March Weather in Alta, United States

Last updated: June 24, 2025

In March, the average temperature in Alta, United States hovers around 5°C (42°F). The climate can be quite variable, with minimum lows dipping to -8°C (17°F) and maximum highs reaching up to 23°C (73°F). Expect 284 mm (11.2 in) of precipitation spread over 15 days, contributing to an average humidity of 83%. Be prepared for a mix of chilly days and occasional warmth!

March Temperature in Alta

In March in Alta, the average temperature is 5°C (42°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop as low as -8°C (17°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates March temperature patterns in Alta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alta, March typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (73°F) and lows dropping to around -8°C (17°F).

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

March Precipitation in Alta

In Alta in March, the precipitation amount is 284 mm (11.2 in) during a span of 15 days.

March Precipitation Trends in Alta

The chart displays monthly precipitation patterns in Alta, 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 Alta, March typically receives around 284 mm (11.2 inches) of precipitation spread over approximately 15 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 Alta

In Alta in March, humidity is 83%. With an average temperature of 5°C (42°F), this humidity feels like a heavy blanket wrapping around you, making even the simplest outdoor activities feel exhausting and uncomfortable for traveling.

March Average Humidity in Alta

This chart illustrates the average monthly humidity levels in Alta, 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 Alta is approximately 83%, 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 Alta

In Alta in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Alta.

Maximum UV Index Levels in Alta for March

The chart shows the monthly maximum UV Index (UVI) for Alta 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 Alta typically reaches 8, which falls under the very high exposure category.

Data source: Alta 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 Alta Compares to Other Months

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

This table compares monthly weather conditions in Alta, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	289 mm (11.4 inches)	84%	moderate
February Weather	4°C (40°F)	295 mm (11.6 inches)	84%	moderate
March Weather	5°C (42°F)	284 mm (11.2 inches)	83%	very high
April Weather	9°C (49°F)	140 mm (5.5 inches)	81%	very high
May Weather	13°C (56°F)	90 mm (3.5 inches)	74%	extreme
June Weather	19°C (66°F)	20 mm (0.8 inches)	64%	extreme
July Weather	23°C (74°F)	3 mm (0.1 inches)	44%	extreme
August Weather	22°C (72°F)	6 mm (0.2 inches)	36%	very high
September Weather	18°C (65°F)	25 mm (1.0 inches)	44%	very high
October Weather	12°C (55°F)	77 mm (3.0 inches)	65%	high
November Weather	8°C (46°F)	163 mm (6.4 inches)	84%	moderate
December Weather	4°C (39°F)	225 mm (8.8 inches)	83%	moderate