March Weather in Fort Defiance, United States

Last updated: June 24, 2025

The average temperature in Fort Defiance, United States during March hovers around 5°C (40°F), with extremes ranging from a brisk -14°C (6°F) to a pleasant 23°C (73°F). Expect about 43 mm (1.7 in) of precipitation spread over 6 days, contributing to the region's average humidity of 71%.

March Temperature in Fort Defiance

In March in Fort Defiance, the average temperature is 5°C (40°F). The maximum can reach 23°C (73°F), and the minimum can be as low as -14°C (6°F). Travelers should be prepared for a wide range of weather conditions and pack accordingly for their visit.

March Weather in Fort Defiance: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Fort Defiance, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Defiance, March typically has an average temperature of 5°C (40°F), with highs reaching up to 23°C (73°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec293240515971737265524130
Data source: Temperature data for Fort Defiance 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 Fort Defiance

In Fort Defiance in March, the precipitation amount is 43 mm (1.7 in) over a period of 6 days.

March Precipitation Trends in Fort Defiance

The chart displays monthly precipitation patterns in Fort Defiance, 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 Fort Defiance, March typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec31364316216482433271929
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Fort Defiance

In Fort Defiance in March, humidity is 71%. With an average temperature of 5°C (40°F), this humidity feels like a brisk chill in the air, making travel somewhat uncomfortable as the dampness clings to your skin, adding an extra layer of coldness that can leave you yearning for warmth.

March Average Humidity in Fort Defiance

This chart illustrates the average monthly humidity levels in Fort Defiance, 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 Fort Defiance is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%83%71%61%48%36%37%46%62%74%82%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Fort Defiance

In Fort Defiance in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Fort Defiance.

Maximum UV Index Levels in Fort Defiance for March

The chart shows the monthly maximum UV Index (UVI) for Fort Defiance 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 Fort Defiance typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111213131211864
Data source: Fort Defiance 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 Fort Defiance Compares to Other Months

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

This table compares monthly weather conditions in Fort Defiance, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)31 mm (1.2 inches)81%moderate
February Weather0°C (33°F)36 mm (1.4 inches)83%very high
March Weather5°C (40°F)43 mm (1.7 inches)71%very high
April Weather10°C (51°F)16 mm (0.6 inches)61%extreme
May Weather15°C (59°F)21 mm (0.8 inches)48%extreme
June Weather22°C (71°F)6 mm (0.2 inches)36%extreme
July Weather23°C (73°F)48 mm (1.9 inches)37%extreme
August Weather22°C (72°F)24 mm (0.9 inches)46%extreme
September Weather18°C (65°F)33 mm (1.3 inches)62%extreme
October Weather11°C (52°F)26 mm (1.0 inches)74%very high
November Weather5°C (42°F)19 mm (0.7 inches)82%high
December Weather-1°C (31°F)29 mm (1.2 inches)82%moderate

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