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March Weather in Mountain View, United States

Last updated: June 24, 2025

In March, the average temperature in Mountain View, United States hovers around 9°C (49°F). However, prepare for the unexpected, as temperatures can dip to a chilling -14°C (7°F) or rise to a warm 29°C (85°F). During this month, expect about 148 mm (5.8 in) of precipitation over 13 days, accompanied by an average humidity level of 80%. Stay ready for a mix of weather!

March Temperature in Mountain View

In March in Mountain View, the average temperature is 9°C (49°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as -14°C (7°F). This variation makes it essential for travelers to pack layers to comfortably enjoy all outdoor activities.

March Weather in Mountain View: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mountain View, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountain View, March typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (85°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec353849556675797672594641
Data source: Temperature data for Mountain View generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Mountain View

In Mountain View in March, the precipitation amount is 148 mm (5.8 in) occurring over the course of 13 days.

March Precipitation Trends in Mountain View

The chart displays monthly precipitation patterns in Mountain View, 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 Mountain View, March typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec791071481641897780108531227371
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mountain View

In Mountain View in March, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

March Average Humidity in Mountain View

This chart illustrates the average monthly humidity levels in Mountain View, 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 Mountain View is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mountain View

In Mountain View in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Mountain View.

Maximum UV Index Levels in Mountain View for March

The chart shows the monthly maximum UV Index (UVI) for Mountain View 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 Mountain View typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
Data source: Mountain View 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 Mountain View Compares to Other Months

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

This table compares monthly weather conditions in Mountain View, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)79 mm (3.1 inches)83%moderate
February Weather3°C (39°F)107 mm (4.2 inches)81%high
March Weather9°C (49°F)148 mm (5.8 inches)80%high
April Weather13°C (55°F)164 mm (6.5 inches)80%very high
May Weather19°C (66°F)189 mm (7.4 inches)83%extreme
June Weather24°C (75°F)77 mm (3.0 inches)83%extreme
July Weather26°C (79°F)80 mm (3.2 inches)76%extreme
August Weather24°C (76°F)108 mm (4.2 inches)69%very high
September Weather22°C (72°F)53 mm (2.1 inches)68%very high
October Weather15°C (59°F)122 mm (4.8 inches)72%high
November Weather8°C (46°F)73 mm (2.9 inches)83%moderate
December Weather5°C (41°F)71 mm (2.8 inches)86%moderate

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