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April Weather in Martinsburg, United States

Last updated: June 24, 2025

In Martinsburg, United States, the average temperature in April hovers around 10°C (51°F). Temperatures can vary significantly, with a minimum of -5°C (24°F) and a maximum reaching 29°C (84°F). During this month, expect 104 mm (4.1 in) of precipitation spread over 14 days, and an average humidity level of 88%.

April Temperature in Martinsburg

In April in Martinsburg, the average temperature is 10°C (51°F). The maximum can reach 29°C (84°F), and the minimum can be as low as -5°C (24°F). Be prepared for a range of temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Martinsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Martinsburg, April typically has an average temperature of 10°C (51°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec303440506169757367564135
Data source: Temperature data for Martinsburg 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 Martinsburg

In Martinsburg in April, the precipitation amount is 104 mm (4.1 in) distributed over a span of 14 days.

April Precipitation Trends in Martinsburg

The chart displays monthly precipitation patterns in Martinsburg, 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 Martinsburg, April typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6210290104122113111981281107390
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Martinsburg

In Martinsburg in April, humidity is 88%. With an average temperature of 10°C (51°F), this humidity feels like a thick blanket of moisture enveloping you, making every step feel heavier and leaving you yearning for a refreshing breeze as you navigate the streets.

April Average Humidity in Martinsburg

This chart illustrates the average monthly humidity levels in Martinsburg, 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 Martinsburg is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Martinsburg

In Martinsburg 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 Martinsburg.

Maximum UV Index Levels in Martinsburg for April

The chart shows the monthly maximum UV Index (UVI) for Martinsburg 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 Martinsburg typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Martinsburg 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 Martinsburg Compares to Other Months

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

This table compares monthly weather conditions in Martinsburg, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)62 mm (2.4 inches)89%moderate
February Weather1°C (34°F)102 mm (4.0 inches)90%moderate
March Weather4°C (40°F)90 mm (3.5 inches)89%high
April Weather10°C (51°F)104 mm (4.1 inches)88%very high
May Weather16°C (61°F)122 mm (4.8 inches)80%very high
June Weather21°C (69°F)113 mm (4.4 inches)79%very high
July Weather24°C (75°F)111 mm (4.4 inches)74%very high
August Weather23°C (73°F)98 mm (3.8 inches)64%very high
September Weather19°C (67°F)128 mm (5.0 inches)67%very high
October Weather13°C (56°F)110 mm (4.3 inches)81%high
November Weather5°C (41°F)73 mm (2.9 inches)89%moderate
December Weather2°C (35°F)90 mm (3.5 inches)88%moderate

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