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April Weather in Saint Paul, United States

Last updated: June 24, 2025

In Saint Paul, United States, the average temperature in April hovers around 9°C (49°F). However, be prepared for a wide range of temperatures, with minimums plummeting to -13°C (9°F) and maximums soaring to 31°C (88°F). The month brings approximately 56 mm (2.2 in) of precipitation over 10 days, and the average humidity sits at a comfortable 71%.

April Temperature in Saint Paul

In April in Saint Paul, the average temperature is 9°C (49°F). The maximum can reach 31°C (88°F) and the minimum can be as low as -13°C (9°F). It's advisable to pack layers and prepare for a wide range of temperatures when traveling to Saint Paul during this time.

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 9°C (49°F), with highs reaching up to 31°C (88°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec252540486074777468514030
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 56 mm (2.2 in) over the course of 10 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 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2518865614485668457882141
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 71%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly and plan for cozy indoor activities while exploring the area.

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 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%81%69%71%80%83%84%84%77%72%80%79%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110108643
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 Weather-4°C (26°F)25 mm (1.0 inches)73%moderate
February Weather-4°C (25°F)18 mm (0.7 inches)81%moderate
March Weather4°C (40°F)86 mm (3.4 inches)69%high
April Weather9°C (49°F)56 mm (2.2 inches)71%very high
May Weather16°C (61°F)144 mm (5.7 inches)80%very high
June Weather23°C (74°F)85 mm (3.3 inches)83%extreme
July Weather25°C (77°F)66 mm (2.6 inches)84%very high
August Weather23°C (74°F)84 mm (3.3 inches)84%very high
September Weather20°C (68°F)57 mm (2.2 inches)77%very high
October Weather10°C (51°F)88 mm (3.5 inches)72%high
November Weather4°C (40°F)21 mm (0.8 inches)80%moderate
December Weather-1°C (30°F)41 mm (1.6 inches)79%moderate

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