June weather forecast
Discovery Bay, CA

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Weather in June

June, the first month of the summer in Discovery Bay, is also a moderately hot month, with an average temperature fluctuating between 84.4°F (29.1°C) and 55°F (12.8°C).

Temperature

As June sets, the average high-temperature shows a slight increase, moving up from a warm 75.6°F (24.2°C) in May to a still moderately hot 84.4°F (29.1°C). In stark contrast to the day's heat, the temperature dips to an average of 55°F (12.8°C) during June nights.

Heat index

The average heat index in June is evaluated at a tropical 86°F (30°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

The average relative humidity in June in Discovery Bay is 53%.

Rainfall

In June, the rain falls for 1.3 days. Throughout June, 0.08" (2mm) of precipitation is accumulated. Throughout the year, in Discovery Bay, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

In Discovery Bay, snow does not fall in January through November.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of June in Discovery Bay, sunrise is at 5:45 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:32 pm PDT.

Sunshine

In June, the average sunshine is 11.8h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during June leads to these instructions:
Fend off overexposure. Sun protection is vital. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

How hot is it in June?

In Discovery Bay, in June, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 55°F (12.8°C). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in June?

The average relative humidity in June is 53%.

How much does it rain in June?

In Discovery Bay, in June, it is raining for 1.3 days, with typically 0.08" (2mm) of accumulated precipitation.

When it does not snow?

In Discovery Bay, snow does not fall in January through November.

When are the longest days?

June has the longest days of the year in Discovery Bay, with an average of 14h and 48min of daylight.

What is the average length of the day in June in Discovery Bay?

In Discovery Bay, the average day length in June is 14h and 45min.

When are sunrise and sunset in June?

On the first day of June, sunrise is at 5:45 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:32 pm PDT.

How many hours of sunshine does Discovery Bay have in June?

In Discovery Bay, California, the average sunshine duration in June is 11.8h.

When is the highest UV index in Discovery Bay?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in June?

In Discovery Bay, the average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Discovery Bay, CA

Average temperature in June - Discovery Bay, CA
  • Average high temperature in June: 84.4°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in June: 55°F

The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in June
Discovery Bay, CA

Average pressure in June - Discovery Bay, CA
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in June
Discovery Bay, CA

Average wind speed in June - Discovery Bay, CA
  • Average wind speed in June: 7.8mph

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

Average humidity in June
Discovery Bay, CA

Average humidity in June - Discovery Bay, CA
  • Average humidity in June: 53%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).

Average rainfall in June
Discovery Bay, CA

Average rainfall in June - Discovery Bay, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in June
Discovery Bay, CA

Average rainfall days in June - Discovery Bay, CA
  • Average rainfall days in June: 1.3 days

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).

Average snowfall days in June
Discovery Bay, CA

Average snowfall days in June - Discovery Bay, 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
Discovery Bay, CA

Average daylight in June / Average sunshine in June - Discovery Bay, CA
  • Average daylight in June: 14h and 5min

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 5min

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 48min).

Average sunshine days in June
Discovery Bay, CA

Average sunshine days in June - Discovery Bay, CA
  • Average sunshine days in June: 28.5 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).

Average UV index in June
Discovery Bay, CA

Average UV index in June - Discovery Bay, CA
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in June
Discovery Bay, CA

Average cloud cover in June - Discovery Bay, CA
  • Average cloud cover in June: 11

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in June
Discovery Bay, CA

Average visibility in June - Discovery Bay, 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).

Discovery Bay, California, USA

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