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July Weather in Littleton, United States

Last updated: June 24, 2025

In July, the average temperature in Littleton, United States hovers around 20°C (68°F). Expect a range from a chilly 6°C (42°F) to a warm 34°C (94°F). During this month, precipitation accumulates to 101 mm (4.0 in) over approximately 12 days, accompanied by an average humidity of 81%.

July Temperature in Littleton

In July in Littleton, the average temperature is 20°C (68°F), with a maximum that can reach 34°C (94°F) and a minimum that can drop to as low as 6°C (42°F). Travelers should be prepared for a wide range of temperatures, so layering is recommended for comfort throughout the day.

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

The chart illustrates July 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, July typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (94°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec161826395262676658463321
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.

July Precipitation in Littleton

In Littleton in July, the precipitation amount is 101 mm (4.0 in) spread over 12 days.

July Precipitation Trends in Littleton

The chart displays monthly precipitation patterns in Littleton, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Littleton, July typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec948377110108951018898118117113
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Littleton

In Littleton in July humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

July Average Humidity in Littleton

This chart illustrates the average monthly humidity levels in Littleton, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Littleton is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Littleton

In Littleton in July, 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 Littleton.

Maximum UV Index Levels in Littleton for July

The chart shows the monthly maximum UV Index (UVI) for Littleton in July, 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 July, the maximum UV index in Littleton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810887532
Data source: Littleton July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)94 mm (3.7 inches)93%low
February Weather-8°C (18°F)83 mm (3.3 inches)92%moderate
March Weather-3°C (26°F)77 mm (3.0 inches)90%moderate
April Weather4°C (40°F)109 mm (4.3 inches)87%high
May Weather11°C (52°F)108 mm (4.2 inches)82%very high
June Weather16°C (62°F)95 mm (3.8 inches)77%very high
July Weather20°C (68°F)101 mm (4.0 inches)81%very high
August Weather19°C (66°F)88 mm (3.5 inches)83%very high
September Weather14°C (58°F)98 mm (3.8 inches)85%high
October Weather8°C (47°F)118 mm (4.6 inches)87%moderate
November Weather0°C (33°F)117 mm (4.6 inches)87%moderate
December Weather-6°C (21°F)113 mm (4.4 inches)90%low

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