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April Weather in John Sam Lake, United States

Last updated: June 24, 2025

In April, the average temperature in John Sam Lake, United States hovers around 9°C (49°F), with a minimum dipping to 2°C (35°F) and a maximum reaching up to 22°C (71°F). This month also brings 138 mm (5.4 in) of precipitation over about 16 days, resulting in an average humidity level of 84%. Be prepared for a mix of cool air and wet weather!

April Temperature in John Sam Lake

In April in John Sam Lake, the average temperature is 9°C (49°F). Maximums can reach 22°C (71°F), while minimums can drop as low as 2°C (35°F). It's a great time to explore John Sam Lake, so be sure to bring layers to stay comfortable while enjoying the sights!

April Weather in John Sam Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in John Sam Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In John Sam Lake, April typically has an average temperature of 9°C (49°F), with highs reaching up to 22°C (71°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec424044495559636460514641
Data source: Temperature data for John Sam Lake 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 John Sam Lake

In John Sam Lake in April, the precipitation amount is 138 mm (5.4 in), falling over a span of 16 days.

April Precipitation Trends in John Sam Lake

The chart displays monthly precipitation patterns in John Sam Lake, 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 John Sam Lake, April typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec21920916513887823133114196254247
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in John Sam Lake

In John Sam Lake in April, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

April Average Humidity in John Sam Lake

This chart illustrates the average monthly humidity levels in John Sam Lake, 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 John Sam Lake is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in John Sam Lake

In John Sam Lake in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in John Sam Lake, you can refer to this Hourly UV Index in John Sam Lake.

Maximum UV Index Levels in John Sam Lake for April

The chart shows the monthly maximum UV Index (UVI) for John Sam Lake 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 John Sam Lake typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987521
Data source: John Sam Lake 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 John Sam Lake Compares to Other Months

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

This table compares monthly weather conditions in John Sam Lake, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)219 mm (8.6 inches)86%low
February Weather4°C (40°F)209 mm (8.2 inches)86%moderate
March Weather7°C (44°F)165 mm (6.5 inches)87%moderate
April Weather9°C (49°F)138 mm (5.4 inches)84%high
May Weather13°C (55°F)87 mm (3.4 inches)81%very high
June Weather15°C (60°F)81 mm (3.2 inches)82%very high
July Weather17°C (64°F)31 mm (1.2 inches)79%very high
August Weather18°C (65°F)33 mm (1.3 inches)63%very high
September Weather15°C (60°F)114 mm (4.5 inches)62%high
October Weather11°C (51°F)196 mm (7.7 inches)83%moderate
November Weather8°C (46°F)254 mm (10.0 inches)89%low
December Weather5°C (42°F)247 mm (9.7 inches)88%low

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