June weather forecast
Bethel Island, CA

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Weather in June

The first month of the summer, June, is still a warm month in Bethel Island, California, with an average temperature varying between 55°F (12.8°C) and 84.4°F (29.1°C).

Temperature

Bethel Island's June weather indicates a minor increase in high-temperatures, edging from May's warm 75.6°F (24.2°C) to a still moderately hot 84.4°F (29.1°C). During June, the nighttime temperature presents a clear descent from the daily peaks, falling to an average of 55°F (12.8°C).

Heat index

For June, the heat index is computed to be a tropical 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In Bethel Island, the average relative humidity in June is 53%.

Rainfall

In Bethel Island, in June, it is raining for 1.3 days, with typically 0.08" (2mm) of accumulated precipitation. Throughout the year, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.

Snowfall

In Bethel Island, 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, 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 8:33 pm PDT.

Sunshine

The average sunshine in June is 11.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During June, 6 as the daily maximum UV index converts into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

How hot does it get in June?

The average high-temperature, in June, in Bethel Island, is 84.4°F (29.1°C), while the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in June is computed to be 86°F (30°C).

What is the average humidity in June?

In June, the average relative humidity is 53%.

How much does it rain in June?

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

When it does not snow?

January through November are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What is the average length of the day in June?

In June, the average day length is 14h and 46min.

What time 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 8:33 pm PDT.

How long on average sun shines in June?

The average sunshine duration in June is 11.8h.

When is the highest UV index?

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?

The average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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
Bethel Island, CA

Average temperature in June - Bethel Island, 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
Bethel Island, CA

Average pressure in June - Bethel Island, 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
Bethel Island, CA

Average wind speed in June - Bethel Island, 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
Bethel Island, CA

Average humidity in June - Bethel Island, 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
Bethel Island, CA

Average rainfall in June - Bethel Island, 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
Bethel Island, CA

Average rainfall days in June - Bethel Island, 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
Bethel Island, CA

Average snowfall days in June - Bethel Island, 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
Bethel Island, CA

Average daylight in June / Average sunshine in June - Bethel Island, 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
Bethel Island, CA

Average sunshine days in June - Bethel Island, 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
Bethel Island, CA

Average UV index in June - Bethel Island, 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
Bethel Island, CA

Average cloud cover in June - Bethel Island, 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
Bethel Island, CA

Average visibility in June - Bethel Island, 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).

Bethel Island, California, USA

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