June weather forecast
Wilton, CA

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Weather in June

The first month of the summer, June, is a tropical month in Wilton, California, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 88.3°F (31.3°C).

Temperature

The beginning of June marks a shift in the average high-temperature, moving from May's warm 77.5°F (25.3°C) to a hot 88.3°F (31.3°C). Wilton registers a pronounced decline from daytime peak temperatures, averaging a moderate 56.8°F (13.8°C) lows in June.

Heat index

The heat index in June is computed to be a tropical 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In Wilton, the average relative humidity in June is 48%.

Rainfall

In Wilton, in June, it is raining for 1.4 days, with typically 0.16" (4mm) of accumulated precipitation. Throughout the year, in Wilton, there are 73.3 rainfall days, and 15.63" (397mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall in Wilton.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year.
On the first day of June in Wilton, California, sunrise is at 5:42 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:33 pm PDT.

Sunshine

In Wilton, the average sunshine in June is 11.8h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In June, a daily maximum UV index of 7 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

How hot is June in Wilton?

June temperatures in Wilton vary between a high-temperature of 88.3°F (31.3°C) and a low-temperature of 56.8°F (13.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in June is computed to be 91.4°F (33°C).

What is the average humidity in June in Wilton?

In Wilton, the average relative humidity in June is 48%.

How much does it rain in Wilton in June?

In Wilton, in June, it is raining for 1.4 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Wilton?

In Wilton, California, snow does not fall in January through November.

When are the longest days in Wilton?

June has the longest days of the year, with an average of 14h and 48min of daylight.

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

In June, the average day length is 14h and 48min.

What time are sunrise and sunset in June in Wilton?

In June, on the first day of the month, sunrise is at 5:42 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:33 pm PDT.

How many hours of sunshine does Wilton have in June?

In Wilton, California, the average sunshine duration in June is 11.8h.

What are the months with the highest UV index in Wilton?

June and July, with an average maximum UV index of 7, are months with the highest UV index in Wilton, California.

What is the UV index reading in June in Wilton?

The average daily maximum UV index in June in Wilton is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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
Wilton, CA

Average temperature in June - Wilton, CA
  • Average high temperature in June: 88.3°F

The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in June: 56.8°F

The month with the highest average low temperature is August (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).

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Average pressure in June
Wilton, CA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in June
Wilton, CA

Average wind speed in June - Wilton, CA
  • Average wind speed in June: 5.1mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in June
Wilton, CA

Average humidity in June - Wilton, CA
  • Average humidity in June: 48%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).

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Average rainfall in June
Wilton, CA

Average rainfall in June - Wilton, CA
  • Average rainfall in June: 0.16"

The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in June
Wilton, CA

Average rainfall days in June - Wilton, CA
  • Average rainfall days in June: 1.4 days

The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June, July and August (1.4 days).

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Average snowfall days in June
Wilton, CA

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

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

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

Average daylight in June / Average sunshine in June - Wilton, CA
  • Average daylight in June: 14h and 5min

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

  • Average sunshine in June: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in June
Wilton, CA

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

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.9 days).

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Average UV index in June
Wilton, CA

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

The months with the highest UV index are June and July (UV index 7).
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
Wilton, CA

Average cloud cover in June - Wilton, CA
  • Average cloud cover in June: 10

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in June
Wilton, CA

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

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