Wilton, CA - Detailed climate information and monthly weather forecast

January in Wilton, California, is a mild winter month, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 40.8°F (4.9°C). In Wilton, the average high-temperature in January is essentially the same as in December - a mild 56.3°F (13.5°C). Weather in January »

February, the last month of the winter, in Wilton, is another mild month, with average temperature varying between 41.5°F (5.3°C) and 59.5°F (15.3°C). In February, the average high-temperature is essentially the same as in January - a still moderate 59.5°F (15.3°C). Weather in February »

The first month of the spring, March, is a comfortable month in Wilton, California, with average temperature varying between 63.1°F (17.3°C) and 43.3°F (6.3°C). In March, the average high-temperature is practically the same as in February - a comfortable 63.1°F (17.3°C). Weather in March »

April in Wilton, California, is a pleasant spring month, with average temperature varying between 69.8°F (21°C) and 46.2°F (7.9°C). In Wilton, the average high-temperature in April slightly increases, from a comfortable 63.1°F (17.3°C) in March, to a pleasant 69.8°F (21°C). Weather in April »

May, the last month of the spring, in Wilton, is a warm month, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 77.5°F (25.3°C). In May, the average high-temperature slightly increases, from an agreeable 69.8°F (21°C) in April, to a moderately hot 77.5°F (25.3°C). Weather in May »

June, the first month of the summer, in Wilton, is a tropical month, with average temperature ranging between min 56.8°F (13.8°C) and max 88.3°F (31.3°C). In June, the average high-temperature increases, from a moderately hot 77.5°F (25.3°C) in May, to a tropical 88.3°F (31.3°C). Weather in June »

July, the same as June, in Wilton, California, is a hot summer month, with average temperature ranging between max 94.3°F (34.6°C) and min 58.8°F (14.9°C). July is the warmest month, with an average high-temperature of 94.3°F (34.6°C) and an average low-temperature of 58.8°F (14.9°C). In July, the average heat index is appraised at a sweltering 100.4°F (38°C). Weather in July »

The last month of the summer, August, is another tropical month in Wilton, California, with average temperature ranging between min 59.2°F (15.1°C) and max 93.4°F (34.1°C). In Wilton, the average high-temperature is practically the same as in July - a still tropical 93.4°F (34.1°C). Weather in August »

The first month of the autumn, September, is also a hot month in Wilton, California, with average temperature fluctuating between 88.5°F (31.4°C) and 58.5°F (14.7°C). In September, the average high-temperature is almost the same as in August - a still tropical 88.5°F (31.4°C). Weather in September »

October, the same as September, is a moderately hot autumn month in Wilton, California, with average temperature ranging between max 76.8°F (24.9°C) and min 53.6°F (12°C). In October, the average high-temperature decreases, from a tropical 88.5°F (31.4°C) in September, to a moderately hot 76.8°F (24.9°C). Weather in October »

November, the last month of the autumn, in Wilton, is another comfortable month, with average temperature ranging between min 45.7°F (7.6°C) and max 63.7°F (17.6°C). In November, the average high-temperature drops, from a warm 76.8°F (24.9°C) in October, to an enjoyable 63.7°F (17.6°C). Weather in November »

The first month of the winter, December, is still a cool month in Wilton, California, with average temperature varying between 40.8°F (4.9°C) and 54.7°F (12.6°C). The coldest month is December, with an average high-temperature of 54.7°F (12.6°C) and an average low-temperature of 40.8°F (4.9°C). Weather in December »

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How many days does it rain in Wilton?

In Wilton, California, during the entire year, the rain falls for 73.3 days and collects up to 15.63" (397mm) of precipitation.

How many days does it snow in Wilton?

In Wilton, during the entire year, snow falls for 0.1 days.

When it does not snow in Wilton?

January through November are months without snowfall in Wilton.

What is the month with the lowest UV index in Wilton?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

What is the most humid month in Wilton?

The most humid month in Wilton, California, is March, with an average relative humidity of 75%.

What is the rainiest month in Wilton?

The month with the most rainfall is March when the rain falls for 13.3 days and typically aggregates up to 2.91" (74mm) of precipitation.

When are the longest days in Wilton?

June has the longest days of the year, with an average of 14.8h of daylight.

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.

What is the warmest month in Wilton?

With an average high-temperature of 94.3°F (34.6°C) and an average low-temperature of 58.8°F (14.9°C), July is the warmest month in Wilton.

What is the driest month in Wilton?

July and August are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Wilton?

July has the most sunshine of the year in Wilton, California, with an average of 12.1h of sunshine.

What is the least humid month in Wilton?

With an average relative humidity of 44%, September is the least humid month.

What is the coldest month in Wilton?

With an average high-temperature of 54.7°F (12.6°C) and an average low-temperature of 40.8°F (4.9°C), December is the coldest month.

When does it snow in Wilton?

The only month with snowfall is December.

When does it snow the most in Wilton?

The month with the most snowfall days in Wilton, California, is December when snow falls for 0.1 days.

What is the month with the shortest days in Wilton?

With an average of 9.5h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Wilton?

With an average of 5.8h of sunshine, December has the least sunshine of the year in Wilton.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
56.3°F
Average high temperature in February:
59.5°F
Average high temperature in March:
63.1°F
Average high temperature in April:
69.8°F
Average high temperature in May:
77.5°F
Average high temperature in June:
88.3°F

Average high temperature in July:
94.3°F
Average high temperature in August:
93.4°F
Average high temperature in September:
88.5°F
Average high temperature in October:
76.8°F
Average high temperature in November:
63.7°F
Average high temperature in December:
54.7°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 January:
40.8°F
Average low temperature in February:
41.5°F
Average low temperature in March:
43.3°F
Average low temperature in April:
46.2°F
Average low temperature in May:
50.9°F
Average low temperature in June:
56.8°F

Average low temperature in July:
58.8°F
Average low temperature in August:
59.2°F
Average low temperature in September:
58.5°F
Average low temperature in October:
53.6°F
Average low temperature in November:
45.7°F
Average low temperature in December:
40.8°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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The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).

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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 January:
8.9 days
Average rainfall days in February:
8.9 days
Average rainfall days in March:
13.3 days
Average rainfall days in April:
8.8 days
Average rainfall days in May:
5.3 days
Average rainfall days in June:
1.4 days

Average rainfall days in July:
1.4 days
Average rainfall days in August:
1.4 days
Average rainfall days in September:
2.3 days
Average rainfall days in October:
4.2 days
Average rainfall days in November:
7.5 days
Average rainfall days in December:
9.9 days

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

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Average snowfall days in January:
0 days
Average snowfall days in February:
0 days
Average snowfall days in March:
0 days
Average snowfall days in April:
0 days
Average snowfall days in May:
0 days
Average snowfall days in June:
0 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0 days
Average snowfall days in October:
0 days
Average snowfall days in November:
0 days
Average snowfall days in December:
0.1 days

The month with the highest number of snowfall days is December (0.1 days).
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 / Average sunshine - Wilton, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Monthly weather forecast and climate
Wilton, CA

Contents

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December