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March Weather in Harriman, United States

Last updated: June 24, 2025

In Harriman, United States, the average temperature in March hovers around 11°C (52°F), with a range that can dip to a chilly -10°C (14°F) or soar to a warm 29°C (84°F). Expect approximately 154 mm (6.1 in) of precipitation spread over 13 days, creating a humid atmosphere with an average humidity level of 86%.

March Temperature in Harriman

In March in Harriman, the average temperature is 11°C (52°F). Maximums can reach 29°C (84°F) while minimums can drop as low as -10°C (14°F). Be prepared for a wide range of temperatures, making it essential to pack for both warm and cold weather during your travels.

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

The chart illustrates March temperature patterns in Harriman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harriman, March typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -10°C (14°F).
JanFebMarAprMayJunJulAugSepOctNovDec404652596974787673634845
Data source: Temperature data for Harriman 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 Harriman

In Harriman in March, the precipitation amount is 154 mm (6.1 in) over the course of 13 days.

March Precipitation Trends in Harriman

The chart displays monthly precipitation patterns in Harriman, 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 Harriman, March typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec981781541421181141221329512078137
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Harriman

In Harriman in March humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

March Average Humidity in Harriman

This chart illustrates the average monthly humidity levels in Harriman, 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 Harriman is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Harriman

In Harriman in March, 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 Harriman.

Maximum UV Index Levels in Harriman for March

The chart shows the monthly maximum UV Index (UVI) for Harriman 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 Harriman typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Harriman 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 Harriman Compares to Other Months

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

This table compares monthly weather conditions in Harriman, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)98 mm (3.9 inches)86%moderate
February Weather8°C (46°F)178 mm (7.0 inches)86%high
March Weather11°C (52°F)154 mm (6.1 inches)86%very high
April Weather15°C (59°F)142 mm (5.6 inches)82%very high
May Weather20°C (69°F)118 mm (4.6 inches)85%extreme
June Weather24°C (75°F)114 mm (4.5 inches)85%extreme
July Weather26°C (78°F)122 mm (4.8 inches)83%extreme
August Weather25°C (77°F)132 mm (5.2 inches)76%very high
September Weather23°C (73°F)95 mm (3.7 inches)76%very high
October Weather17°C (63°F)120 mm (4.7 inches)80%high
November Weather9°C (49°F)78 mm (3.1 inches)88%moderate
December Weather7°C (45°F)137 mm (5.4 inches)88%moderate

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