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April Weather in Westwood, United States

Last updated: June 24, 2025

In April, the average temperature in Westwood, United States hovers around 6°C (43°F). Expect a range from a chilly -14°C (7°F) to a surprisingly warm 25°C (77°F). Rainfall can be expected with an average precipitation of 73 mm (2.9 in) spread over 8 days. The average humidity sits at a comfortable 83%, making this month a mix of crisp air and occasional showers.

April Temperature in Westwood

In April in Westwood, the average temperature is 6°C (43°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -14°C (7°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates April temperature patterns in Westwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westwood, 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 -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec313235435363727061493930
Data source: Temperature data for Westwood 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 Westwood

In Westwood in April, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

April Precipitation Trends in Westwood

The chart displays monthly precipitation patterns in Westwood, 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 Westwood, April typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec16217614373581668194279131
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Westwood

In Westwood in April, humidity is 83%. With an average temperature of 6°C (43°F), this humidity feels like a brisk chill that can make you feel colder than the actual temperature, often leading to a damp and uncomfortable experience for traveling.

April Average Humidity in Westwood

This chart illustrates the average monthly humidity levels in Westwood, 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 Westwood is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Westwood

In Westwood in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Westwood.

Maximum UV Index Levels in Westwood for April

The chart shows the monthly maximum UV Index (UVI) for Westwood 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 Westwood typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45810121211119753
Data source: Westwood 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 Westwood Compares to Other Months

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

This table compares monthly weather conditions in Westwood, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)162 mm (6.4 inches)86%moderate
February Weather0°C (32°F)176 mm (6.9 inches)87%moderate
March Weather2°C (35°F)143 mm (5.6 inches)86%very high
April Weather6°C (43°F)73 mm (2.9 inches)83%very high
May Weather11°C (53°F)58 mm (2.3 inches)72%extreme
June Weather17°C (64°F)16 mm (0.6 inches)67%extreme
July Weather22°C (72°F)6 mm (0.2 inches)56%extreme
August Weather21°C (70°F)8 mm (0.3 inches)42%extreme
September Weather16°C (62°F)19 mm (0.7 inches)46%very high
October Weather9°C (49°F)42 mm (1.6 inches)67%high
November Weather4°C (39°F)79 mm (3.1 inches)86%moderate
December Weather-1°C (30°F)131 mm (5.2 inches)86%moderate

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