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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 8°C (47°F). However, prepare for a wide temperature range, with minimums dipping as low as -8°C (19°F) and highs reaching up to 27°C (82°F). Rain is not uncommon, with 99 mm (3.9 in) of precipitation over approximately 14 days, contributing to an average humidity level of 87%.

April Temperature in Westwood

In April in Westwood, the average temperature is 8°C (47°F), with maximums reaching 27°C (82°F) and minimums dropping as low as -8°C (19°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

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 8°C (47°F), with highs reaching up to 27°C (82°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec272837476070747266543933
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 99 mm (3.9 in) over the course of 14 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 99 mm (3.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7475869915813111183881417266
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 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
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 Weather-3°C (27°F)74 mm (2.9 inches)87%moderate
February Weather-2°C (28°F)75 mm (3.0 inches)87%moderate
March Weather3°C (38°F)86 mm (3.4 inches)86%high
April Weather8°C (47°F)99 mm (3.9 inches)87%very high
May Weather15°C (60°F)158 mm (6.2 inches)82%very high
June Weather21°C (71°F)131 mm (5.1 inches)81%very high
July Weather24°C (75°F)111 mm (4.4 inches)78%very high
August Weather22°C (72°F)83 mm (3.3 inches)79%very high
September Weather19°C (66°F)88 mm (3.5 inches)79%high
October Weather12°C (54°F)141 mm (5.6 inches)82%moderate
November Weather4°C (39°F)72 mm (2.8 inches)87%moderate
December Weather1°C (33°F)65 mm (2.6 inches)86%low

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