April Weather in Johnson, United States

Last updated: June 24, 2025

In April, the average temperature in Johnson, United States hovers around 13°C (55°F). However, temperatures can range from a chilly -8°C (18°F) to a sweltering 33°C (91°F). Expect approximately 44 mm (1.7 in) of precipitation spread over 6 days, accompanied by an average humidity of 67%. Stay prepared for a mix of weather as you explore this vibrant destination!

April Temperature in Johnson

In April in Johnson, the average temperature is 13°C (55°F), with maximums reaching 33°C (91°F) and minimums dropping as low as -8°C (18°F). Be prepared for a wide range of temperatures when traveling to Johnson during this time.

April Weather in Johnson: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Johnson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnson, April typically has an average temperature of 13°C (55°F), with highs reaching up to 33°C (91°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec353548556477807772564638
Data source: Temperature data for Johnson 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 Johnson

In Johnson in April, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

April Precipitation Trends in Johnson

The chart displays monthly precipitation patterns in Johnson, 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 Johnson, April typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec15133844843839603429819
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Johnson

In Johnson in April humidity is 67%. With an average temperature of 13°C (55°F), this humidity feels like a chilly embrace, making travel a bit uncomfortable as the cool air settles in.

April Average Humidity in Johnson

This chart illustrates the average monthly humidity levels in Johnson, 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 Johnson is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%65%67%81%82%82%84%79%75%79%83%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Johnson

In Johnson 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 Johnson.

Maximum UV Index Levels in Johnson for April

The chart shows the monthly maximum UV Index (UVI) for Johnson 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 Johnson typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458101112121110753
Data source: Johnson 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 Johnson Compares to Other Months

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

This table compares monthly weather conditions in Johnson, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)15 mm (0.6 inches)74%moderate
February Weather2°C (36°F)13 mm (0.5 inches)77%moderate
March Weather9°C (48°F)38 mm (1.5 inches)65%very high
April Weather13°C (55°F)44 mm (1.7 inches)67%very high
May Weather18°C (65°F)84 mm (3.3 inches)81%extreme
June Weather25°C (77°F)38 mm (1.5 inches)82%extreme
July Weather27°C (81°F)38 mm (1.5 inches)82%extreme
August Weather25°C (78°F)60 mm (2.4 inches)84%extreme
September Weather22°C (73°F)34 mm (1.3 inches)79%very high
October Weather14°C (57°F)29 mm (1.1 inches)75%high
November Weather8°C (47°F)8 mm (0.3 inches)79%moderate
December Weather3°C (38°F)19 mm (0.8 inches)83%moderate

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