nomadseason

April Weather in Clarkson, United States

Last updated: June 24, 2025

In April, the average temperature in Clarkson, United States hovers around 9°C (49°F). Expect a minimum dip as low as -11°C (13°F), soaring to a maximum of 31°C (87°F). With an average precipitation of 59 mm (2.3 in) spread across 10 days, make sure to prepare for a mix of weather. The air tends to be fairly humid, with an average humidity of 74%.

April Temperature in Clarkson

In April in Clarkson, the average temperature is 9°C (49°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of weather conditions when traveling to Clarkson during this month.

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

The chart illustrates April temperature patterns in Clarkson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clarkson, April typically has an average temperature of 9°C (49°F), with highs reaching up to 31°C (87°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec242439486175777368513930
Data source: Temperature data for Clarkson generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Clarkson

In Clarkson in April, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.

April Precipitation Trends in Clarkson

The chart displays monthly precipitation patterns in Clarkson, 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 Clarkson, April typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec282587591471066710170872743
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Clarkson

In Clarkson in April humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.

April Average Humidity in Clarkson

This chart illustrates the average monthly humidity levels in Clarkson, 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 Clarkson is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Clarkson

In Clarkson 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 Clarkson.

Maximum UV Index Levels in Clarkson for April

The chart shows the monthly maximum UV Index (UVI) for Clarkson 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 Clarkson typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Clarkson 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 Clarkson Compares to Other Months

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

This table compares monthly weather conditions in Clarkson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)28 mm (1.1 inches)76%moderate
February Weather-4°C (24°F)25 mm (1.0 inches)80%moderate
March Weather4°C (39°F)87 mm (3.4 inches)73%high
April Weather9°C (49°F)59 mm (2.3 inches)74%very high
May Weather16°C (61°F)147 mm (5.8 inches)78%very high
June Weather24°C (75°F)106 mm (4.2 inches)82%very high
July Weather25°C (77°F)67 mm (2.6 inches)83%very high
August Weather23°C (74°F)101 mm (4.0 inches)80%very high
September Weather20°C (68°F)70 mm (2.7 inches)75%very high
October Weather11°C (51°F)87 mm (3.4 inches)75%high
November Weather4°C (39°F)27 mm (1.1 inches)82%moderate
December Weather-1°C (30°F)43 mm (1.7 inches)83%low

Compare Clarkson's Climate with Cities Worldwide