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April Weather in Saint Peter, United States

Last updated: June 24, 2025

In April, the average temperature in Saint Peter, United States hovers around 7°C (44°F), with a minimum dropping to -11°C (13°F) and reaching a pleasant maximum of 25°C (78°F). Visitors should prepare for a moderate climate, as precipitation averages 103 mm (4.1 in) spread over about 12 days. The air tends to be quite humid, with an average humidity level of 85%, so come ready for a mix of cool and damp days!

April Temperature in Saint Peter

In April in Saint Peter, the average temperature is 7°C (44°F). Maximums can reach 25°C (78°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures to make the most of your travel experience!

April Weather in Saint Peter: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Saint Peter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Peter, April typically has an average temperature of 7°C (44°F), with highs reaching up to 25°C (78°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec212234445768737064513628
Data source: Temperature data for Saint Peter 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 Saint Peter

In Saint Peter in April, the total precipitation amount is 103 mm (4.1 in), occurring over the course of 12 days.

April Precipitation Trends in Saint Peter

The chart displays monthly precipitation patterns in Saint Peter, 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 Saint Peter, April typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec47475810311810410893831064446
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saint Peter

In Saint Peter in April, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

April Average Humidity in Saint Peter

This chart illustrates the average monthly humidity levels in Saint Peter, 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 Saint Peter is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint Peter

In Saint Peter 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 Saint Peter.

Maximum UV Index Levels in Saint Peter for April

The chart shows the monthly maximum UV Index (UVI) for Saint Peter 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 Saint Peter typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Saint Peter 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 Saint Peter Compares to Other Months

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

This table compares monthly weather conditions in Saint Peter, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)47 mm (1.9 inches)85%low
February Weather-6°C (22°F)47 mm (1.9 inches)85%moderate
March Weather1°C (34°F)58 mm (2.3 inches)85%moderate
April Weather7°C (44°F)103 mm (4.1 inches)85%very high
May Weather14°C (58°F)118 mm (4.6 inches)78%very high
June Weather20°C (69°F)104 mm (4.1 inches)80%very high
July Weather23°C (74°F)108 mm (4.2 inches)78%very high
August Weather21°C (71°F)93 mm (3.7 inches)76%very high
September Weather18°C (64°F)83 mm (3.3 inches)79%high
October Weather10°C (51°F)106 mm (4.2 inches)83%moderate
November Weather2°C (36°F)44 mm (1.7 inches)88%moderate
December Weather-2°C (29°F)46 mm (1.8 inches)81%low

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