Climate and monthly weather forecastLondon, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in London, California, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59.2°F (15.1°C). London observes a minor difference in average high-temperatures between December's 56.3°F (13.5°C) and January's 59.2°F (15.1°C). Weather in January »Weather in February
February, the last month of the winter in London, is a refreshing month, with an average temperature varying between 61.3°F (16.3°C) and 43°F (6.1°C). As London welcomes February, the average high-temperature is noted at a still refreshing 61.3°F (16.3°C), closely aligning with the preceding month. Weather in February »Weather in March
March, the first month of the spring in London, is also an enjoyable month, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 45.9°F (7.7°C). The arrival of March sees an average high-temperature of a still refreshing 65.8°F (18.8°C), hardly diverging from February's 61.3°F (16.3°C). Weather in March »Weather in April
April in London, California, is a pleasant spring month, with an average temperature ranging between min 49.3°F (9.6°C) and max 72.9°F (22.7°C). The arrival of April introduces a minor uplift in high-temperatures, adjusting from a refreshing 65.8°F (18.8°C) in March to an agreeable 72.9°F (22.7°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in London, California, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 81°F (27.2°C). May's onset brings a minor rise in the average high-temperature, moving from a pleasant 72.9°F (22.7°C) in April to a warm 81°F (27.2°C). Weather in May »Weather in June
June, the first month of the summer in London, is a hot month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 93°F (33.9°C). With the onset of June, London's average high-temperature experiences a rise, moving from May's warm 81°F (27.2°C) to a hot 93°F (33.9°C). Weather in June »Weather in July
July in London, California, is a sweltering summer month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 100.4°F (38°C). In London, July is the month with the highest recorded average temperatures, measuring a high of 100.4°F (38°C) and a low of 64.6°F (18.1°C). Weather in July »Weather in August
The last month of the summer, August, is also a sweltering month in London, California, with an average temperature varying between 63.7°F (17.6°C) and 99.7°F (37.6°C). London's weather in August displays an average high-temperature of a still sweltering 99.7°F (37.6°C), showing minor disparity from July's 100.4°F (38°C). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in London, California, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 93°F (33.9°C). September implies a soft temperature shift, with average high-temperatures reducing from August's fiery hot 99.7°F (37.6°C) to a tropical 93°F (33.9°C). Weather in September »Weather in October
October, like September, in London, California, is a moderately hot autumn month, with an average temperature fluctuating between 54°F (12.2°C) and 79.2°F (26.2°C). October brings a drop in London's average high-temperature, falling from a tropical 93°F (33.9°C) in September to a moderately hot 79.2°F (26.2°C). Weather in October »Weather in November
November, the last month of the autumn in London, is another refreshing month, with an average temperature varying between 66.9°F (19.4°C) and 47.3°F (8.5°C). With November's onset, the average high-temperature recedes from October's warm 79.2°F (26.2°C) to an enjoyable 66.9°F (19.4°C). Weather in November »Weather in December
December, the first month of the winter in London, is still a refreshing month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 56.3°F (13.5°C). December, noted for its average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 41.7°F (5.4°C), is considered the coldest month. Weather in December »Updated: Aug 29, 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
The most humid month is January, with an average relative humidity of 67%.
In London, California, during the entire year, the rain falls for 62.1 days and collects up to 13.31" (338mm) of precipitation.
In London, snow does not fall in January, March through December.
Throughout the year, there are 0.1 snowfall days.
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
February is the only month when snow falls.
February has the most snowfall days of the year in London. Snow falls for 0.1 days.
March is the month with the most rainfall. Rain falls for 11 days and accumulates 2.6" (66mm) of precipitation.
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.
The months with the least rainfall in London are June and August Rain falls for 1.8 days and accumulates 0.08" (2mm) of rain.
With an average of 14h and 36min of daylight, June has the longest days of the year.
The months with the most sunshine are June and July, with an average of 12.1h of sunshine.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
July, recording an average high temperature of 100.4°F (38°C) and a low temperature of 64.6°F (18.1°C), is London's warmest month.
July and August, with an average relative humidity of 30%, are the least humid months.
In London, December registers the lowest temperatures, averaging 56.3°F (13.5°C) at the peak and 41.7°F (5.4°C) at the lowest.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
With an average of 6.4h of sunshine, December has the least sunshine of the year.
Average temperature
London, CA
The warmest month (with the highest average high temperature) is July (100.4°F).
The month with the lowest average high temperature is December (56.3°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).
Average pressure
London, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
London, CA
- Average wind speed in January:
4.1mph - Average wind speed in February:
4.6mph - Average wind speed in March:
5mph - Average wind speed in April:
5.3mph - Average wind speed in May:
5.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.1mph - Average wind speed in September:
4.8mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.2mph - Average wind speed in December:
4.1mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.1mph).
Average humidity
London, CA
The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall
London, CA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.13" - Average rainfall in March:
2.6" - Average rainfall in April:
1.18" - Average rainfall in May:
1.18" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.08" - Average rainfall in September:
0.24" - Average rainfall in October:
0.67" - Average rainfall in November:
1.26" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is March (2.6").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days
London, CA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
11 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
4.9 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
2.8 days - Average rainfall days in August:
0.9 days - Average rainfall days in September:
2.1 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is August (0.9 days).
Average snowfall days
London, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 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 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
London, CA
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 36min - Average sunshine in February:
6h and 36min - Average sunshine in March:
8h and 30min - Average sunshine in April:
10h and 48min - Average sunshine in May:
11h and 30min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 6min - Average sunshine in October:
8h and 0min - Average sunshine in November:
6h and 54min - Average sunshine in December:
6h and 24min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days
London, CA
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
19.5 days - Average sunshine days in April:
21.7 days - Average sunshine days in May:
25.3 days - Average sunshine days in June:
27.9 days
- Average sunshine days in July:
26.9 days - Average sunshine days in August:
28.8 days - Average sunshine days in September:
27.6 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
24.4 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (19.5 days).
Average UV index
London, CA
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover
London, CA
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility
London, 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).
