nomadseason

March Weather in Hayward, United States

Last updated: June 24, 2025

In March, the average temperature in Hayward, United States hovers around -2°C (29°F). However, temperatures can swing dramatically, with minimums plummeting to -26°C (-15°F) and maximums reaching a surprisingly mild 17°C (63°F). During this month, expect about 49 mm (1.9 in) of precipitation spread over 7 days, coupled with a chilly average humidity of 86%. Stay prepared for a brisk yet variable climate!

March Temperature in Hayward

In March in Hayward, the average temperature is -2°C (29°F), with a maximum reaching 17°C (63°F) and a minimum dropping as low as -26°C (-15°F). Be prepared for a wide range of temperatures and pack accordingly when traveling to Hayward.

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

The chart illustrates March temperature patterns in Hayward, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hayward, March typically has an average temperature of -2°C (29°F), with highs reaching up to 17°C (63°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec141429405667716761463021
Data source: Temperature data for Hayward generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Hayward

In Hayward in March, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

March Precipitation Trends in Hayward

The chart displays monthly precipitation patterns in Hayward, 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 Hayward, March typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2640498810494100113104944661
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Hayward

In Hayward in March humidity is 86%. With an average temperature of -2°C (29°F), this humidity feels like a damp chill that seeps through layers of clothing, making outdoor activities uncomfortable and travel plans challenging.

March Average Humidity in Hayward

This chart illustrates the average monthly humidity levels in Hayward, 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 Hayward is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Hayward

In Hayward in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hayward.

Maximum UV Index Levels in Hayward for March

The chart shows the monthly maximum UV Index (UVI) for Hayward 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 Hayward typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Hayward 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 Hayward Compares to Other Months

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

This table compares monthly weather conditions in Hayward, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)26 mm (1.0 inches)88%low
February Weather-10°C (15°F)40 mm (1.6 inches)89%moderate
March Weather-2°C (29°F)49 mm (1.9 inches)86%moderate
April Weather4°C (40°F)88 mm (3.5 inches)85%high
May Weather13°C (56°F)104 mm (4.1 inches)79%very high
June Weather19°C (67°F)94 mm (3.7 inches)80%very high
July Weather22°C (71°F)100 mm (3.9 inches)80%very high
August Weather20°C (68°F)113 mm (4.5 inches)78%very high
September Weather16°C (61°F)104 mm (4.1 inches)80%high
October Weather8°C (46°F)94 mm (3.7 inches)84%moderate
November Weather-1°C (31°F)46 mm (1.8 inches)89%moderate
December Weather-6°C (21°F)61 mm (2.4 inches)85%low

Compare Hayward's Climate with Cities Worldwide