March Weather in Niantic, United States

Last updated: August 27, 2025

In March, the average temperature in Niantic, United States hovers around 4°C (39°F). Expect chilly days with a minimum temperature dipping to -9°C (16°F) and a maximum reaching 16°C (61°F). Rainfall can be expected, with an average precipitation of 106 mm (4.2 in) spread over 9 days—just enough to keep the landscape lush. Moreover, average humidity levels are around 82%, adding to the crisp atmosphere of this vibrant destination.

March Temperature in Niantic

In March in Niantic, the average temperature is 4°C (39°F). The maximum can reach 16°C (61°F), while the minimum can dip as low as -9°C (16°F). Be prepared for a mix of chilly and mild weather if you're planning to travel during this time.

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

The chart illustrates March temperature patterns in Niantic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niantic, March typically has an average temperature of 4°C (39°F), with highs reaching up to 16°C (61°F) and lows dropping to around -9°C (16°F).

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

March Precipitation in Niantic

In Niantic in March, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.

March Precipitation Trends in Niantic

The chart displays monthly precipitation patterns in Niantic, 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 Niantic, March typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 9 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 Niantic

In Niantic in March, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

March Average Humidity in Niantic

This chart illustrates the average monthly humidity levels in Niantic, 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 Niantic is approximately 82%, 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 Niantic

In Niantic 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 Niantic, you can refer to this Hourly UV Index in Niantic.

Maximum UV Index Levels in Niantic for March

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

Data source: Niantic 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 Niantic Compares to Other Months

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

This table compares monthly weather conditions in Niantic, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	82 mm (3.2 inches)	84%	moderate
February Weather	2°C (36°F)	109 mm (4.3 inches)	84%	moderate
March Weather	4°C (39°F)	106 mm (4.2 inches)	82%	high
April Weather	8°C (47°F)	138 mm (5.4 inches)	79%	very high
May Weather	13°C (55°F)	119 mm (4.7 inches)	75%	very high
June Weather	18°C (65°F)	82 mm (3.2 inches)	78%	very high
July Weather	22°C (72°F)	123 mm (4.8 inches)	76%	very high
August Weather	23°C (73°F)	97 mm (3.8 inches)	76%	very high
September Weather	20°C (68°F)	99 mm (3.9 inches)	75%	very high
October Weather	16°C (60°F)	153 mm (6.0 inches)	75%	high
November Weather	9°C (48°F)	108 mm (4.3 inches)	80%	moderate
December Weather	4°C (40°F)	146 mm (5.8 inches)	80%	low