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April Weather in Plattsburgh, United States

Last updated: June 24, 2025

In Plattsburgh, United States, the average temperature in April hovers around 6°C (43°F). Expect a range from a chilly -7°C (19°F) to a surprisingly warm 25°C (77°F). Throughout the month, 107 mm (4.2 in) of precipitation typically falls across 13 days, while the air maintains a high average humidity of 85%.

April Temperature in Plattsburgh

In April in Plattsburgh, the average temperature is 6°C (43°F). The maximum can reach 25°C (77°F), while the minimum can dip as low as -7°C (19°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates April temperature patterns in Plattsburgh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plattsburgh, April typically has an average temperature of 6°C (43°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec212330435665727062513727
Data source: Temperature data for Plattsburgh 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 Plattsburgh

In Plattsburgh in April, the total precipitation amount is 107 mm (4.2 in) distributed over a span of 13 days.

April Precipitation Trends in Plattsburgh

The chart displays monthly precipitation patterns in Plattsburgh, 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 Plattsburgh, April typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec747473107841061181097313910373
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Plattsburgh

In Plattsburgh in April, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.

April Average Humidity in Plattsburgh

This chart illustrates the average monthly humidity levels in Plattsburgh, 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 Plattsburgh is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Plattsburgh

In Plattsburgh in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Plattsburgh.

Maximum UV Index Levels in Plattsburgh for April

The chart shows the monthly maximum UV Index (UVI) for Plattsburgh 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 Plattsburgh typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799997532
Data source: Plattsburgh 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 Plattsburgh Compares to Other Months

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

This table compares monthly weather conditions in Plattsburgh, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)74 mm (2.9 inches)93%low
February Weather-5°C (23°F)74 mm (2.9 inches)92%moderate
March Weather-1°C (30°F)73 mm (2.9 inches)86%moderate
April Weather6°C (43°F)107 mm (4.2 inches)85%high
May Weather13°C (57°F)84 mm (3.3 inches)80%very high
June Weather19°C (66°F)106 mm (4.2 inches)74%very high
July Weather22°C (72°F)118 mm (4.6 inches)76%very high
August Weather21°C (70°F)109 mm (4.3 inches)75%very high
September Weather17°C (62°F)73 mm (2.9 inches)78%high
October Weather10°C (51°F)139 mm (5.5 inches)86%moderate
November Weather3°C (37°F)103 mm (4.0 inches)88%moderate
December Weather-3°C (28°F)73 mm (2.9 inches)89%low

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