nomadseason

April Weather in Mercer, United States

Last updated: June 24, 2025

In April, the average temperature in Mercer, United States hovers around 3°C (37°F). Be prepared for a range, as temperatures can drop to a chilly -16°C (3°F) or rise to a warm 27°C (81°F). This month experiences a precipitation amount of 92 mm (3.6 in) over 13 days, and with an average humidity of 85%, expect a rather damp atmosphere.

April Temperature in Mercer

In April in Mercer, the average temperature is 3°C (37°F). Maximum temperatures can reach 27°C (81°F), while minimums can drop as low as -16°C (3°F). It’s advisable for travelers to prepare for a wide range of temperatures during this time.

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

The chart illustrates April temperature patterns in Mercer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercer, April typically has an average temperature of 3°C (37°F), with highs reaching up to 27°C (81°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec141427375465696558442920
Data source: Temperature data for Mercer generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Mercer

In Mercer in April, the precipitation amount is 92 mm (3.6 in) spread over 13 days.

April Precipitation Trends in Mercer

The chart displays monthly precipitation patterns in Mercer, 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 Mercer, April typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec36515392100121110126981185871
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Mercer

In Mercer in April, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.

April Average Humidity in Mercer

This chart illustrates the average monthly humidity levels in Mercer, 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 Mercer is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mercer

In Mercer 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 Mercer.

Maximum UV Index Levels in Mercer for April

The chart shows the monthly maximum UV Index (UVI) for Mercer 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 Mercer typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Mercer 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 Mercer Compares to Other Months

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

This table compares monthly weather conditions in Mercer, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)36 mm (1.4 inches)93%low
February Weather-10°C (14°F)51 mm (2.0 inches)93%moderate
March Weather-3°C (27°F)53 mm (2.1 inches)89%moderate
April Weather3°C (37°F)92 mm (3.6 inches)85%high
May Weather12°C (54°F)100 mm (3.9 inches)76%very high
June Weather18°C (65°F)121 mm (4.8 inches)71%very high
July Weather20°C (69°F)110 mm (4.3 inches)70%very high
August Weather18°C (65°F)126 mm (5.0 inches)71%very high
September Weather14°C (58°F)98 mm (3.9 inches)73%high
October Weather7°C (44°F)118 mm (4.7 inches)81%moderate
November Weather-2°C (29°F)58 mm (2.3 inches)87%moderate
December Weather-7°C (20°F)70 mm (2.8 inches)91%low

Compare Mercer's Climate with Cities Worldwide