June weather forecastSan Antonio Heights, CA
June
Weather in June
June, the first month of the summer in San Antonio Heights, is still a warm month, with an average temperature fluctuating between 58.5°F (14.7°C) and 84°F (28.9°C).Temperature
Observing a minor shift, the average high-temperature during June adjusts from May's 76.6°F (24.8°C) to a still moderately hot 84°F (28.9°C). In June, the temperature sees a substantial plunge from daytime highs to a low average of 58.5°F (14.7°C).Heat index
For June, the heat index is estimated at a hot 86°F (30°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
The average relative humidity in June is 51%.Rainfall
June is the month with the least rainfall. Rain falls for 1.2 days and accumulates 0.04" (1mm) of precipitation.Snowfall
January, March through December are months without snowfall.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 5:39 am and sunset at 7:57 pm. On the last day of June, sunrise is at 5:42 am and sunset at 8:06 pm PDT.
Sunshine
In San Antonio Heights, the average sunshine in June is 12h.UV index
In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during June translates into the following guidance:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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
San Antonio Heights, CA
- Average high temperature in June: 84°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is December (62.1°F).
- Average low temperature in June: 58.5°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in June
San Antonio Heights, CA
- Average pressure in June: 29.86"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in June
San Antonio Heights, CA
- Average wind speed in June: 5.4mph
The windiest months (with the highest average wind speed) are April and May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in June
San Antonio Heights, CA
- Average humidity in June: 51%
The months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (42%).
Average rainfall in June
San Antonio Heights, CA
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in June
San Antonio Heights, CA
- Average rainfall days in June: 1.2 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).
Average snowfall days in June
San Antonio Heights, CA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in June /
Average sunshine in June
San Antonio Heights, 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: 9h and 54min).
- Average sunshine in June: 12h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in June
San Antonio Heights, CA
- Average sunshine days in June: 28.2 days
The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in June
San Antonio Heights, CA
- Average UV index in June: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in June
San Antonio Heights, CA
- Average cloud cover in June: 7
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in June
San Antonio Heights, 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).
