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April Weather in Amherst, United States

Last updated: June 24, 2025

In April, the average temperature in Amherst, United States hovers around 8°C (46°F), but don't be surprised by the temperature extremes—minimums can plunge to -5°C (24°F) while highs may reach a warm 29°C (84°F). Rainfall is fairly frequent, with about 115 mm (4.5 in) expected over 14 days, and the humid atmosphere maintains an average humidity of 88%.

April Temperature in Amherst

In April in Amherst, the average temperature is 8°C (46°F), with maximums reaching 29°C (84°F) and minimums dropping to -5°C (24°F). This range of temperatures indicates that travelers should prepare for both warm days and cool nights, making it essential to pack layers for their visit.

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

The chart illustrates April temperature patterns in Amherst, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amherst, April typically has an average temperature of 8°C (46°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec272936465867737165544033
Data source: Temperature data for Amherst 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 Amherst

In Amherst in April, the precipitation amount is 115 mm (4.5 in) over the course of 14 days.

April Precipitation Trends in Amherst

The chart displays monthly precipitation patterns in Amherst, 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 Amherst, April typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec768168115987913080721228489
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Amherst

In Amherst in April, humidity is 88%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much more uncomfortable than the temperature alone would suggest.

April Average Humidity in Amherst

This chart illustrates the average monthly humidity levels in Amherst, 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 Amherst is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Amherst

In Amherst 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 Amherst.

Maximum UV Index Levels in Amherst for April

The chart shows the monthly maximum UV Index (UVI) for Amherst 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 Amherst typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Amherst 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 Amherst Compares to Other Months

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

This table compares monthly weather conditions in Amherst, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)76 mm (3.0 inches)91%low
February Weather-2°C (29°F)80 mm (3.2 inches)91%moderate
March Weather2°C (36°F)68 mm (2.7 inches)88%moderate
April Weather8°C (46°F)115 mm (4.5 inches)88%very high
May Weather14°C (58°F)98 mm (3.9 inches)82%very high
June Weather20°C (68°F)79 mm (3.1 inches)79%very high
July Weather23°C (73°F)130 mm (5.1 inches)77%very high
August Weather22°C (72°F)80 mm (3.2 inches)72%very high
September Weather18°C (65°F)72 mm (2.8 inches)76%high
October Weather12°C (55°F)122 mm (4.8 inches)83%moderate
November Weather5°C (41°F)84 mm (3.3 inches)88%moderate
December Weather0°C (33°F)89 mm (3.5 inches)87%low

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