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April Weather in Mount Washington, United States

Last updated: June 24, 2025

In April, the average temperature in Mount Washington, United States hovers around 13°C (56°F). Expect a wide range, with minimums dipping to -3°C (27°F) and maximums soaring to 30°C (85°F). Throughout the month, 142 mm (5.6 in) of precipitation is recorded over approximately 12 days, and the air carries a notable average humidity of 82%.

April Temperature in Mount Washington

In April in Mount Washington, the average temperature is 13°C (56°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as -3°C (27°F). This varied climate makes Mount Washington an interesting destination for travelers looking to experience different weather conditions.

April Weather in Mount Washington: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Mount Washington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Washington, April typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (85°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec364048566874787672614541
Data source: Temperature data for Mount Washington 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 Mount Washington

In Mount Washington in April, the total precipitation amount is 142 mm (5.6 in), occurring over the course of 12 days.

April Precipitation Trends in Mount Washington

The chart displays monthly precipitation patterns in Mount Washington, 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 Mount Washington, April typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec931421371421211611019611910288115
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mount Washington

In Mount Washington in April, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

April Average Humidity in Mount Washington

This chart illustrates the average monthly humidity levels in Mount Washington, 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 Mount Washington is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mount Washington

In Mount Washington 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 Mount Washington.

Maximum UV Index Levels in Mount Washington for April

The chart shows the monthly maximum UV Index (UVI) for Mount Washington 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 Mount Washington typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Mount Washington 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 Mount Washington Compares to Other Months

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

This table compares monthly weather conditions in Mount Washington, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)93 mm (3.7 inches)87%moderate
February Weather5°C (41°F)142 mm (5.6 inches)86%moderate
March Weather9°C (48°F)137 mm (5.4 inches)86%high
April Weather13°C (56°F)142 mm (5.6 inches)82%very high
May Weather20°C (68°F)121 mm (4.7 inches)82%very high
June Weather24°C (75°F)161 mm (6.3 inches)83%extreme
July Weather26°C (79°F)101 mm (4.0 inches)80%very high
August Weather25°C (77°F)95 mm (3.8 inches)74%very high
September Weather22°C (72°F)119 mm (4.7 inches)71%very high
October Weather16°C (61°F)102 mm (4.0 inches)78%high
November Weather7°C (46°F)88 mm (3.5 inches)88%moderate
December Weather5°C (42°F)115 mm (4.5 inches)88%moderate

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