January Weather in Millbrook, United States

Last updated: June 24, 2025

In January, the average temperature in Millbrook, United States hovers around 9°C (49°F). Expect a chilly minimum of -8°C (18°F), while basking in the warmth of a maximum of 27°C (81°F) on the sunnier days. Be prepared for some rain, as 122 mm (4.8 in) of precipitation can be expected over 9 days. With an average humidity level of 85%, this month is sure to bring a uniquely atmospheric experience.

January Temperature in Millbrook

In January in Millbrook, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F), while the minimum can dip as low as -8°C (18°F). Be prepared for a wide range of temperatures when planning your travel to Millbrook in January.

January Weather in Millbrook: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Millbrook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millbrook, January typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec495560657479828279705652
Data source: Temperature data for Millbrook generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Millbrook

In Millbrook in January, the precipitation amount is 122 mm (4.8 in) over a span of 9 days.

January Precipitation Trends in Millbrook

The chart displays monthly precipitation patterns in Millbrook, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Millbrook, January typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec12212811012111811393938711575138
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Millbrook

In Millbrook in January humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.

January Average Humidity in Millbrook

This chart illustrates the average monthly humidity levels in Millbrook, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Millbrook is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Millbrook

In Millbrook in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Millbrook for better planning.

Maximum UV Index Levels in Millbrook for January

The chart shows the monthly maximum UV Index (UVI) for Millbrook in January, 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 January, the maximum UV index in Millbrook typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Millbrook January 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 January Weather in Millbrook Compares to Other Months

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

This table compares monthly weather conditions in Millbrook, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)122 mm (4.8 inches)85%moderate
February Weather13°C (56°F)128 mm (5.0 inches)84%high
March Weather16°C (60°F)110 mm (4.3 inches)82%very high
April Weather19°C (66°F)121 mm (4.8 inches)82%very high
May Weather24°C (75°F)118 mm (4.6 inches)81%extreme
June Weather26°C (80°F)113 mm (4.5 inches)77%extreme
July Weather28°C (83°F)93 mm (3.7 inches)77%extreme
August Weather28°C (82°F)93 mm (3.7 inches)72%extreme
September Weather26°C (79°F)87 mm (3.4 inches)73%very high
October Weather21°C (70°F)115 mm (4.5 inches)73%very high
November Weather13°C (56°F)75 mm (3.0 inches)85%high
December Weather11°C (52°F)138 mm (5.4 inches)88%moderate

Compare Millbrook's Climate with Cities Worldwide