June weather forecast
San Leandro, CA

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Weather in June

The first month of the summer, June, is a warm month in San Leandro, California, with an average temperature ranging between min 53.4°F (11.9°C) and max 75°F (23.9°C).

Temperature

San Leandro's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 68.9°F (20.5°C) in May to a moderately hot 75°F (23.9°C). The average temperature during June nights is registered at a fresh 53.4°F (11.9°C).

Humidity

In San Leandro, the average relative humidity in June is 66%.

Rainfall

In June, in San Leandro, the rain falls for 1.2 days. Throughout June, 0.08" (2mm) of precipitation is accumulated. In San Leandro, during the entire year, the rain falls for 57.7 days and collects up to 5.71" (145mm) of precipitation.

Daylight

The month with the longest days in San Leandro is June, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:25 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:34 pm PDT.

Sunshine

In June, the average sunshine is 11.8h.

UV index

The month with the highest UV index is June, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in June transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What are June temperatures in San Leandro?

June temperatures in San Leandro vary between a high-temperature of 75°F (23.9°C) and a low-temperature of 53.4°F (11.9°C).

What is the average humidity in June in San Leandro?

In June, the average relative humidity in San Leandro is 66%.

How much does it rain in San Leandro in June?

In San Leandro, in June, during 1.2 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

When are the longest days in San Leandro?

The month with the longest days is June, with an average of 14h and 42min of daylight.

What is the average length of the day in June in San Leandro?

In June, the average day length in San Leandro, California, is 14h and 44min.

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

On the first day of June in San Leandro, California, sunrise is at 5:48 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:34 pm PDT.

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

The average sunshine duration in June in San Leandro, California, is 11.8h.

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

June is the month with the highest UV index in San Leandro, with an average maximum UV index of 6.

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

The average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe 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
San Leandro, CA

Average temperature in June - San Leandro, CA
  • Average high temperature in June: 75°F

The warmest months (with the highest average high temperature) are July and September (77.7°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in June: 53.4°F

The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

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Average pressure in June
San Leandro, CA

Average pressure in June - San Leandro, CA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in June
San Leandro, CA

Average wind speed in June - San Leandro, CA
  • Average wind speed in June: 6.5mph

The windiest month (with the highest average wind speed) is May (7mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).

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Average humidity in June
San Leandro, CA

Average humidity in June - San Leandro, CA
  • Average humidity in June: 66%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).

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Average rainfall in June
San Leandro, CA

Average rainfall in June - San Leandro, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is February (1.26").
The driest months (with the least rainfall) are July, August and September (0.04").

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Average rainfall days in June
San Leandro, CA

Average rainfall days in June - San Leandro, CA
  • Average rainfall days in June: 1.2 days

The month with the highest number of rainy days is March (10.2 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
San Leandro, CA

Average daylight in June / Average sunshine in June - San Leandro, 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 5min

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 54min).

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Average sunshine days in June
San Leandro, CA

Average sunshine days in June - San Leandro, CA
  • Average sunshine days in June: 25.3 days

The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is March (19.1 days).

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Average UV index in June
San Leandro, CA

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

The month with the highest UV index is June (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
San Leandro, CA

Average cloud cover in June - San Leandro, CA
  • Average cloud cover in June: 13

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in June
San Leandro, CA

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

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