 inches)84%low

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