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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 (53°F). During this month, you can expect a minimum temperature of -6°C (22°F) and a peak of 29°C (84°F). With an average precipitation of 113 mm (4.4 in) over 10 days, the humidity is notably high at 84%, making for a rather atmospheric experience.

April Temperature in Saint Paul

In April in Saint Paul, the average temperature is 12°C (53°F), with maxima reaching up to 29°C (84°F) and minima dipping as low as -6°C (22°F). This diverse temperature range means travelers should be prepared for both warm and chilly conditions during their trip.

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 (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec313543536573767470584237
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 total precipitation amount is 113 mm (4.4 in) over a span 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 113 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec811031401131361151098878979796
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 (53°F), this humidity feels like a damp chill that clings to your skin, making travel a bit uncomfortable as you navigate through the heavy, moist air.

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%85%86%84%79%82%79%70%69%76%88%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
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-1°C (31°F)81 mm (3.2 inches)87%moderate
February Weather1°C (35°F)103 mm (4.1 inches)85%moderate
March Weather6°C (44°F)140 mm (5.5 inches)86%high
April Weather12°C (53°F)113 mm (4.4 inches)84%very high
May Weather18°C (65°F)136 mm (5.4 inches)79%very high
June Weather23°C (73°F)114 mm (4.5 inches)82%extreme
July Weather25°C (77°F)109 mm (4.3 inches)79%very high
August Weather23°C (74°F)88 mm (3.5 inches)70%very high
September Weather21°C (70°F)78 mm (3.1 inches)69%very high
October Weather15°C (58°F)97 mm (3.8 inches)76%high
November Weather6°C (43°F)97 mm (3.8 inches)88%moderate
December Weather3°C (37°F)96 mm (3.8 inches)87%moderate

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