June weather forecast
London, CA

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Weather in June

June, the first month of the summer in London, is a tropical month, with an average temperature ranging between min 61.2°F (16.2°C) and max 93°F (33.9°C).

Temperature

June brings a rise in London's average high-temperature, moving from a warm 81°F (27.2°C) in May to a tropical 93°F (33.9°C). London's average nighttime temperatures present a clear contrast to its daytime highs, measured at an enjoyable 61.2°F (16.2°C) in June.

Humidity

The average relative humidity in June is 35%.

Rainfall

The months with the least rainfall in London, California, are June and August Rain falls for 1.8 days and accumulates 0.08" (2mm) of rain.

Snowfall

January, March through December are months without snowfall in London.

Daylight

The month with the longest days in London is June, with an average of 14h and 36min of daylight.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:10 pm. On the last day of June, in London, California, sunrise is at 5:43 am and sunset at 8:19 pm PDT.

Sunshine

The months with the most sunshine are June and July, with an average of 12.1h of sunshine.

UV index

The months with the highest UV index in London are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In June, the maximum UV index of 7 suggests this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

How hot is it in London in June?

The high-temperature, in June, in London, records 93°F (33.9°C), while the low-temperature is 61.2°F (16.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in May is appraised at 80.6°F (27°C).

What is the average humidity in June in London?

In June, the average relative humidity in London is 35%.

What is the driest month in London?

June and August are months with the least rain in London when the rain falls for 1.8 days and typically aggregates up to 0.08" (2mm) of rain.

How much does it rain in London in June?

In June, in London, California, the rain falls for 1.8 days. Throughout June, 0.08" (2mm) of precipitation is accumulated.

When it does not snow in London?

In London, snow does not fall in January, March through December.

When are the longest days in London?

June has the longest days of the year in London, with an average of 14h and 36min of daylight.

What is the average length of the day in June in London?

In London, California, the average day length in June is 14h and 37min.

When is the sunrise / sunset in June in London?

On the first day of June in London, sunrise is at 5:40 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:19 pm PDT.

What are the months with the most sunshine in London?

The months with the most sunshine in London are June and July, with an average of 12.1h of sunshine.

How long on average sun shines in June in London?

In London, the average sunshine duration in June is 12.1h.

What is the month with the highest UV index in London?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in June in London?

The average daily maximum UV index in June is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
London, CA

Average temperature in June - London, CA
  • Average high temperature in June: 93°F

The warmest month (with the highest average high temperature) is July (100.4°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in June: 61.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).

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Average pressure in June
London, CA

Average pressure in June - London, CA
  • Average pressure in June: 29.88"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in June
London, CA

Average wind speed in June - London, CA
  • Average wind speed in June: 5.8mph

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.1mph).

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Average humidity in June
London, CA

Average humidity in June - London, CA
  • Average humidity in June: 35%

The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are July and August (30%).

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Average rainfall in June
London, CA

Average rainfall in June - London, CA
  • Average rainfall in June: 0.08"

The wettest month (with the highest rainfall) is March (2.6").
The driest months (with the least rainfall) are June and August (0.08").

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Average rainfall days in June
London, CA

Average rainfall days in June - London, CA
  • Average rainfall days in June: 1.8 days

The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is August (0.9 days).

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Average snowfall days in June
London, CA

Average snowfall days in June - London, CA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in June /
Average sunshine in June
London, CA

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in June: 12h and 1min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in June
London, CA

Average sunshine days in June - London, CA
  • Average sunshine days in June: 27.9 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (19.5 days).

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Average UV index in June
London, CA

Average UV index in June - London, CA
  • Average UV index in June: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in June
London, CA

Average cloud cover in June - London, CA
  • Average cloud cover in June: 6

The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in June
London, CA

Average visibility in June - London, 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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London, California, USA

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