April Weather in Annandale, United States

Last updated: June 24, 2025

In April, the average temperature in Annandale, United States hovers around 6°C (42°F), with a notable variation where the minimum can plunge to -16°C (3°F), while the maximum can reach as high as 28°C (83°F). Be prepared for some wet days, with precipitation averaging 83 mm (3.3 in) spread over 9 days. The month typically experiences an average humidity of 84%, adding to the chilly ambiance.

April Temperature in Annandale

In April in Annandale, the average temperature is 6°C (42°F). Maximum temperatures can reach up to 28°C (83°F), while minimums can drop as low as -16°C (3°F). Travelers should be prepared for a wide range of temperatures when visiting during this time.

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

The chart illustrates April temperature patterns in Annandale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Annandale, April typically has an average temperature of 6°C (42°F), with highs reaching up to 28°C (83°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec151632425871747063473222
Data source: Temperature data for Annandale 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 Annandale

In Annandale in April, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.

April Precipitation Trends in Annandale

The chart displays monthly precipitation patterns in Annandale, 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 Annandale, April typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2127538310574931491131033144
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Annandale

In Annandale in April humidity is 84%. With an average temperature of 6°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel less enjoyable as you find yourself bundled up yet still damp, longing for warmth and comfort.

April Average Humidity in Annandale

This chart illustrates the average monthly humidity levels in Annandale, 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 Annandale is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Annandale

In Annandale 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 Annandale.

Maximum UV Index Levels in Annandale for April

The chart shows the monthly maximum UV Index (UVI) for Annandale 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 Annandale typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Annandale 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 Annandale Compares to Other Months

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

This table compares monthly weather conditions in Annandale, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)21 mm (0.8 inches)87%low
February Weather-9°C (16°F)27 mm (1.0 inches)90%moderate
March Weather0°C (32°F)53 mm (2.1 inches)85%moderate
April Weather6°C (42°F)83 mm (3.3 inches)84%high
May Weather15°C (59°F)105 mm (4.1 inches)78%very high
June Weather22°C (71°F)74 mm (2.9 inches)80%very high
July Weather23°C (74°F)93 mm (3.7 inches)81%very high
August Weather21°C (70°F)149 mm (5.9 inches)81%very high
September Weather17°C (63°F)113 mm (4.5 inches)81%high
October Weather9°C (48°F)103 mm (4.0 inches)84%moderate
November Weather0°C (32°F)31 mm (1.2 inches)88%moderate
December Weather-6°C (22°F)44 mm (1.7 inches)84%low

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