March Weather in Nampa, United States

Last updated: June 24, 2025

In Nampa, United States, the average temperature in March hovers around 8°C (47°F). However, temperatures can vary significantly, with a minimum of -9°C (16°F) and a maximum of 27°C (81°F). During this month, you can expect 34 mm (1.3 in) of precipitation spread over 9 days, accompanied by an average humidity of 85%.

March Temperature in Nampa

In March in Nampa, the average temperature is 8°C (47°F). Maximum can reach 27°C (81°F) and minimum can be as low as -9°C (16°F). Be prepared for a wide range of temperatures when traveling to Nampa in March.

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

The chart illustrates March temperature patterns in Nampa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nampa, March typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (81°F) and lows dropping to around -9°C (16°F).

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

March Precipitation in Nampa

In Nampa in March, the precipitation amount is 34 mm (1.3 in) over the course of 9 days.

March Precipitation Trends in Nampa

The chart displays monthly precipitation patterns in Nampa, 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 Nampa, March typically receives around 34 mm (1.3 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 Nampa

In Nampa in March humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

March Average Humidity in Nampa

This chart illustrates the average monthly humidity levels in Nampa, 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 Nampa is approximately 85%, 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 Nampa

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

Maximum UV Index Levels in Nampa for March

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

Data source: Nampa 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 Nampa Compares to Other Months

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

This table compares monthly weather conditions in Nampa, 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 (34°F)	43 mm (1.7 inches)	88%	moderate
February Weather	3°C (37°F)	41 mm (1.6 inches)	89%	moderate
March Weather	8°C (47°F)	34 mm (1.3 inches)	85%	high
April Weather	12°C (54°F)	34 mm (1.3 inches)	79%	very high
May Weather	16°C (62°F)	35 mm (1.4 inches)	71%	very high
June Weather	22°C (72°F)	19 mm (0.7 inches)	71%	extreme
July Weather	27°C (82°F)	1 mm (0.1 inches)	66%	extreme
August Weather	26°C (79°F)	7 mm (0.3 inches)	50%	very high
September Weather	20°C (68°F)	10 mm (0.4 inches)	48%	very high
October Weather	12°C (53°F)	21 mm (0.8 inches)	65%	high
November Weather	6°C (43°F)	29 mm (1.1 inches)	84%	moderate
December Weather	2°C (35°F)	35 mm (1.4 inches)	87%	low