March weather forecastSignal Hill, CA
March
Weather in March
March, the first month of the spring in Signal Hill, is still a comfortable month, with an average temperature ranging between max 66.4°F (19.1°C) and min 53.1°F (11.7°C).Temperature
The shift into March finds Signal Hill at an average high-temperature of a still enjoyable 66.4°F (19.1°C), closely comparable to February's conditions. Throughout March, an average nighttime temperature of 53.1°F (11.7°C) is experienced.Humidity
In March, the average relative humidity is 64%.Rainfall
In March, the rain falls for 6 days. Throughout March, 0.67" (17mm) of precipitation is accumulated. In Signal Hill, California, during the entire year, the rain falls for 47.2 days and collects up to 5.59" (142mm) of precipitation.Daylight
The average length of the day in March is 12h and 0min.On the first day of the month, sunrise is at 6:19 am and sunset at 5:49 pm PST. On the last day of March, sunrise is at 6:40 am and sunset at 7:13 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
In March, the average sunshine in Signal Hill is 8.8h.UV index
In Signal Hill, the average daily maximum UV index in March is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 5 in March translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Signal Hill, CA
- Average high temperature in March: 66.4°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in March: 53.1°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in March
Signal Hill, CA
- Average pressure in March: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in March
Signal Hill, CA
- Average wind speed in March: 5.9mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5mph).
Average humidity in March
Signal Hill, CA
- Average humidity in March: 64%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).
Average rainfall in March
Signal Hill, CA
- Average rainfall in March: 0.67"
The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in March
Signal Hill, CA
- Average rainfall days in March: 6 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.8 days).
Average daylight in March /
Average sunshine in March
Signal Hill, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in March: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in March
Signal Hill, CA
- Average sunshine days in March: 24.7 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is June (20.8 days).
Average UV index in March
Signal Hill, CA
- Average UV index in March: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in March
Signal Hill, CA
- Average cloud cover in March: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in March
Signal Hill, 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).





