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October Weather in Littleton, United States

Last updated: June 24, 2025

In Littleton, United States, the average temperature in October hovers around 8°C (47°F). Expect a temperature range that can dip as low as -7°C (20°F) and peak at a comfortable 24°C (76°F). During this period, you can anticipate about 140 mm (5.5 in) of precipitation spread across 14 days, contributing to an average humidity level of 85%. Stay prepared for a variety of weather conditions!

October Temperature in Littleton

In October in Littleton, the average temperature is 8°C (47°F). Maximum temperatures can reach 24°C (76°F), while the minimum can drop as low as -7°C (20°F). Be sure to pack layers to accommodate the wide range of temperatures during your travels.

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

The chart illustrates October 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, October typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (76°F) and lows dropping to around -7°C (20°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.

October Precipitation in Littleton

In Littleton in October, the precipitation amount is 140 mm (5.5 in) over the course of 14 days.

October Precipitation Trends in Littleton

The chart displays monthly precipitation patterns in Littleton, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Littleton, October typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8685771251041091199169140116100
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Littleton

In Littleton in October humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

October Average Humidity in Littleton

This chart illustrates the average monthly humidity levels in Littleton, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Littleton

In Littleton in October, 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 Littleton.

Maximum UV Index Levels in Littleton for October

The chart shows the monthly maximum UV Index (UVI) for Littleton in October, 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 October, the maximum UV index in Littleton typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997532
Data source: Littleton October 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 October 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 October’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 October’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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