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March Weather in Littleton, United States

Last updated: June 24, 2025

In Littleton, United States, the average temperature in March hovers around -3°C (27°F). However, temperatures can swing dramatically, with minimums dipping to -22°C (-8°F) and maximums reaching a surprising 18°C (65°F). During this month, expect about 77 mm (3.0 in) of precipitation over approximately 11 days, contributing to an average humidity of 85%.

March Temperature in Littleton

In March in Littleton, the average temperature is -3°C (27°F). Maximums can reach 18°C (65°F) while minimums can dip as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit comfortably.

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

The chart illustrates March temperature patterns in Littleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Littleton, March typically has an average temperature of -3°C (27°F), with highs reaching up to 18°C (65°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec172027405362676558473222
Data source: Temperature data for Littleton 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 Littleton

In Littleton in March, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.

March Precipitation Trends in Littleton

The chart displays monthly precipitation patterns in Littleton, 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 Littleton, March typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8685771251041091199169140116100
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Littleton

In Littleton in March humidity is 85%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps through layers of clothing, making travel seem daunting and the cold air sting your skin.

March Average Humidity in Littleton

This chart illustrates the average monthly humidity levels in Littleton, 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 Littleton is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Littleton

In Littleton 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 Littleton, you can refer to this Hourly UV Index in Littleton.

Maximum UV Index Levels in Littleton for March

The chart shows the monthly maximum UV Index (UVI) for Littleton 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 Littleton typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997532
Data source: Littleton 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 Littleton Compares to Other Months

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

This table compares monthly weather conditions in Littleton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)86 mm (3.4 inches)91%low
February Weather-7°C (20°F)85 mm (3.4 inches)89%moderate
March Weather-3°C (27°F)77 mm (3.0 inches)85%high
April Weather4°C (40°F)125 mm (4.9 inches)84%very high
May Weather12°C (53°F)104 mm (4.1 inches)78%very high
June Weather17°C (62°F)109 mm (4.3 inches)72%very high
July Weather19°C (67°F)119 mm (4.7 inches)75%very high
August Weather18°C (66°F)91 mm (3.6 inches)74%very high
September Weather15°C (58°F)69 mm (2.7 inches)77%high
October Weather8°C (47°F)140 mm (5.5 inches)85%moderate
November Weather0°C (32°F)116 mm (4.6 inches)86%moderate
December Weather-6°C (22°F)100 mm (3.9 inches)85%low

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