June weather forecast
Fairfield, CA

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Weather in June

The first month of the summer, June, is also a moderately hot month in Fairfield, California, with an average temperature fluctuating between 55°F (12.8°C) and 83.7°F (28.7°C).

Temperature

The onset of June marks a slight increase in the average high-temperature, moving from 74.8°F (23.8°C) in May to a still warm 83.7°F (28.7°C). Despite soaring daytime temperatures, Fairfield registers a consistent average low-temperature of 55°F (12.8°C) in June.

Heat index

For most parts of June, the heat index is appraised at a hot 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Fairfield, the average relative humidity in June is 55%.

Rainfall

In June, the rain falls for 1.9 days. Throughout June, 0.08" (2mm) of precipitation is accumulated. Throughout the year, there are 71.4 rainfall days, and 12.13" (308mm) of precipitation is accumulated.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year.
On the first day of June in Fairfield, sunrise is at 5:46 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:35 pm PDT.

Sunshine

The average sunshine in June in Fairfield is 11.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Fairfield. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

Is it hot in Fairfield during June?

The average high-temperature, in June, in Fairfield, is 83.7°F (28.7°C), while the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in June is appraised at 86°F (30°C).

What is the average humidity in June in Fairfield?

In June, the average relative humidity in Fairfield, California, is 55%.

How many days does it rain in June in Fairfield?

In June, in Fairfield, California, the rain falls for 1.9 days. Throughout June, 0.08" (2mm) of precipitation is accumulated.

When are the longest days in Fairfield?

With an average of 14h and 48min of daylight, June has the longest days of the year in Fairfield.

How many hours of daylight does Fairfield have in June?

In June, the average day length is 14h and 47min.

When is the sunrise / sunset in June in Fairfield?

On the first day of June in Fairfield, California, sunrise is at 5:46 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:35 pm PDT.

How long on average sun shines in June in Fairfield?

In Fairfield, the average sunshine duration in June is 11.7h.

What are the months with the highest UV index in Fairfield?

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

How high is the UV index in June in Fairfield?

In Fairfield, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Fairfield, CA

Average temperature in June - Fairfield, CA
  • Average high temperature in June: 83.7°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (54.9°F).

  • Average low temperature in June: 55°F

The month with the highest average low temperature is September (57.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in June
Fairfield, CA

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

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

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Average wind speed in June
Fairfield, CA

Average wind speed in June - Fairfield, CA
  • Average wind speed in June: 7mph

The windiest months (with the highest average wind speed) are May, June and July (7mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).

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Average humidity in June
Fairfield, CA

Average humidity in June - Fairfield, CA
  • Average humidity in June: 55%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (52%).

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Average rainfall in June
Fairfield, CA

Average rainfall in June - Fairfield, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is February (2.4").
The driest month (with the least rainfall) is August (0").

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Average rainfall days in June
Fairfield, CA

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

The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is August (0.7 days).

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

Average daylight in June / Average sunshine in June - Fairfield, 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 4min

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 42min).

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Average sunshine days in June
Fairfield, CA

Average sunshine days in June - Fairfield, CA
  • Average sunshine days in June: 28 days

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (17 days).

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Average UV index in June
Fairfield, CA

Average UV index in June - Fairfield, 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).

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Average cloud cover in June
Fairfield, CA

Average cloud cover in June - Fairfield, CA
  • Average cloud cover in June: 12

The months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in June
Fairfield, CA

Average visibility in June - Fairfield, 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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Fairfield, California, USA

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