January Weather in Longtown, United States

Last updated: June 24, 2025

In January, the average temperature in Longtown, United States hovers around 5°C (42°F), but it can swing dramatically, with lows plummeting to -15°C (5°F) and highs reaching up to 23°C (74°F). This month brings about 79 mm (3.1 in) of precipitation spread over approximately 8 days, creating a backdrop of 79% average humidity that adds to the unique charm of the season.

January Temperature in Longtown

In January in Longtown, the average temperature is 5°C (42°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -15°C (5°F). It's essential to pack layers and be prepared for a wide range of temperatures while traveling during this time.

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

The chart illustrates January temperature patterns in Longtown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longtown, January typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (74°F) and lows dropping to around -15°C (5°F).

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

January Precipitation in Longtown

In Longtown in January, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

January Precipitation Trends in Longtown

The chart displays monthly precipitation patterns in Longtown, 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 Longtown, January typically receives around 79 mm (3.1 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 Longtown

In Longtown in January, humidity is 79%. With an average temperature of 5°C (42°F), this humidity feels like a chilly mist enveloping you, making outdoor activities challenging and travel less appealing, as the dampness clings to your skin and the cold bites through your layers.

January Average Humidity in Longtown

This chart illustrates the average monthly humidity levels in Longtown, 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 Longtown is approximately 79%, 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 Longtown

In Longtown 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 Longtown for better planning.

Maximum UV Index Levels in Longtown for January

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

Data source: Longtown 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 Longtown Compares to Other Months

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

This table compares monthly weather conditions in Longtown, 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)	79 mm (3.1 inches)	79%	moderate
February Weather	6°C (44°F)	94 mm (3.7 inches)	78%	high
March Weather	13°C (55°F)	104 mm (4.1 inches)	75%	high
April Weather	16°C (61°F)	128 mm (5.0 inches)	75%	very high
May Weather	21°C (71°F)	188 mm (7.4 inches)	83%	very high
June Weather	26°C (80°F)	68 mm (2.7 inches)	81%	extreme
July Weather	28°C (83°F)	73 mm (2.9 inches)	78%	extreme
August Weather	27°C (82°F)	90 mm (3.5 inches)	68%	extreme
September Weather	25°C (77°F)	94 mm (3.7 inches)	64%	very high
October Weather	18°C (64°F)	130 mm (5.1 inches)	71%	high
November Weather	11°C (52°F)	55 mm (2.2 inches)	82%	moderate
December Weather	8°C (47°F)	71 mm (2.8 inches)	87%	moderate