January Weather in Johnstonville, United States

Last updated: June 24, 2025

In January, the average temperature in Johnstonville, United States hovers around 0°C (32°F), with a minimum plunge to -18°C (1°F) and a maximum reaching 12°C (54°F). Expect a precipitation of 88 mm (3.5 in) over approximately 10 days, alongside an average humidity level of 86%. Prepare for a chilly and damp month!

January Temperature in Johnstonville

In January in Johnstonville, the average temperature is 0°C (32°F). Maximum temperatures can reach 12°C (54°F), while minimums can drop as low as -18°C (1°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Johnstonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnstonville, January typically has an average temperature of 0°C (32°F), with highs reaching up to 12°C (54°F) and lows dropping to around -18°C (1°F).

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

January Precipitation in Johnstonville

In Johnstonville in January, the precipitation amount is 88 mm (3.5 in) spread over a duration of 10 days.

January Precipitation Trends in Johnstonville

The chart displays monthly precipitation patterns in Johnstonville, 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 Johnstonville, January typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 10 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 Johnstonville

In Johnstonville in January humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.

January Average Humidity in Johnstonville

This chart illustrates the average monthly humidity levels in Johnstonville, 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 Johnstonville is approximately 86%, 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 Johnstonville

In Johnstonville 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 Johnstonville for better planning.

Maximum UV Index Levels in Johnstonville for January

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

Data source: Johnstonville 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 Johnstonville Compares to Other Months

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

This table compares monthly weather conditions in Johnstonville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	88 mm (3.5 inches)	86%	moderate
February Weather	0°C (33°F)	93 mm (3.7 inches)	87%	moderate
March Weather	3°C (38°F)	75 mm (3.0 inches)	86%	very high
April Weather	8°C (47°F)	38 mm (1.5 inches)	83%	very high
May Weather	13°C (56°F)	40 mm (1.6 inches)	72%	extreme
June Weather	19°C (67°F)	10 mm (0.4 inches)	67%	extreme
July Weather	24°C (75°F)	7 mm (0.3 inches)	56%	extreme
August Weather	23°C (73°F)	7 mm (0.3 inches)	42%	extreme
September Weather	18°C (64°F)	16 mm (0.6 inches)	46%	very high
October Weather	10°C (51°F)	32 mm (1.2 inches)	67%	high
November Weather	5°C (41°F)	39 mm (1.5 inches)	86%	moderate
December Weather	-1°C (31°F)	63 mm (2.5 inches)	86%	moderate