January Weather in Picayune, United States

Last updated: June 24, 2025

In January, the average temperature in Picayune, United States hovers around 11°C (53°F). Expect a range from a chilly -8°C (17°F) to a warm 27°C (81°F), making this month quite unpredictable. Be prepared for 99 mm (3.9 in) of precipitation over approximately 8 days, and a high average humidity of 82% that adds to the overall atmosphere.

January Temperature in Picayune

In January in Picayune, the average temperature is 11°C (53°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -8°C (17°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Picayune, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Picayune, January typically has an average temperature of 11°C (53°F), with highs reaching up to 27°C (81°F) and lows dropping to around -8°C (17°F).

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

January Precipitation in Picayune

In Picayune in January, the precipitation amount is 99 mm (3.9 in) spread over 8 days.

January Precipitation Trends in Picayune

The chart displays monthly precipitation patterns in Picayune, 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 Picayune, January typically receives around 99 mm (3.9 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 Picayune

In Picayune in January humidity is 82%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, often requiring frequent breaks to escape the muggy atmosphere.

January Average Humidity in Picayune

This chart illustrates the average monthly humidity levels in Picayune, 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 Picayune is approximately 82%, 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 Picayune

In Picayune in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Picayune.

Maximum UV Index Levels in Picayune for January

The chart shows the monthly maximum UV Index (UVI) for Picayune 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 Picayune typically reaches 5, which falls under the moderate exposure category.

Data source: Picayune 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 Picayune Compares to Other Months

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

This table compares monthly weather conditions in Picayune, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (53°F)	99 mm (3.9 inches)	82%	moderate
February Weather	15°C (58°F)	115 mm (4.5 inches)	80%	very high
March Weather	18°C (64°F)	87 mm (3.4 inches)	80%	very high
April Weather	20°C (68°F)	134 mm (5.3 inches)	78%	extreme
May Weather	24°C (76°F)	152 mm (6.0 inches)	73%	extreme
June Weather	27°C (80°F)	236 mm (9.3 inches)	71%	extreme
July Weather	27°C (82°F)	222 mm (8.7 inches)	79%	extreme
August Weather	27°C (81°F)	257 mm (10.1 inches)	78%	extreme
September Weather	26°C (79°F)	136 mm (5.3 inches)	80%	very high
October Weather	22°C (72°F)	130 mm (5.1 inches)	76%	very high
November Weather	15°C (59°F)	68 mm (2.7 inches)	83%	high
December Weather	13°C (56°F)	118 mm (4.7 inches)	87%	moderate