January Weather in Sam Rayburn, United States

Last updated: June 24, 2025

In January, the average temperature in Sam Rayburn, United States hovers around 11°C (52°F), with a minimum of -8°C (18°F) and a maximum reaching 28°C (82°F). This month typically brings about 107 mm (4.2 in) of precipitation over 8 days, resulting in an average humidity of 81%. Be prepared for both chilly and warm days, along with the possibility of rain!

January Temperature in Sam Rayburn

In January in Sam Rayburn, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -8°C (18°F). It's advisable to pack layers for your travels, as weather can vary significantly from day to night.

January Weather in Sam Rayburn: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sam Rayburn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sam Rayburn, January typically has an average temperature of 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -8°C (18°F).

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

January Precipitation in Sam Rayburn

In Sam Rayburn in January, the total precipitation amount is 107 mm (4.2 in), occurring over a span of 8 days.

January Precipitation Trends in Sam Rayburn

The chart displays monthly precipitation patterns in Sam Rayburn, 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 Sam Rayburn, January typically receives around 107 mm (4.2 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 Sam Rayburn

In Sam Rayburn in January humidity is 81%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor excursions quite uncomfortable, causing a muggy heaviness that dampens clothes and leaves travelers longing for dryer weather.

January Average Humidity in Sam Rayburn

This chart illustrates the average monthly humidity levels in Sam Rayburn, 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 Sam Rayburn is approximately 81%, 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 Sam Rayburn

In Sam Rayburn 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 Sam Rayburn.

Maximum UV Index Levels in Sam Rayburn for January

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

Data source: Sam Rayburn 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 Sam Rayburn Compares to Other Months

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

This table compares monthly weather conditions in Sam Rayburn, 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 (52°F)	107 mm (4.2 inches)	81%	moderate
February Weather	13°C (55°F)	114 mm (4.5 inches)	81%	very high
March Weather	17°C (64°F)	101 mm (4.0 inches)	79%	very high
April Weather	20°C (68°F)	132 mm (5.2 inches)	80%	very high
May Weather	24°C (76°F)	184 mm (7.2 inches)	81%	extreme
June Weather	27°C (81°F)	150 mm (5.9 inches)	76%	extreme
July Weather	28°C (83°F)	98 mm (3.8 inches)	73%	extreme
August Weather	28°C (83°F)	183 mm (7.2 inches)	71%	extreme
September Weather	26°C (80°F)	160 mm (6.3 inches)	72%	very high
October Weather	21°C (71°F)	144 mm (5.7 inches)	73%	very high
November Weather	15°C (59°F)	68 mm (2.7 inches)	83%	high
December Weather	13°C (55°F)	133 mm (5.3 inches)	88%	moderate