January Weather in Boonville, United States

Last updated: June 24, 2025

In January, the average temperature in Boonville, United States dips to -7°C (20°F), making it a chilly time of year. Expect minimum temperatures to plunge as low as -31°C (-23°F), while the mercury may occasionally rise to a maximum of 15°C (60°F). With an average precipitation of 116 mm (4.6 in) spread over 14 days and humidity levels soaring to 90%, be sure to prepare for a damp and cold winter experience!

January Temperature in Boonville

In January in Boonville, the average temperature is -7°C (20°F). Maximums can reach 15°C (60°F) and minimums can be as low as -31°C (-23°F). Travelers should be well-prepared for a wide range of temperatures and pack accordingly for the cold conditions.

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

The chart illustrates January temperature patterns in Boonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boonville, January typically has an average temperature of -7°C (20°F), with highs reaching up to 15°C (60°F) and lows dropping to around -31°C (-23°F).

Data source: Temperature data for Boonville generated using information from the Copernicus Climate Change Service.

January Precipitation in Boonville

In Boonville in January, the total precipitation amount is 116 mm (4.6 in) spread over a duration of 14 days.

January Precipitation Trends in Boonville

The chart displays monthly precipitation patterns in Boonville, 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 Boonville, January typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Boonville

In Boonville in January, humidity is 90%. With an average temperature of -7°C (20°F), this humidity feels like an oppressive chill that seeps into your bones, making travel uncomfortable and your breath visible in the frosty air.

January Average Humidity in Boonville

This chart illustrates the average monthly humidity levels in Boonville, 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 Boonville is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Boonville

In Boonville in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Boonville, you can check the information here.

Maximum UV Index Levels in Boonville for January

The chart shows the monthly maximum UV Index (UVI) for Boonville 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 Boonville typically reaches 3, which falls under the moderate exposure category.

Data source: Boonville 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 Boonville Compares to Other Months

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

This table compares monthly weather conditions in Boonville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	116 mm (4.6 inches)	90%	moderate
February Weather	-5°C (24°F)	120 mm (4.7 inches)	90%	moderate
March Weather	-1°C (30°F)	104 mm (4.1 inches)	87%	high
April Weather	6°C (43°F)	138 mm (5.4 inches)	88%	very high
May Weather	13°C (56°F)	134 mm (5.3 inches)	82%	very high
June Weather	18°C (64°F)	129 mm (5.1 inches)	79%	very high
July Weather	21°C (69°F)	185 mm (7.3 inches)	78%	very high
August Weather	19°C (67°F)	141 mm (5.5 inches)	76%	very high
September Weather	16°C (60°F)	90 mm (3.5 inches)	78%	very high
October Weather	10°C (50°F)	184 mm (7.3 inches)	84%	high
November Weather	1°C (35°F)	141 mm (5.6 inches)	89%	moderate
December Weather	-3°C (26°F)	137 mm (5.4 inches)	86%	low