June weather forecast
Half Moon Bay, CA

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A warm and sunny day on a scenic beach in Half Moon Bay, California
A warm and sunny day on a scenic beach in Half Moon Bay, California

Weather in June

June, the first month of the summer in Half Moon Bay, is a comfortable month, with an average temperature fluctuating between 63.7°F (17.6°C) and 53.6°F (12°C).

Temperature

With the transition into June, Half Moon Bay notes an average high-temperature of a still refreshing 63.7°F (17.6°C), closely resembling May. Half Moon Bay encounters a steady low-temperature average of 53.6°F (12°C) throughout the month of June.

Humidity

The average relative humidity in June is 79%.

Rainfall

June and July are months with the least rain when the rain falls for 3 days and typically aggregates up to 0.12" (3mm) of rain.

Daylight

The month with the longest days is June, with an average of 14h and 42min of daylight.
On the first day of June in Half Moon Bay, sunrise is at 5:49 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:34 pm PDT.

Sunshine

In June, the average sunshine is 11.2h.

UV index

June, August and September, with an average maximum UV index of 5, are months with the highest UV index in Half Moon Bay, California. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in June interprets into the following advice:
Heed the precautions - It is counselled to guard against solar damage. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

What are June temperatures in Half Moon Bay?

During June, Half Moon Bay experiences an average high-temperature of 63.7°F (17.6°C) and a low-temperature of 53.6°F (12°C).

What is the average humidity in June in Half Moon Bay?

In June, the average relative humidity in Half Moon Bay is 79%.

What is the driest month in Half Moon Bay?

June and July are months with the least rain in Half Moon Bay, California, when the rain falls for 3 days and typically aggregates up to 0.12" (3mm) of rain.

How much does it rain in Half Moon Bay in June?

In June, in Half Moon Bay, the rain falls for 3 days. Throughout June, 0.12" (3mm) of precipitation is accumulated.

When are the longest days in Half Moon Bay?

With an average of 14h and 42min of daylight, June has the longest days of the year.

How many hours of daylight does Half Moon Bay have in June?

The average day length in June in Half Moon Bay is 14h and 43min.

When are sunrise and sunset in June in Half Moon Bay?

On the first day of June in Half Moon Bay, sunrise is at 5:49 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:34 pm PDT.

How many hours of sunshine does Half Moon Bay have in June?

In Half Moon Bay, California, the average sunshine duration in June is 11.2h.

What is the month with the highest UV index in Half Moon Bay?

June, August and September, with an average maximum UV index of 5, are months with the highest UV index in Half Moon Bay.

What is the UV index intensity in June in Half Moon Bay?

In Half Moon Bay, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Half Moon Bay, CA

Average temperature in June - Half Moon Bay, CA
  • Average high temperature in June: 63.7°F

The warmest month (with the highest average high temperature) is September (66.9°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in June: 53.6°F

The month with the highest average low temperature is September (56.7°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure in June
Half Moon Bay, CA

Average pressure in June - Half Moon Bay, 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
Half Moon Bay, CA

Average wind speed in June - Half Moon Bay, CA
  • Average wind speed in June: 8.4mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in June
Half Moon Bay, CA

Average humidity in June - Half Moon Bay, CA
  • Average humidity in June: 79%

The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).

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Average rainfall in June
Half Moon Bay, CA

Average rainfall in June - Half Moon Bay, CA
  • Average rainfall in June: 0.12"

The wettest month (with the highest rainfall) is February (1.61").
The driest months (with the least rainfall) are June and July (0.12").

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Average rainfall days in June
Half Moon Bay, CA

Average rainfall days in June - Half Moon Bay, CA
  • Average rainfall days in June: 3 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (3 days).

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Average daylight in June /
Average sunshine in June
Half Moon Bay, CA

Average daylight in June / Average sunshine in June - Half Moon Bay, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in June
Half Moon Bay, CA

Average sunshine days in June - Half Moon Bay, CA
  • Average sunshine days in June: 23.4 days

The month with the most sunshine days is October (24.6 days).
The months with the least sunshine days are March and August (18.8 days).

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Average UV index in June
Half Moon Bay, CA

Average UV index in June - Half Moon Bay, CA
  • Average UV index in June: 5

The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, May, July, October, November and December (UV index 4).

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Average cloud cover in June
Half Moon Bay, CA

Average cloud cover in June - Half Moon Bay, CA
  • Average cloud cover in June: 21

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in June
Half Moon Bay, CA

Average visibility in June - Half Moon 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).

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Half Moon Bay, California, USA

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