June weather forecast
San Carlos, CA

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Weather in June

June, the first month of the summer in San Carlos, is a pleasant month, with an average temperature fluctuating between 53.2°F (11.8°C) and 70.3°F (21.3°C).

Temperature

June's weather records an average high-temperature of an agreeable 70.3°F (21.3°C), showing little deviation from May. The mean low-temperature during June nights is a cool 53.2°F (11.8°C).

Humidity

In June, the average relative humidity in San Carlos is 71%.

Rainfall

In San Carlos, California, in June, it is raining for 2.2 days, with typically 0.12" (3mm) of accumulated precipitation. In San Carlos, during the entire year, the rain falls for 77.5 days and collects up to 11.22" (285mm) of precipitation.

Daylight

The month with the longest days is June, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:24 pm. On the last day of June, sunrise is at 5:51 am and sunset at 8:34 pm PDT.

Sunshine

The average sunshine in June in San Carlos is 11.7h.

UV index

The months with the highest UV index in San Carlos are June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In June, the maximum UV index of 5 suggests this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What is the average June temperature in San Carlos?

The average high-temperature, in June, in San Carlos, is 70.3°F (21.3°C), while the average low-temperature is 53.2°F (11.8°C).

What is the average humidity in June in San Carlos?

The average relative humidity in June in San Carlos, California, is 71%.

How much does it rain in San Carlos in June?

In San Carlos, in June, it is raining for 2.2 days, with typically 0.12" (3mm) of accumulated precipitation.

When are the longest days in San Carlos?

June has the longest days of the year in San Carlos, with an average of 14h and 42min of daylight.

How many hours of daylight does San Carlos have in June?

In San Carlos, California, the average day length in June is 14h and 43min.

When is the sunrise / sunset in June in San Carlos?

In June, on the first day of the month, sunrise is at 5:49 am and sunset at 8:24 pm. On the last day of the month, in San Carlos, sunrise is at 5:51 am and sunset at 8:34 pm PDT.

How long on average sun shines in June in San Carlos?

The average sunshine duration in June in San Carlos is 11.7h.

What is the month with the highest UV index in San Carlos?

June through September, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in June in San Carlos?

In June, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate 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
San Carlos, CA

Average temperature in June - San Carlos, CA
  • Average high temperature in June: 70.3°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in June: 53.2°F

The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in June
San Carlos, CA

Average pressure in June - San Carlos, CA
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

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Average wind speed in June
San Carlos, CA

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

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).

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Average humidity in June
San Carlos, CA

Average humidity in June - San Carlos, CA
  • Average humidity in June: 71%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in June
San Carlos, CA

Average rainfall in June - San Carlos, CA
  • Average rainfall in June: 0.12"

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in June
San Carlos, CA

Average rainfall days in June - San Carlos, CA
  • Average rainfall days in June: 2.2 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is July (1.8 days).

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Average daylight in June /
Average sunshine in June
San Carlos, CA

Average daylight in June / Average sunshine in June - San Carlos, CA
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in June
San Carlos, CA

Average sunshine days in June - San Carlos, CA
  • Average sunshine days in June: 24.8 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in June
San Carlos, CA

Average UV index in June - San Carlos, CA
  • Average UV index in June: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in June
San Carlos, CA

Average cloud cover in June - San Carlos, CA
  • Average cloud cover in June: 14

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in June
San Carlos, CA

Average visibility in June - San Carlos, 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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San Carlos, California, USA

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