January Weather in Delmar, United States

Last updated: June 24, 2025

In January, the average temperature in Delmar, United States hovers around 4°C (39°F). Expect chilly days with minimum temperatures plunging to -18°C (0°F) and occasional peaks reaching up to 21°C (71°F). Precipitation is also a factor to consider, with an average of 66 mm (2.6 in) spread over 8 days. Stay prepared for the season's humidity, averaging a damp 84%!

January Temperature in Delmar

In January in Delmar, the average temperature is 4°C (39°F), with maximums reaching 21°C (71°F) and minimums dropping as low as -18°C (0°F). Visitors should be prepared for a wide temperature range, making layered clothing essential for exploring the area.

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

The chart illustrates January temperature patterns in Delmar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Delmar, January typically has an average temperature of 4°C (39°F), with highs reaching up to 21°C (71°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Delmar

In Delmar in January, the total precipitation amount is 66 mm (2.6 in) over the course of 8 days.

January Precipitation Trends in Delmar

The chart displays monthly precipitation patterns in Delmar, 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 Delmar, January typically receives around 66 mm (2.6 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 Delmar

In Delmar in January, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

January Average Humidity in Delmar

This chart illustrates the average monthly humidity levels in Delmar, 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 Delmar is approximately 84%, 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 Delmar

In Delmar in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Delmar, you can check the information here.

Maximum UV Index Levels in Delmar for January

The chart shows the monthly maximum UV Index (UVI) for Delmar 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 Delmar typically reaches 3, which falls under the moderate exposure category.

Data source: Delmar 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 Delmar Compares to Other Months

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

This table compares monthly weather conditions in Delmar, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	66 mm (2.6 inches)	84%	moderate
February Weather	6°C (43°F)	93 mm (3.7 inches)	83%	moderate
March Weather	9°C (48°F)	93 mm (3.7 inches)	83%	high
April Weather	14°C (57°F)	87 mm (3.4 inches)	81%	very high
May Weather	19°C (66°F)	121 mm (4.7 inches)	78%	very high
June Weather	24°C (75°F)	127 mm (5.0 inches)	79%	very high
July Weather	27°C (80°F)	158 mm (6.2 inches)	74%	very high
August Weather	26°C (78°F)	165 mm (6.5 inches)	72%	very high
September Weather	23°C (73°F)	104 mm (4.1 inches)	75%	very high
October Weather	18°C (64°F)	122 mm (4.8 inches)	81%	high
November Weather	10°C (50°F)	83 mm (3.3 inches)	85%	moderate
December Weather	6°C (43°F)	98 mm (3.8 inches)	84%	moderate