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April Weather in Klamath, United States

Last updated: June 24, 2025

In April, the average temperature in Klamath, United States is a cool 9°C (49°F). Expect a minimum temperature of 0°C (33°F) and a comfortable maximum of 21°C (70°F). Precipitation levels reach 151 mm (5.9 in) over 10 days, making it a relatively wet period. With an average humidity of 82%, be prepared for a damp atmosphere as you explore!

April Temperature in Klamath

In April in Klamath, the average temperature is 9°C (49°F), with maximums reaching 21°C (70°F) and minimums dipping as low as 0°C (33°F). This mild climate makes Klamath an ideal destination for travelers looking to explore comfortably during this time of year.

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

The chart illustrates April temperature patterns in Klamath, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Klamath, April typically has an average temperature of 9°C (49°F), with highs reaching up to 21°C (70°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec454445495258616260544945
Data source: Temperature data for Klamath 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 Klamath

In Klamath in April, the precipitation amount is 151 mm (5.9 in) over a span of 10 days.

April Precipitation Trends in Klamath

The chart displays monthly precipitation patterns in Klamath, 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 Klamath, April typically receives around 151 mm (5.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec2962672181516932355285198223
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Klamath

In Klamath in April, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

April Average Humidity in Klamath

This chart illustrates the average monthly humidity levels in Klamath, 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 Klamath is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Klamath

In Klamath in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Klamath.

Maximum UV Index Levels in Klamath for April

The chart shows the monthly maximum UV Index (UVI) for Klamath 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 Klamath typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101110108642
Data source: Klamath 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 Klamath Compares to Other Months

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

This table compares monthly weather conditions in Klamath, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)296 mm (11.7 inches)86%moderate
February Weather7°C (44°F)267 mm (10.5 inches)85%moderate
March Weather7°C (46°F)218 mm (8.6 inches)85%high
April Weather9°C (49°F)151 mm (5.9 inches)82%very high
May Weather11°C (53°F)69 mm (2.7 inches)81%very high
June Weather14°C (58°F)32 mm (1.3 inches)79%extreme
July Weather16°C (61°F)3 mm (0.1 inches)70%very high
August Weather17°C (62°F)5 mm (0.2 inches)60%very high
September Weather15°C (60°F)52 mm (2.0 inches)62%very high
October Weather12°C (54°F)85 mm (3.4 inches)72%high
November Weather9°C (49°F)198 mm (7.8 inches)87%moderate
December Weather7°C (45°F)223 mm (8.8 inches)86%low

Compare Klamath's Climate with Cities Worldwide