Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
In the transition from February to March, Hillsborough reports an average high-temperature of a still mild 58.8°F (14.9°C), indicating a close resemblance to the prior month. During the month of March, Hillsborough's nighttime temperature lowers to an average of 48.2°F (9°C).Humidity
The average relative humidity in March is 76%.Rainfall
In Hillsborough, in March, during 12.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Hillsborough, during the entire year, the rain falls for 81.5 days and collects up to 12.8" (325mm) of precipitation.Daylight
In Hillsborough, the average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:39 am and sunset at 6:03 pm PST. On the last day of March, sunrise is at 6:54 am and sunset at 7:31 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
The average sunshine in March is 7.8h.UV index
The average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during March translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average March temperature?
What is the average humidity in March?
How much does it rain in March?
How many hours of daylight does Hillsborough have in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
What is the UV index reading in March in Hillsborough?
Average temperature in March
Hillsborough, CA
- Average high temperature in March: 58.8°F
The warmest month (with the highest average high temperature) is September (70.2°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in March: 48.2°F
The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in March
Hillsborough, CA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in March
Hillsborough, CA
- Average wind speed in March: 8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in March
Hillsborough, CA
- Average humidity in March: 76%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in March
Hillsborough, CA
- Average rainfall in March: 2.2"
The wettest month (with the highest rainfall) is February (2.44").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in March
Hillsborough, CA
- Average rainfall days in March: 12.8 days
The month with the highest number of rainy days is March (12.8 days).
The months with the least rainy days are June and July (2.4 days).
Average daylight in March /
Average sunshine in March
Hillsborough, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 7h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in March
Hillsborough, CA
- Average sunshine days in March: 16.3 days
The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is March (16.3 days).
Average UV index in March
Hillsborough, CA
- Average UV index in March: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in March
Hillsborough, CA
- Average cloud cover in March: 36
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and September (Cloud cover 15).
Average visibility in March
Hillsborough, CA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hillsborough, California, USA
Weather forecast for your location
2. Allow the app to use your location