March Weather in Dumbarton, United States

Last updated: June 24, 2025

In March, the average temperature in Dumbarton, United States hovers around 10°C (50°F). However, be prepared for a range: it can dip to a chilly -5°C (24°F) at its lowest and rise to a warm 30°C (87°F) at its peak. During this month, you can expect about 72 mm (2.8 in) of precipitation spread over 9 days, contributing to an average humidity level of 84%.

March Temperature in Dumbarton

In March in Dumbarton, the average temperature is 10°C (50°F). The maximum can reach 30°C (87°F), and the minimum can be as low as -5°C (24°F). This makes it a great time for travelers to pack layers and enjoy a range of activities from outdoor adventures to cozy indoor explorations.

March Weather in Dumbarton: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Dumbarton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dumbarton, March typically has an average temperature of 10°C (50°F), with highs reaching up to 30°C (87°F) and lows dropping to around -5°C (24°F).

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

March Precipitation in Dumbarton

In Dumbarton in March, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

March Precipitation Trends in Dumbarton

The chart displays monthly precipitation patterns in Dumbarton, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Dumbarton, March typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Dumbarton

In Dumbarton in March, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.

March Average Humidity in Dumbarton

This chart illustrates the average monthly humidity levels in Dumbarton, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Dumbarton is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Dumbarton

In Dumbarton in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dumbarton.

Maximum UV Index Levels in Dumbarton for March

The chart shows the monthly maximum UV Index (UVI) for Dumbarton in March, 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 March, the maximum UV index in Dumbarton typically reaches 7, which falls under the high exposure category.

Data source: Dumbarton March 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 March Weather in Dumbarton Compares to Other Months

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

This table compares monthly weather conditions in Dumbarton, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	68 mm (2.7 inches)	84%	moderate
February Weather	7°C (45°F)	99 mm (3.9 inches)	84%	high
March Weather	10°C (50°F)	72 mm (2.8 inches)	84%	high
April Weather	15°C (60°F)	105 mm (4.1 inches)	82%	very high
May Weather	20°C (69°F)	102 mm (4.0 inches)	82%	very high
June Weather	24°C (76°F)	123 mm (4.9 inches)	83%	very high
July Weather	27°C (81°F)	104 mm (4.1 inches)	79%	very high
August Weather	26°C (78°F)	170 mm (6.7 inches)	77%	very high
September Weather	23°C (74°F)	97 mm (3.8 inches)	75%	very high
October Weather	18°C (64°F)	127 mm (5.0 inches)	81%	high
November Weather	10°C (50°F)	74 mm (2.9 inches)	87%	moderate
December Weather	7°C (44°F)	95 mm (3.7 inches)	85%	moderate