January Weather in Saint David, United States

Last updated: June 24, 2025

In January, the average temperature in Saint David, United States hovers around 8°C (47°F), with its extremes ranging from a brisk -5°C (23°F) to a comfortably warm 22°C (73°F). Visitors can expect about 24 mm (0.9 in) of precipitation over approximately 4 days, contributing to the region's average humidity of 74%. Embrace the varied climate as you explore!

January Temperature in Saint David

In January in Saint David, the average temperature is 8°C (47°F), with maximums reaching 22°C (73°F) and minimums dropping as low as -5°C (23°F). Travelers should be prepared for a mix of mild and chilly weather, making it essential to pack layers for both warmth and comfort.

January Weather in Saint David: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint David, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint David, January typically has an average temperature of 8°C (47°F), with highs reaching up to 22°C (73°F) and lows dropping to around -5°C (23°F).

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

January Precipitation in Saint David

In Saint David in January, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

January Precipitation Trends in Saint David

The chart displays monthly precipitation patterns in Saint David, 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 Saint David, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 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 Saint David

In Saint David in January humidity is 74%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making every outdoor excursion feel more invigorating yet slightly uncomfortable, as the moisture in the air intensifies the cold and leaves you yearning for warmer layers.

January Average Humidity in Saint David

This chart illustrates the average monthly humidity levels in Saint David, 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 Saint David is approximately 74%, 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 Saint David

In Saint David 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 Saint David.

Maximum UV Index Levels in Saint David for January

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

Data source: Saint David 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 Saint David Compares to Other Months

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

This table compares monthly weather conditions in Saint David, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	24 mm (0.9 inches)	74%	moderate
February Weather	10°C (49°F)	32 mm (1.2 inches)	71%	high
March Weather	13°C (57°F)	17 mm (0.7 inches)	60%	very high
April Weather	18°C (65°F)	3 mm (0.1 inches)	43%	extreme
May Weather	22°C (73°F)	3 mm (0.1 inches)	32%	extreme
June Weather	28°C (83°F)	8 mm (0.3 inches)	28%	extreme
July Weather	28°C (82°F)	65 mm (2.6 inches)	38%	extreme
August Weather	27°C (81°F)	52 mm (2.0 inches)	60%	extreme
September Weather	25°C (76°F)	31 mm (1.2 inches)	72%	extreme
October Weather	19°C (67°F)	13 mm (0.5 inches)	66%	very high
November Weather	14°C (57°F)	23 mm (0.9 inches)	74%	high
December Weather	9°C (48°F)	27 mm (1.1 inches)	81%	moderate