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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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Lake Forest, California, is another enjoyable winter month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 50°F (10°C). The onset of January marks an average high-temperature of a still comfortable 65.1°F (18.4°C), hardly differing from December's 63.1°F (17.3°C). Weather in January »
Weather in February
February, the last month of the winter in Lake Forest, is another refreshing month, with an average temperature ranging between max 64.2°F (17.9°C) and min 48.7°F (9.3°C). With the transition into February, Lake Forest notes an average high-temperature of a still comfortable 64.2°F (17.9°C), closely resembling January. Weather in February »
Weather in March
March, the first month of the spring in Lake Forest, is still a comfortable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 66.2°F (19°C). The advent of March brings an average high-temperature of a still comfortable 66.2°F (19°C), exhibiting minor difference from the previous month. Weather in March »
Weather in April
April is an agreeable spring month in Lake Forest, California, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 52.5°F (11.4°C). Lake Forest notes an average high-temperature of an agreeable 69.3°F (20.7°C) in April, hardly diverging from March. Weather in April »
Weather in May
The last month of the spring, May, is also an agreeable month in Lake Forest, California, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 55.2°F (12.9°C). The ushering in of May brings an average high-temperature of a still pleasant 70.9°F (21.6°C), closely mirroring the 69.3°F (20.7°C) of April. Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Lake Forest, California, with an average temperature ranging between max 75.4°F (24.1°C) and min 57.7°F (14.3°C). June's presence marks an average high-temperature of a moderately hot 75.4°F (24.1°C), subtly varied from May's 70.9°F (21.6°C). Weather in June »
Weather in July
July, like June, in Lake Forest, California, is a moderately hot summer month, with an average temperature fluctuating between 63°F (17.2°C) and 80.4°F (26.9°C). With the arrival of July, Lake Forest's average high-temperature registers at a still warm 80.4°F (26.9°C), indicating a subtle variation from the previous month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Lake Forest, California, with an average temperature varying between 64.4°F (18°C) and 82°F (27.8°C). In Lake Forest, the month of August registers the highest temperatures, averaging 82°F (27.8°C) at the peak and 64.4°F (18°C) at the lowest. For most parts of August, the heat index is calculated to be 84.2°F (29°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lake Forest, California, with an average temperature fluctuating between 63.7°F (17.6°C) and 81°F (27.2°C). Lake Forest's shift into September is marked by a subtle change to a still warm 81°F (27.2°C) from August's 82°F (27.8°C) in temperature. Weather in September »
Weather in October
October, like September, in Lake Forest, California, is another warm autumn month, with an average temperature varying between 75.9°F (24.4°C) and 59.9°F (15.5°C). Welcoming October, Lake Forest notes an average high-temperature of a still warm 75.9°F (24.4°C), nearly consistent with September's 81°F (27.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another pleasant month in Lake Forest, California, with an average temperature fluctuating between 54.7°F (12.6°C) and 70°F (21.1°C). The commencement of November indicates a gentle shift in the average high-temperature, receding from October's moderately hot 75.9°F (24.4°C) to a pleasant 70°F (21.1°C). Weather in November »
Weather in December
The first month of the winter, December, is still a comfortable month in Lake Forest, California, with an average temperature varying between 63.1°F (17.3°C) and 49.5°F (9.7°C). December, on average, is the coldest month, registering a high temperature of 63.1°F (17.3°C) and a low of 49.5°F (9.7°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Lake Forest?
Throughout the year, in Lake Forest, California, there are 65.4 rainfall days, and 9.17" (233mm) of precipitation is accumulated.
When is the lowest UV index in Lake Forest?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST) in Lake Forest?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lake Forest, 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 Lake Forest?
The months with the highest humidity are May and June, with an average relative humidity of 69%.
What is the driest month in Lake Forest?
The month with the least rainfall in Lake Forest is June, when the rain falls for 2 days and typically collects 0.08" (2mm) of precipitation.
When are the longest days in Lake Forest?
With an average of 14h and 24min of daylight, June has the longest days of the year in Lake Forest.
What is the month with the highest UV index in Lake Forest?
The months with the highest UV index are June through September, with an average maximum UV index of 6.
What are the months with the most sunshine in Lake Forest?
The months with the most sunshine are July and August, with an average of 12h of sunshine.
What is the hottest time of year in Lake Forest?
In Lake Forest, California, temperatures reach their average annual highs in August, measuring 82°F (27.8°C) and a minimum average of 64.4°F (18°C).
What is the least humid month in Lake Forest?
November is the least humid month in Lake Forest, California, with an average relative humidity of 55%.
What are the coldest months in Lake Forest?
Lake Forest, California, witnesses the coldest weather in December, with temperatures averaging a high of 63.1°F (17.3°C) and a low of 49.5°F (9.7°C).
What is the wettest month in Lake Forest?
The month with the most rainfall in Lake Forest, California, is December, when the rain falls for 6.7 days and typically aggregates up to 1.85" (47mm) of precipitation.
What is the month with the shortest days in Lake Forest?
With an average of 10h and 0min of daylight, December has the shortest days of the year in Lake Forest.
What is the month with the least sunshine in Lake Forest?
The month with the least sunshine is December, with an average of 6.6h of sunshine.
Average temperature
Lake Forest, CA
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (63.1°F).
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure
Lake Forest, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.88"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed
Lake Forest, CA
- Average wind speed in January:
5mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.5mph - Average wind speed in October:
4.6mph - Average wind speed in November:
4.8mph - Average wind speed in December:
5mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity
Lake Forest, CA
The months with the highest relative humidity are May and June (69%).
The month with the lowest relative humidity is November (55%).
Average rainfall
Lake Forest, CA
- Average rainfall in January:
1.3" - Average rainfall in February:
1.42" - Average rainfall in March:
1.06" - Average rainfall in April:
0.59" - Average rainfall in May:
0.39" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.39" - Average rainfall in September:
0.31" - Average rainfall in October:
0.47" - Average rainfall in November:
0.83" - Average rainfall in December:
1.85"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Lake Forest, CA
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
7.2 days - Average rainfall days in May:
6.2 days - Average rainfall days in June:
2 days
- Average rainfall days in July:
5.3 days - Average rainfall days in August:
3.3 days - Average rainfall days in September:
4.6 days - Average rainfall days in October:
4.7 days - Average rainfall days in November:
5.3 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is March (8.1 days).
The month with the least rainy days is June (2 days).
Average daylight / Average sunshine
Lake Forest, 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 0min - Average daylight in May:
13h and 5min - 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:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 4min - Average sunshine in March:
8h and 4min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days
Lake Forest, CA
- Average sunshine days in January:
24.2 days - Average sunshine days in February:
19.7 days - Average sunshine days in March:
21.1 days - Average sunshine days in April:
20.6 days - Average sunshine days in May:
19.3 days - Average sunshine days in June:
22.3 days
- Average sunshine days in July:
22.3 days - Average sunshine days in August:
23.8 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
24.2 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
22.5 days
The months with the most sunshine days are January and October (24.2 days).
The month with the least sunshine days is May (19.3 days).
Average UV index
Lake Forest, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
Lake Forest, CA
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility
Lake Forest, 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).
Lake Forest, California, USA
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