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April Weather in Martinsville, United States

Last updated: June 24, 2025

The average temperature in Martinsville, United States during April is a mild 15°C (60°F). However, temperatures can swing from a chilly -2°C (29°F) to a warm 30°C (86°F). Expect 130 mm (5.1 in) of precipitation spread over about 11 days, contributing to a notably high average humidity of 82%.

April Temperature in Martinsville

In April in Martinsville, the average temperature is 15°C (60°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -2°C (29°F). Be sure to pack layers to comfortably adjust to the varying temperatures while exploring!

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

The chart illustrates April temperature patterns in Martinsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Martinsville, April typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550596875807772634844
Data source: Temperature data for Martinsville 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 Martinsville

In Martinsville in April, the total precipitation amount is 130 mm (5.1 in) occurring over 11 days.

April Precipitation Trends in Martinsville

The chart displays monthly precipitation patterns in Martinsville, 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 Martinsville, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec731096913012582649211411478102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Martinsville

In Martinsville in April humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

April Average Humidity in Martinsville

This chart illustrates the average monthly humidity levels in Martinsville, 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 Martinsville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Martinsville

In Martinsville 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 Martinsville.

Maximum UV Index Levels in Martinsville for April

The chart shows the monthly maximum UV Index (UVI) for Martinsville 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 Martinsville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3689101110109853
Data source: Martinsville 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 Martinsville Compares to Other Months

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

This table compares monthly weather conditions in Martinsville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)73 mm (2.9 inches)84%moderate
February Weather7°C (45°F)109 mm (4.3 inches)84%high
March Weather10°C (50°F)69 mm (2.7 inches)84%very high
April Weather15°C (60°F)130 mm (5.1 inches)82%very high
May Weather20°C (68°F)125 mm (4.9 inches)82%very high
June Weather24°C (75°F)82 mm (3.2 inches)83%extreme
July Weather26°C (80°F)64 mm (2.5 inches)79%very high
August Weather25°C (78°F)92 mm (3.6 inches)77%very high
September Weather22°C (73°F)114 mm (4.5 inches)75%very high
October Weather17°C (63°F)114 mm (4.5 inches)81%very high
November Weather9°C (49°F)78 mm (3.1 inches)87%moderate
December Weather7°C (44°F)102 mm (4.0 inches)85%moderate

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