June weather forecast
Grover Beach, CA

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Weather in June

The first month of the summer, June, is a moderately hot month in Grover Beach, California, with an average temperature fluctuating between 75.4°F (24.1°C) and 55°F (12.8°C).

Temperature

At the start of June, Grover Beach's average high-temperature reaches a moderately hot 75.4°F (24.1°C), subtly different from the preceding month. During June, the average low-temperature is a cool 55°F (12.8°C).

Humidity

In June, the average relative humidity is 63%.

Rainfall

The months with the least rainfall are June and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.

Daylight

June has the longest days of the year, with an average of 14h and 30min of daylight.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:11 pm. On the last day of June, sunrise is at 5:51 am and sunset at 8:20 pm PDT.

Sunshine

The months with the most sunshine are June through August, with an average of 12h of sunshine.

UV index

June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In June, the maximum UV index of 6 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Grover Beach in June?

Grover Beach in June has an average high-temperature of 75.4°F (24.1°C) and an average low-temperature of 55°F (12.8°C).

What is the average humidity in June?

In June, the average relative humidity is 63%.

What is the driest month?

June and August are months with the least rain when the rain falls for 1 days and typically aggregates up to 0.04" (1mm) of rain.

How much does it rain in June?

In Grover Beach, during June, the rain falls for 1 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When are the longest days?

The month with the longest days is June, with an average of 14h and 30min of daylight.

How many hours of daylight does Grover Beach have in June?

The average day length in June is 14h and 29min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:49 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:20 pm PDT.

What is the month with the most sunshine?

The months with the most sunshine are June through August, with an average of 12h of sunshine.

How many hours of sunshine does Grover Beach have in June?

In June, the average sunshine duration in Grover Beach is 12h.

When is the highest UV index?

June and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in June?

In June, the average daily maximum UV index is 6. A UV Index value 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
Grover Beach, CA

Average temperature in June - Grover Beach, CA
  • Average high temperature in June: 75.4°F

The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in June: 55°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

Average pressure in June
Grover Beach, CA

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in June
Grover Beach, CA

Average wind speed in June - Grover Beach, CA
  • Average wind speed in June: 6.6mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in June
Grover Beach, CA

Average humidity in June - Grover Beach, CA
  • Average humidity in June: 63%

The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).

Average rainfall in June
Grover Beach, CA

Average rainfall in June - Grover Beach, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in June
Grover Beach, CA

Average rainfall days in June - Grover Beach, CA
  • Average rainfall days in June: 1 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).

Average daylight in June /
Average sunshine in June
Grover Beach, CA

Average daylight in June / Average sunshine in June - Grover Beach, CA
  • Average daylight in June: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in June: 12h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

Average sunshine days in June
Grover Beach, CA

Average sunshine days in June - Grover Beach, CA
  • Average sunshine days in June: 28.5 days

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).

Average UV index in June
Grover Beach, CA

Average UV index in June - Grover Beach, CA
  • Average UV index in June: 6

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in June
Grover Beach, CA

Average cloud cover in June - Grover Beach, CA
  • Average cloud cover in June: 9

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in June
Grover Beach, CA

Average visibility in June - Grover Beach, 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).

Grover Beach, California, USA

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