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March Weather in Cave Junction, United States

Last updated: June 24, 2025

In Cave Junction, United States, the average temperature in March hovers around 5°C (42°F). Expect a chilly range with minimum temperatures dipping to -12°C (10°F) and maximums reaching up to 22°C (71°F). During this month, precipitation averages 179 mm (7.1 in) over 16 days, while the air maintains a high humidity level of 86%.

March Temperature in Cave Junction

In March in Cave Junction, the average temperature is 5°C (42°F). The maximum can reach 22°C (71°F), while the minimum can drop as low as -12°C (10°F). Be prepared for a diverse range of weather conditions if you're planning to travel during this time.

March Weather in Cave Junction: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Cave Junction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cave Junction, March typically has an average temperature of 5°C (42°F), with highs reaching up to 22°C (71°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec393942485563717063524438
Data source: Temperature data for Cave Junction 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.

March Precipitation in Cave Junction

In Cave Junction in March, the precipitation amount is 179 mm (7.1 in) over a period of 16 days.

March Precipitation Trends in Cave Junction

The chart displays monthly precipitation patterns in Cave Junction, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Cave Junction, March typically receives around 179 mm (7.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec2462461791366630254571168199
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Cave Junction

In Cave Junction in March, humidity is 86%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that penetrates your layers, making outdoor activities quite uncomfortable and prompting you to seek warmth indoors more often.

March Average Humidity in Cave Junction

This chart illustrates the average monthly humidity levels in Cave Junction, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Cave Junction is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Cave Junction

In Cave Junction in March, 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 Cave Junction, you can refer to this Hourly UV Index in Cave Junction.

Maximum UV Index Levels in Cave Junction for March

The chart shows the monthly maximum UV Index (UVI) for Cave Junction in March, 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 March, the maximum UV index in Cave Junction typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468111110108642
Data source: Cave Junction March 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 March Weather in Cave Junction Compares to Other Months

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

This table compares monthly weather conditions in Cave Junction, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)246 mm (9.7 inches)84%moderate
February Weather4°C (39°F)246 mm (9.7 inches)85%moderate
March Weather5°C (42°F)179 mm (7.1 inches)86%high
April Weather9°C (48°F)136 mm (5.4 inches)83%very high
May Weather13°C (55°F)66 mm (2.6 inches)83%extreme
June Weather17°C (63°F)30 mm (1.2 inches)83%extreme
July Weather21°C (71°F)2 mm (0.1 inches)78%very high
August Weather21°C (70°F)5 mm (0.2 inches)67%very high
September Weather17°C (63°F)45 mm (1.8 inches)66%very high
October Weather11°C (53°F)71 mm (2.8 inches)77%high
November Weather7°C (45°F)168 mm (6.6 inches)87%moderate
December Weather3°C (38°F)198 mm (7.8 inches)87%low

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