June weather forecastHerald, CA
June
Weather in June
June, the first month of the summer in Herald, is a hot month, with an average temperature fluctuating between 88.2°F (31.2°C) and 56.7°F (13.7°C).Temperature
The beginning of June marks a shift in the average high-temperature, moving from May's moderately hot 77.7°F (25.4°C) to a tropical 88.2°F (31.2°C). During June, Herald reports a marked contrast from daily peak temperatures, with an average nighttime reading of 56.7°F (13.7°C).Heat index
In June, the heat index is estimated at a hot 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Herald, California, the average relative humidity in June is 48%.Rainfall
In Herald, in June, during 0.9 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, there are 63.8 rainfall days, and 12.6" (320mm) of precipitation is accumulated.Snowfall
In Herald, snow does not fall in January through November.Daylight
June has the longest days of the year, with an average of 14h and 48min of daylight.On the first day of June, sunrise is at 5:42 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:32 pm PDT.
Sunshine
The average sunshine in June is 11.8h.UV index
June is the month with the highest UV index, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In June, the maximum UV index of 7 transforms into these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Herald, CA
- Average high temperature in June: 88.2°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in June: 56.7°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in June
Herald, CA
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Herald, CA
- Average wind speed in June: 5.8mph
The windiest months (with the highest average wind speed) are February and June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in June
Herald, CA
- Average humidity in June: 48%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (45%).
Average rainfall in June
Herald, CA
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in June
Herald, CA
- Average rainfall days in June: 0.9 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in June
Herald, CA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in June /
Average sunshine in June
Herald, CA
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 11h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in June
Herald, CA
- Average sunshine days in June: 28.5 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in June
Herald, CA
- Average UV index in June: 7
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in June
Herald, CA
- Average cloud cover in June: 10
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in June
Herald, 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).





