Climate and monthly weather forecastWilton, CA
Climate and monthly weather forecast
Weather in January
January in Wilton, California, is a refreshing winter month, with temperature in the range of an average low of 40.8°F (4.9°C) and an average high of 56.3°F (13.5°C). The arrival of January brings an average high-temperature of a refreshing 56.3°F (13.5°C), nearly identical to December's 54.7°F (12.6°C). Weather in January »Weather in February
The last month of the winter, February, is also a moderate month in Wilton, California, with an average temperature ranging between min 41.5°F (5.3°C) and max 59.5°F (15.3°C). The arrival of February brings an average high-temperature of a still refreshing 59.5°F (15.3°C), subtly diverging from January's 56.3°F (13.5°C). Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Wilton, California, with an average temperature ranging between min 43.3°F (6.3°C) and max 63.1°F (17.3°C). Wilton, California, experiences a subtle adjustment in high-temperatures to an enjoyable 63.1°F (17.3°C) with the onset of March, maintaining near parity with February's 59.5°F (15.3°C). Weather in March »Weather in April
April is an agreeable spring month in Wilton, California, with an average temperature varying between 46.2°F (7.9°C) and 69.8°F (21°C). April's arrival signals a modest temperature shift, moving from a refreshing 63.1°F (17.3°C) in March to an agreeable 69.8°F (21°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Wilton, California, with an average temperature ranging between max 77.5°F (25.3°C) and min 50.9°F (10.5°C). Observing a slight rise in May, the average high-temperature shifts from April's pleasant 69.8°F (21°C) to a warm 77.5°F (25.3°C). Weather in May »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). 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). Weather in June »Weather in July
July, like June, is another tropical summer month in Wilton, California, with temperature in the range of an average high of 94.3°F (34.6°C) and an average low of 58.8°F (14.9°C). In Wilton, July is the warmest month, with temperatures averaging a high of 94.3°F (34.6°C) and a low of 58.8°F (14.9°C). July's heat index is computed to be a very hot 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in Wilton, is another hot month, with temperature in the range of an average high of 93.4°F (34.1°C) and an average low of 59.2°F (15.1°C). Wilton, California, observes an average high-temperature of a still tropical 93.4°F (34.1°C) in August, barely different from 94.3°F (34.6°C) in July. Weather in August »Weather in September
September, the first month of the autumn in Wilton, is still a hot month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 88.5°F (31.4°C). At the onset of September, Wilton records an average high-temperature of a still tropical 88.5°F (31.4°C), showing little deviation from the preceding month. Weather in September »Weather in October
October, like September, in Wilton, California, is a moderately hot autumn month, with an average temperature ranging between max 76.8°F (24.9°C) and min 53.6°F (12°C). The shift from September to October involves a decrease in the average high-temperature, from a hot 88.5°F (31.4°C) to a moderately hot 76.8°F (24.9°C). Weather in October »Weather in November
November, the last month of the autumn in Wilton, is another refreshing month, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 63.7°F (17.6°C). With November's onset, the weather shows a temperature decrease, transitioning from a warm 76.8°F (24.9°C) in October to a comfortable 63.7°F (17.6°C). Weather in November »Weather in December
December, the first month of the winter in Wilton, is still a cool month, with an average temperature ranging between min 40.8°F (4.9°C) and max 54.7°F (12.6°C). 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. Weather in December »Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Wilton, during the entire year, the rain falls for 73.3 days and collects up to 15.63" (397mm) of precipitation.
January through November are months without snowfall in Wilton, California.
Throughout the year, there are 0.1 snowfall days.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
March is the most humid month, with an average relative humidity of 75%.
March is the month with the most rainfall in Wilton, California. Rain falls for 13.3 days and accumulates 2.91" (74mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Wilton, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
June has the longest days of the year, with an average of 14h and 48min of daylight.
June and July, with an average maximum UV index of 7, are months with the highest UV index in Wilton, California.
July stands out as Wilton's warmest month, with an average high-temperature of 94.3°F (34.6°C) and a low-temperature of 58.8°F (14.9°C).
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.
With an average of 12.1h of sunshine, July has the most sunshine of the year.
With an average relative humidity of 44%, September is the least humid month.
The month of December, characterized by an average high of 54.7°F (12.6°C) and a low of 40.8°F (4.9°C), is recognized as the coldest.
The only month with snowfall in Wilton is December.
The month with the most snowfall days is December, when snow falls for 0.1 days.
The month with the shortest days in Wilton, California, is December, with an average of 9h and 30min of daylight.
December has the least sunshine of the year in Wilton, California, with an average of 5.8h of sunshine.
Average temperature
Wilton, CA
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).
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).
Average pressure
Wilton, CA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.13"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).
Average wind speed
Wilton, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.7mph - Average wind speed in March:
5.3mph - Average wind speed in April:
5.1mph - Average wind speed in May:
5.2mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.1mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.3mph - Average wind speed in December:
5mph
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).
Average humidity
Wilton, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).
Average rainfall
Wilton, CA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.8" - Average rainfall in March:
2.91" - Average rainfall in April:
1.22" - Average rainfall in May:
0.83" - Average rainfall in June:
0.16"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.2" - Average rainfall in October:
0.83" - Average rainfall in November:
1.73" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Wilton, CA
- 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).
The months with the least rainy days are June, July and August (1.4 days).
Average snowfall days
Wilton, CA
- 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).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Wilton, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 January:
6h and 6min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 6min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 18min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 48min
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).
Average sunshine days
Wilton, CA
- Average sunshine days in January:
21.3 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
20.3 days - Average sunshine days in May:
24.9 days - Average sunshine days in June:
27.9 days
- Average sunshine days in July:
29.1 days - Average sunshine days in August:
29 days - Average sunshine days in September:
26.9 days - Average sunshine days in October:
25.9 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
19.3 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).
Average UV index
Wilton, CA
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).
Average cloud cover
Wilton, CA
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Wilton, CA
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).
