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April Weather in State Line, United States

Last updated: June 24, 2025

In April, the average temperature in State Line, United States is a pleasant 19°C (67°F). Visitors can expect a comfortable climate, with minimum temperatures dipping to 4°C (39°F) and peaking at a warm 32°C (91°F). Rainfall is moderate, averaging 125 mm (4.9 in) over 8 days, while the average humidity sits at a relatively high 78%.

April Temperature in State Line

In April in State Line, the average temperature is 19°C (67°F). Maximum temperatures can reach up to 32°C (91°F), while the minimum can drop as low as 4°C (39°F). This diverse temperature range makes it a great time to explore State Line, so be sure to pack layers for your travels!

April Weather in State Line: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in State Line, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In State Line, April typically has an average temperature of 19°C (67°F), with highs reaching up to 32°C (91°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec515762667580818179715754
Data source: Temperature data for State Line 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 State Line

In State Line in April, the precipitation amount is 125 mm (4.9 in) over the course of 8 days.

April Precipitation Trends in State Line

The chart displays monthly precipitation patterns in State Line, 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 State Line, April typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec11611411212512118512513811910274139
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in State Line

In State Line in April humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

April Average Humidity in State Line

This chart illustrates the average monthly humidity levels in State Line, 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 State Line is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in State Line

In State Line in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in State Line.

Maximum UV Index Levels in State Line for April

The chart shows the monthly maximum UV Index (UVI) for State Line 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 State Line typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec588111111111110864
Data source: State Line 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 State Line Compares to Other Months

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

This table compares monthly weather conditions in State Line, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)116 mm (4.6 inches)82%moderate
February Weather14°C (57°F)114 mm (4.5 inches)80%very high
March Weather17°C (62°F)112 mm (4.4 inches)80%very high
April Weather19°C (67°F)125 mm (4.9 inches)78%extreme
May Weather24°C (75°F)121 mm (4.7 inches)73%extreme
June Weather26°C (80°F)185 mm (7.3 inches)71%extreme
July Weather27°C (82°F)125 mm (4.9 inches)79%extreme
August Weather27°C (82°F)138 mm (5.4 inches)78%extreme
September Weather26°C (79°F)119 mm (4.7 inches)80%very high
October Weather22°C (71°F)102 mm (4.0 inches)76%very high
November Weather14°C (58°F)74 mm (2.9 inches)83%high
December Weather12°C (54°F)139 mm (5.5 inches)87%moderate

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