June weather forecastSignal Hill, CA
June
Weather in June
The first month of the summer, June, is also an agreeable month in Signal Hill, California, with an average temperature fluctuating between 73°F (22.8°C) and 59.2°F (15.1°C).Temperature
Signal Hill greets June with an average high-temperature of a still pleasant 73°F (22.8°C), marking a slight deviation from the preceding month. Signal Hill's nights in June cool down to an average low-temperature of 59.2°F (15.1°C).Humidity
June is the most humid month, with an average relative humidity of 71%.Rainfall
The month with the least rainfall is June, when the rain falls for 1.8 days and typically collects 0.08" (2mm) of precipitation.Daylight
June has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of June, sunrise is at 5:45 am and sunset at 8:07 pm PDT.
Sunshine
In June, the average sunshine is 11.7h.UV index
The months with the highest UV index in Signal Hill are June through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In June, an average UV index of 6 transforms into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Signal Hill, CA
- Average high temperature in June: 73°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 June: 59.2°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 June
Signal Hill, CA
- Average pressure in June: 29.89"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 June
Signal Hill, CA
- Average wind speed in June: 5.5mph
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 June
Signal Hill, CA
- Average humidity in June: 71%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).
Average rainfall in June
Signal Hill, CA
- Average rainfall in June: 0.08"
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 June
Signal Hill, CA
- Average rainfall days in June: 1.8 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 June /
Average sunshine in June
Signal Hill, CA
- Average daylight in June: 14h and 24min
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 June: 11h and 42min
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 June
Signal Hill, CA
- Average sunshine days in June: 20.8 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 June
Signal Hill, CA
- Average UV index in June: 6
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 June
Signal Hill, CA
- Average cloud cover in June: 14
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 June
Signal Hill, CA
- Average visibility in June: 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).





