March Weather in Roundup, United States

Last updated: June 24, 2025

In March, the average temperature in Roundup, United States hovers around 2°C (35°F). However, temperatures can range from a stark -33°C (-27°F) at their lowest to a surprising 24°C (76°F) at their highest. Prepare for a bit of dampness, as the precipitation averages 27 mm (1.1 in) over 7 days, accompanied by an average humidity of 77%. Stay warm!

March Temperature in Roundup

In March in Roundup, the average temperature is 2°C (35°F). The maximum can reach 24°C (76°F), and the minimum can be as low as -33°C (-27°F). It's essential to be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates March temperature patterns in Roundup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roundup, March typically has an average temperature of 2°C (35°F), with highs reaching up to 24°C (76°F) and lows dropping to around -33°C (-27°F).

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

March Precipitation in Roundup

In Roundup in March, the precipitation amount is 27 mm (1.1 in) accumulated over 7 days.

March Precipitation Trends in Roundup

The chart displays monthly precipitation patterns in Roundup, 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 Roundup, March typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Roundup

In Roundup in March humidity is 77%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket against the skin, making outdoor activities feel far chillier than the thermometer suggests, which can be quite challenging for traveling.

March Average Humidity in Roundup

This chart illustrates the average monthly humidity levels in Roundup, 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 Roundup is approximately 77%, 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 Roundup

In Roundup in March, 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 Roundup.

Maximum UV Index Levels in Roundup for March

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

Data source: Roundup 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 Roundup Compares to Other Months

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

This table compares monthly weather conditions in Roundup, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	19 mm (0.7 inches)	81%	low
February Weather	-7°C (20°F)	36 mm (1.4 inches)	85%	moderate
March Weather	2°C (35°F)	27 mm (1.1 inches)	77%	moderate
April Weather	6°C (43°F)	61 mm (2.4 inches)	72%	very high
May Weather	12°C (55°F)	65 mm (2.6 inches)	75%	very high
June Weather	19°C (66°F)	69 mm (2.7 inches)	78%	very high
July Weather	23°C (75°F)	22 mm (0.9 inches)	79%	very high
August Weather	22°C (72°F)	20 mm (0.8 inches)	76%	very high
September Weather	16°C (62°F)	38 mm (1.5 inches)	67%	very high
October Weather	7°C (46°F)	34 mm (1.3 inches)	69%	moderate
November Weather	2°C (37°F)	23 mm (0.9 inches)	78%	moderate
December Weather	-2°C (29°F)	26 mm (1.0 inches)	85%	low