March Weather in Summit, United States

Last updated: June 24, 2025

In March, the average temperature in Summit, United States hovers around 4°C (39°F), with a range that can dip to a chilling -18°C (-1°F) or reach up to a balmy 23°C (74°F). Expect 11 days of precipitation, totaling about 95 mm (3.7 in), alongside an average humidity level of 84%. Prepare for varied weather as you explore!

March Temperature in Summit

In March in Summit, the average temperature is 4°C (39°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as -18°C (-1°F). This diverse temperature range means it's essential to pack layers for your travels to Summit to stay comfortable in varying conditions.

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

The chart illustrates March temperature patterns in Summit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summit, March typically has an average temperature of 4°C (39°F), with highs reaching up to 23°C (74°F) and lows dropping to around -18°C (-1°F).

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

March Precipitation in Summit

In Summit in March, the total precipitation amount is 95 mm (3.7 in) spread over 11 days.

March Precipitation Trends in Summit

The chart displays monthly precipitation patterns in Summit, 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 Summit, March typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 11 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 Summit

In Summit in March, 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.

March Average Humidity in Summit

This chart illustrates the average monthly humidity levels in Summit, 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 Summit 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 Summit

In Summit in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Summit, you can refer to this Hourly UV Index in Summit.

Maximum UV Index Levels in Summit for March

The chart shows the monthly maximum UV Index (UVI) for Summit 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 Summit typically reaches 6, which falls under the high exposure category.

Data source: Summit 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 Summit Compares to Other Months

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

This table compares monthly weather conditions in Summit, 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 (27°F)	68 mm (2.7 inches)	82%	moderate
February Weather	-2°C (29°F)	70 mm (2.7 inches)	83%	moderate
March Weather	4°C (39°F)	95 mm (3.7 inches)	84%	high
April Weather	8°C (47°F)	125 mm (4.9 inches)	85%	very high
May Weather	15°C (59°F)	156 mm (6.1 inches)	79%	very high
June Weather	21°C (70°F)	144 mm (5.7 inches)	82%	very high
July Weather	24°C (75°F)	104 mm (4.1 inches)	80%	very high
August Weather	23°C (73°F)	84 mm (3.3 inches)	81%	very high
September Weather	20°C (68°F)	78 mm (3.1 inches)	80%	very high
October Weather	13°C (55°F)	142 mm (5.6 inches)	82%	high
November Weather	4°C (40°F)	65 mm (2.6 inches)	88%	moderate
December Weather	1°C (34°F)	63 mm (2.5 inches)	84%	low