June weather forecast
Graton, CA

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Weather in June

June, the first month of the summer in Graton, is a moderately hot month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 53.1°F (11.7°C).

Temperature

June's onset witnesses a minor shift in the average high-temperature, moving from a pleasant 69.1°F (20.6°C) in May to a moderately hot 76.3°F (24.6°C). Following the sharp contrast to daytime warmth, an average nighttime temperature of 53.1°F (11.7°C) gets registered in Graton, California, during June.

Humidity

In Graton, the average relative humidity in June is 65%.

Rainfall

In Graton, during June, the rain falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of precipitation. Throughout the year, there are 72.8 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year in Graton.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:30 pm. On the last day of June, in Graton, sunrise is at 5:51 am and sunset at 8:39 pm PDT.

Sunshine

In Graton, the average sunshine in June is 11.6h.

UV index

With an average maximum UV index of 6, June is the month with the highest UV index in Graton. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 in June translates into these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What is the usual temperature for Graton in June?

The average high-temperature, in June, in Graton, is 76.3°F (24.6°C), while the average low-temperature is 53.1°F (11.7°C).

What is the average humidity in June in Graton?

In Graton, California, the average relative humidity in June is 65%.

How many days does it rain in June in Graton?

In Graton, during June, the rain falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of precipitation.

When are the longest days in Graton?

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

How many hours of daylight does Graton have in June?

In Graton, the average day length in June is 14h and 48min.

When is the sunrise / sunset in June in Graton?

In June, on the first day of the month, sunrise is at 5:48 am and sunset at 8:30 pm. On the last day of the month, in Graton, sunrise is at 5:51 am and sunset at 8:39 pm PDT.

How many hours of sunshine does Graton have in June?

The average sunshine duration in June in Graton, California, is 11.6h.

When is the highest UV index in Graton?

With an average maximum UV index of 6, June is the month with the highest UV index.

What is the UV index reading in June in Graton?

In Graton, California, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Graton, CA

Average temperature in June - Graton, CA
  • Average high temperature in June: 76.3°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in June: 53.1°F

The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in June
Graton, CA

Average pressure in June - Graton, CA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in June
Graton, CA

Average wind speed in June - Graton, CA
  • Average wind speed in June: 6.8mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in June
Graton, CA

Average humidity in June - Graton, CA
  • Average humidity in June: 65%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).

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Average rainfall in June
Graton, CA

Average rainfall in June - Graton, CA
  • Average rainfall in June: 0.12"

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in June
Graton, CA

Average rainfall days in June - Graton, CA
  • Average rainfall days in June: 1.9 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in June /
Average sunshine in June
Graton, CA

Average daylight in June / Average sunshine in June - Graton, 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 30min).

  • Average sunshine in June: 11h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in June
Graton, CA

Average sunshine days in June - Graton, CA
  • Average sunshine days in June: 26.5 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

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Average UV index in June
Graton, CA

Average UV index in June - Graton, CA
  • Average UV index in June: 6

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

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Average cloud cover in June
Graton, CA

Average cloud cover in June - Graton, CA
  • Average cloud cover in June: 14

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in June
Graton, CA

Average visibility in June - Graton, 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).

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Graton, California, USA

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