June weather forecast
Port San Luis, CA

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Weather in June

June, the first month of the summer in Port San Luis, is a moderately hot month, with an average temperature varying between 55°F (12.8°C) and 76.6°F (24.8°C).

Temperature

June marks a minor ascent in the average high-temperature, adjusting from May's pleasant 71.2°F (21.8°C) to a warm 76.6°F (24.8°C). Nighttime temperatures exhibit a substantial dip from daytime highs during June, averaging at a cool 55°F (12.8°C).

Humidity

In Port San Luis, the average relative humidity in June is 61%.

Rainfall

June and August are months with the least rain when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

With an average of 14h and 30min of daylight, June has the longest days of the year in Port San Luis.
On the first day of June in Port San Luis, sunrise is at 5:49 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:21 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 in Port San Luis, California. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in June translates into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the usual temperature for Port San Luis in June?

Port San Luis in June has an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 55°F (12.8°C).

What is the average humidity in June in Port San Luis?

In June, the average relative humidity in Port San Luis is 61%.

What is the driest month in Port San Luis?

June and August are months with the least rain in Port San Luis when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in June in Port San Luis?

In Port San Luis, in June, it is raining for 1.1 days, with typically 0.04" (1mm) of accumulated precipitation.

When are the longest days in Port San Luis?

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

What is the average length of the day in June in Port San Luis?

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

When is the sunrise / sunset in June in Port San Luis?

In June, on the first day of the month, sunrise is at 5:49 am and sunset at 8:12 pm. On the last day of the month, in Port San Luis, sunrise is at 5:52 am and sunset at 8:21 pm PDT.

What is the month with the most sunshine in Port San Luis?

June through August, with an average of 12h of sunshine, are months with the most sunshine in Port San Luis.

How long on average sun shines in June in Port San Luis?

The average sunshine duration in June is 12h.

What are the months with the highest UV index in Port San Luis?

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

How high is the UV index in June in Port San Luis?

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
Port San Luis, CA

Average temperature in June - Port San Luis, CA
  • Average high temperature in June: 76.6°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).

  • Average low temperature in June: 55°F

The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).

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Average pressure in June
Port San Luis, CA

Average pressure in June - Port San Luis, 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).

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Average wind speed in June
Port San Luis, CA

Average wind speed in June - Port San Luis, CA
  • Average wind speed in June: 6.2mph

The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

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Average humidity in June
Port San Luis, CA

Average humidity in June - Port San Luis, CA
  • Average humidity in June: 61%

The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).

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Average rainfall in June
Port San Luis, CA

Average rainfall in June - Port San Luis, CA
  • Average rainfall in June: 0.04"

The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in June
Port San Luis, CA

Average rainfall days in June - Port San Luis, CA
  • Average rainfall days in June: 1.1 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).

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Average daylight in June /
Average sunshine in June
Port San Luis, CA

Average daylight in June / Average sunshine in June - Port San Luis, 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).

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Average sunshine days in June
Port San Luis, CA

Average sunshine days in June - Port San Luis, CA
  • Average sunshine days in June: 28.3 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).

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Average UV index in June
Port San Luis, CA

Average UV index in June - Port San Luis, CA
  • Average UV index in June: 6

The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).

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Average cloud cover in June
Port San Luis, CA

Average cloud cover in June - Port San Luis, CA
  • Average cloud cover in June: 8

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).

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Average visibility in June
Port San Luis, CA

Average visibility in June - Port San Luis, 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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Port San Luis, California, USA

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