January Weather in Joiner, United States

Last updated: June 24, 2025

In Joiner, United States, the average temperature for January hovers around 5°C (42°F). Residents can expect a minimum of -14°C (7°F) and a comfortable maximum of 23°C (73°F). During this month, precipitation averages 104 mm (4.1 in) over about 8 days, coupled with a high average humidity of 84%. Stay prepared for a mix of chilly days and occasional warmth!

January Temperature in Joiner

In January in Joiner, the average temperature is 5°C (42°F), with maximums reaching up to 23°C (73°F) and minimums dropping as low as -14°C (7°F). This wide temperature range suggests that travelers should be prepared for both mild and cold conditions during their visit.

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

The chart illustrates January temperature patterns in Joiner, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Joiner, January typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (73°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Joiner

In Joiner, in January, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

January Precipitation Trends in Joiner

The chart displays monthly precipitation patterns in Joiner, 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 Joiner, January typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 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 Joiner

In Joiner in January, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

January Average Humidity in Joiner

This chart illustrates the average monthly humidity levels in Joiner, 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 Joiner is approximately 84%, 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 Joiner

In Joiner 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 Joiner for better planning.

Maximum UV Index Levels in Joiner for January

The chart shows the monthly maximum UV Index (UVI) for Joiner 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 Joiner typically reaches 4, which falls under the moderate exposure category.

Data source: Joiner 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 Joiner Compares to Other Months

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

This table compares monthly weather conditions in Joiner, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	104 mm (4.1 inches)	84%	moderate
February Weather	7°C (45°F)	170 mm (6.7 inches)	83%	high
March Weather	12°C (55°F)	170 mm (6.7 inches)	81%	high
April Weather	16°C (61°F)	133 mm (5.2 inches)	81%	very high
May Weather	22°C (72°F)	125 mm (4.9 inches)	83%	extreme
June Weather	26°C (79°F)	110 mm (4.3 inches)	83%	extreme
July Weather	28°C (82°F)	106 mm (4.2 inches)	81%	extreme
August Weather	26°C (80°F)	112 mm (4.4 inches)	74%	very high
September Weather	24°C (76°F)	85 mm (3.4 inches)	71%	very high
October Weather	18°C (64°F)	120 mm (4.7 inches)	76%	high
November Weather	10°C (50°F)	79 mm (3.1 inches)	84%	moderate
December Weather	8°C (46°F)	137 mm (5.4 inches)	88%	moderate