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October Weather in Caldwell, United States

Last updated: June 24, 2025

In October, the average temperature in Caldwell, United States is a mild 12°C (54°F). However, be prepared for a wide range as temperatures can dip to a chilly -9°C (16°F) or soar to a warm 30°C (86°F). This period sees about 18 mm (0.7 in) of precipitation spread over 3 days, contributing to an average humidity of 65%. Don't forget your umbrella and dress in layers to enjoy all that this vibrant destination has to offer!

October Temperature in Caldwell

In October in Caldwell, the average temperature is 12°C (54°F), with maximums reaching 30°C (86°F) and minimums dipping as low as -9°C (16°F). Be prepared for a range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates October temperature patterns in Caldwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caldwell, October typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (86°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec343747546372827968544335
Data source: Temperature data for Caldwell 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 Caldwell

In Caldwell in October, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.

October Precipitation Trends in Caldwell

The chart displays monthly precipitation patterns in Caldwell, 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 Caldwell, October typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec424331292816169182833
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Caldwell

In Caldwell in October, humidity is 65%. With an average temperature of 12°C (54°F), this humidity feels like a cool, damp embrace that can make outdoor activities a bit uncomfortable, but offers a refreshing atmosphere for exploring cozy cafes and indoor attractions.

October Average Humidity in Caldwell

This chart illustrates the average monthly humidity levels in Caldwell, 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 Caldwell is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Caldwell

In Caldwell 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 Caldwell.

Maximum UV Index Levels in Caldwell for October

The chart shows the monthly maximum UV Index (UVI) for Caldwell 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 Caldwell typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111098542
Data source: Caldwell 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 Caldwell Compares to Other Months

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

This table compares monthly weather conditions in Caldwell, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)42 mm (1.7 inches)88%moderate
February Weather3°C (37°F)43 mm (1.7 inches)89%moderate
March Weather8°C (47°F)31 mm (1.2 inches)85%high
April Weather12°C (54°F)29 mm (1.2 inches)79%very high
May Weather17°C (63°F)28 mm (1.1 inches)71%very high
June Weather22°C (73°F)16 mm (0.6 inches)71%extreme
July Weather28°C (82°F)1 mm (0.0 inches)66%very high
August Weather26°C (80°F)5 mm (0.2 inches)50%very high
September Weather20°C (68°F)9 mm (0.4 inches)48%very high
October Weather12°C (54°F)18 mm (0.7 inches)65%moderate
November Weather6°C (43°F)28 mm (1.1 inches)84%moderate
December Weather2°C (35°F)33 mm (1.3 inches)87%low

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