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April Weather in Saint Paul, United States

Last updated: June 24, 2025

In April, the average temperature in Saint Paul, United States hovers around 12°C (54°F), with a minimum chill of -5°C (24°F) and a warm maximum reaching 29°C (84°F). Expect average humidity levels at a comfortable 84% and prepare for some rainfall, as precipitation totals around 155 mm (6.1 in) over approximately 13 days.

April Temperature in Saint Paul

In April in Saint Paul, the average temperature is 12°C (54°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -5°C (24°F). This variety in temperature makes it essential for travelers to pack accordingly, ensuring comfort for both warmer days and cooler nights.

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

The chart illustrates April temperature patterns in Saint Paul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Paul, April typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec364146546469737167584440
Data source: Temperature data for Saint Paul 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 Paul

In Saint Paul in April, the precipitation amount is 155 mm (6.1 in) over the course of 13 days.

April Precipitation Trends in Saint Paul

The chart displays monthly precipitation patterns in Saint Paul, 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 Paul, April typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9116412615512914911413111812877122
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Saint Paul

In Saint Paul in April, humidity is 84%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and sticky.

April Average Humidity in Saint Paul

This chart illustrates the average monthly humidity levels in Saint Paul, 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 Paul is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint Paul

In Saint Paul in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Saint Paul.

Maximum UV Index Levels in Saint Paul for April

The chart shows the monthly maximum UV Index (UVI) for Saint Paul 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 Paul typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Saint Paul 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 Paul Compares to Other Months

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

This table compares monthly weather conditions in Saint Paul, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)91 mm (3.6 inches)87%moderate
February Weather5°C (42°F)164 mm (6.4 inches)87%high
March Weather8°C (47°F)126 mm (5.0 inches)86%very high
April Weather12°C (54°F)155 mm (6.1 inches)84%very high
May Weather18°C (64°F)129 mm (5.1 inches)83%extreme
June Weather21°C (69°F)149 mm (5.8 inches)83%extreme
July Weather23°C (73°F)114 mm (4.5 inches)79%extreme
August Weather22°C (71°F)131 mm (5.1 inches)66%very high
September Weather20°C (68°F)118 mm (4.6 inches)68%very high
October Weather14°C (58°F)127 mm (5.0 inches)78%high
November Weather7°C (44°F)77 mm (3.0 inches)89%moderate
December Weather4°C (40°F)122 mm (4.8 inches)86%moderate

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