Expand
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
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another comfortable winter month in Winnetka, California, with an average temperature ranging between max 63.5°F (17.5°C) and min 47.7°F (8.7°C). In January, Winnetka notes an average high-temperature of a still enjoyable 63.5°F (17.5°C), hardly different from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Winnetka, California, with an average temperature fluctuating between 47.1°F (8.4°C) and 63.3°F (17.4°C). Stepping into February, Winnetka records an average high-temperature of a still refreshing 63.3°F (17.4°C), almost consistent with January. Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Winnetka, California, with an average temperature varying between 48.7°F (9.3°C) and 66.6°F (19.2°C). At the start of March, Winnetka's average high-temperature reaches a still enjoyable 66.6°F (19.2°C), subtly different from the preceding month. Weather in March »
Weather in April
April is an agreeable spring month in Winnetka, California, with an average temperature ranging between min 50.9°F (10.5°C) and max 70.3°F (21.3°C). As March transitions into April, the average high-temperature rests at a pleasant 70.3°F (21.3°C), maintaining a close resemblance to the previous month. Weather in April »
Weather in May
May, the last month of the spring in Winnetka, is a moderately hot month, with an average temperature varying between 54.5°F (12.5°C) and 73.8°F (23.2°C). Winnetka's average high-temperature marks a warm 73.8°F (23.2°C) with the advent of May, closely mirroring that of the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Winnetka, is still a warm month, with an average temperature fluctuating between 79°F (26.1°C) and 58.6°F (14.8°C). The arrival of June sees an average high-temperature of a still warm 79°F (26.1°C), hardly diverging from May's 73.8°F (23.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Winnetka, California, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 63.7°F (17.6°C). On the advent of July, Winnetka's average high-temperature exhibits a minor adjustment to a still moderately hot 84.2°F (29°C) from June's 79°F (26.1°C). Weather in July »
Weather in August
August, the last month of the summer in Winnetka, is another warm month, with an average temperature fluctuating between 64.8°F (18.2°C) and 85.6°F (29.8°C). Winnetka reaches its highest average temperatures in August, measuring 85.6°F (29.8°C) at the peak and 64.8°F (18.2°C) at the lowest. The heat index for August is estimated at a tropical 87.8°F (31°C). Weather in August »
Weather in September
September, the first month of the autumn in Winnetka, is also a moderately hot month, with an average temperature ranging between min 63°F (17.2°C) and max 83.1°F (28.4°C). Winnetka observes an average high-temperature of a still moderately hot 83.1°F (28.4°C) in September, barely different from 85.6°F (29.8°C) in August. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Winnetka, California, with an average temperature fluctuating between 76.8°F (24.9°C) and 58.5°F (14.7°C). October reveals a small adjustment in temperature, transitioning from an average high of 83.1°F (28.4°C) in September to a still warm 76.8°F (24.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Winnetka, is another pleasant month, with an average temperature fluctuating between 69.6°F (20.9°C) and 52.7°F (11.5°C). As October makes way for November, Winnetka's average high-temperature eases from a warm 76.8°F (24.9°C) to an agreeable 69.6°F (20.9°C). Weather in November »
Weather in December
December, the first month of the winter in Winnetka, is still a comfortable month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 46.9°F (8.3°C). December proves to be the coldest month, recording an average maximum temperature of 61.9°F (16.6°C) and a minimum temperature of 46.9°F (8.3°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Winnetka?
Throughout the year, in Winnetka, there are 42.7 rainfall days, and 6.46" (164mm) of precipitation is accumulated.
When it does not snow in Winnetka?
January through November are months without snowfall in Winnetka.
How many days does it snow in Winnetka?
In Winnetka, during the entire year, snow falls for 0.1 days.
What are the months with the least sunshine in Winnetka?
The months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.
What is the rainiest month in Winnetka?
The month with the most rainfall in Winnetka is February, when the rain falls for 4.8 days and typically aggregates up to 1.22" (31mm) of precipitation.
When is Daylight Saving Time (DST) in Winnetka?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
What is the most humid month in Winnetka?
June is the most humid month, with an average relative humidity of 59%.
What is the driest month in Winnetka?
The month with the least rainfall in Winnetka, California, is June, when the rain falls for 1.4 days and typically collects 0.04" (1mm) of precipitation.
When are the longest days in Winnetka?
June has the longest days of the year, with an average of 14h and 24min of daylight.
What are the months with the most sunshine in Winnetka?
June and July, with an average of 12.1h of sunshine, are months with the most sunshine in Winnetka.
When is the highest UV index in Winnetka?
The months with the highest UV index are June through September, with an average maximum UV index of 6.
What are the warmest months in Winnetka?
August, with average temperatures reaching a high of 85.6°F (29.8°C) and a low of 64.8°F (18.2°C), is the warmest month.
What is the least humid month in Winnetka?
With an average relative humidity of 47%, November is the least humid month.
What are the coldest months in Winnetka?
December, characterized by an average high temperature of 61.9°F (16.6°C) and a low temperature of 46.9°F (8.3°C), is generally the coldest month.
When does it snow in Winnetka?
The only month with snowfall in Winnetka is December.
What is the snowiest month in Winnetka?
The month with the most snowfall days is December, when snow falls for 0.1 days.
What is the month with the shortest days in Winnetka?
December has the shortest days of the year in Winnetka, California, with an average of 9h and 54min of daylight.
When is the lowest UV index in Winnetka?
The month with the lowest UV index in Winnetka is December, with an average maximum UV index of 3.
Average temperature
Winnetka, CA
The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (61.9°F).
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).
Average pressure
Winnetka, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.9"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Winnetka, CA
- Average wind speed in January:
6.1mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.8mph - Average wind speed in April:
6mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5mph - Average wind speed in November:
5.5mph - Average wind speed in December:
6.1mph
The windiest months (with the highest average wind speed) are January and December (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity
Winnetka, CA
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall
Winnetka, CA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.22" - Average rainfall in March:
1.02" - Average rainfall in April:
0.39" - Average rainfall in May:
0.24" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.08" - Average rainfall in September:
0.16" - Average rainfall in October:
0.12" - Average rainfall in November:
0.71" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is February (1.22").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Winnetka, CA
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
6.5 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.4 days
- Average rainfall days in July:
2.6 days - Average rainfall days in August:
1.5 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
2.7 days - Average rainfall days in November:
3.2 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.4 days).
Average snowfall days
Winnetka, 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
Winnetka, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 1min - Average sunshine in May:
11h and 3min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days
Winnetka, CA
- Average sunshine days in January:
25.3 days - Average sunshine days in February:
22 days - Average sunshine days in March:
23.5 days - Average sunshine days in April:
24.6 days - Average sunshine days in May:
25.3 days - Average sunshine days in June:
25.6 days
- Average sunshine days in July:
26.4 days - Average sunshine days in August:
27.3 days - Average sunshine days in September:
25.5 days - Average sunshine days in October:
27.3 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
24.7 days
The months with the most sunshine days are August and October (27.3 days).
The month with the least sunshine days is February (22 days).
Average UV index
Winnetka, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Winnetka, CA
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility
Winnetka, 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).
Winnetka, California, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
