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March Weather in Clackamas, United States

Last updated: June 24, 2025

In March, the average temperature in Clackamas, United States hovers around 8°C (46°F), with fluctuations ranging from a chilly -4°C (24°F) to a mild 23°C (74°F). Expect precipitation to be a notable factor, with an average of 161 mm (6.3 in) spread over 18 days. The air tends to be quite humid, averaging around 85%, so prepare for a damp, cool atmosphere as you explore!

March Temperature in Clackamas

In March in Clackamas, the average temperature is 8°C (46°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -4°C (24°F). It's advisable to pack layers to comfortably enjoy your travel adventures during this varied weather.

March Weather in Clackamas: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Clackamas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clackamas, March typically has an average temperature of 8°C (46°F), with highs reaching up to 23°C (74°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec414146515864697064534641
Data source: Temperature data for Clackamas 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 Clackamas

In Clackamas in March, the precipitation amount is 161 mm (6.3 in), occurring over the span of 18 days.

March Precipitation Trends in Clackamas

The chart displays monthly precipitation patterns in Clackamas, 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 Clackamas, March typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec203228161142715971083155207233
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Clackamas

In Clackamas in March humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

March Average Humidity in Clackamas

This chart illustrates the average monthly humidity levels in Clackamas, 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 Clackamas is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Clackamas

In Clackamas in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Clackamas.

Maximum UV Index Levels in Clackamas for March

The chart shows the monthly maximum UV Index (UVI) for Clackamas 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 Clackamas typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356991087532
Data source: Clackamas 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 Clackamas Compares to Other Months

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

This table compares monthly weather conditions in Clackamas, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)203 mm (8.0 inches)85%low
February Weather5°C (41°F)227 mm (9.0 inches)84%moderate
March Weather8°C (46°F)161 mm (6.3 inches)85%moderate
April Weather11°C (51°F)142 mm (5.6 inches)83%high
May Weather14°C (58°F)71 mm (2.8 inches)83%very high
June Weather18°C (64°F)59 mm (2.3 inches)83%very high
July Weather21°C (69°F)7 mm (0.3 inches)82%very high
August Weather21°C (70°F)10 mm (0.4 inches)74%very high
September Weather18°C (64°F)83 mm (3.3 inches)71%high
October Weather11°C (53°F)155 mm (6.1 inches)81%moderate
November Weather8°C (46°F)207 mm (8.1 inches)87%moderate
December Weather5°C (41°F)233 mm (9.2 inches)87%low

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