Climate and monthly weather forecastLos Altos Hills, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Los Altos Hills, California, is another mild winter month, with an average temperature ranging between max 56.7°F (13.7°C) and min 46.4°F (8°C). January's commencement is accompanied by an average high-temperature of a still refreshing 56.7°F (13.7°C), diverging marginally from December's 55.8°F (13.2°C). Weather in January »Weather in February
February, the last month of the winter in Los Altos Hills, is also a moderate month, with an average temperature ranging between max 58.3°F (14.6°C) and min 46.4°F (8°C). The average high-temperature during February registers at a still mild 58.3°F (14.6°C), closely corresponding to the preceding month. Weather in February »Weather in March
March, the first month of the spring in Los Altos Hills, is still a refreshing month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 59.5°F (15.3°C). As Los Altos Hills welcomes March, the average high-temperature is noted at a still mild 59.5°F (15.3°C), closely aligning with the preceding month. Weather in March »Weather in April
April is an enjoyable spring month in Los Altos Hills, California, with an average temperature fluctuating between 62.2°F (16.8°C) and 48.2°F (9°C). The advent of April observes an average high-temperature of a still refreshing 62.2°F (16.8°C), nearly identical to March's 59.5°F (15.3°C). Weather in April »Weather in May
The last month of the spring, May, is also an enjoyable month in Los Altos Hills, California, with an average temperature ranging between max 64.9°F (18.3°C) and min 50.2°F (10.1°C). In the transition from April to May, Los Altos Hills reports an average high-temperature of a still comfortable 64.9°F (18.3°C), indicating a close resemblance to the prior month. Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Los Altos Hills, California, with temperature in the range of an average low of 53.4°F (11.9°C) and an average high of 70°F (21.1°C). June's onset brings an average high-temperature of a pleasant 70°F (21.1°C), showing a minute difference from May's 64.9°F (18.3°C). Weather in June »Weather in July
July, like June, is another pleasant summer month in Los Altos Hills, California, with an average temperature varying between 54.7°F (12.6°C) and 72.7°F (22.6°C). The transition into July marks the average high-temperature at a still agreeable 72.7°F (22.6°C), differing minimally from June's 70°F (21.1°C). Weather in July »Weather in August
August, the last month of the summer in Los Altos Hills, is another pleasant month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 56.7°F (13.7°C). The highest temperatures are recorded in August, with averages reaching a high of 73°F (22.8°C) and a low of 56.7°F (13.7°C). Weather in August »Weather in September
September, the first month of the autumn in Los Altos Hills, is also an agreeable month, with an average temperature fluctuating between 72.5°F (22.5°C) and 56.7°F (13.7°C). Los Altos Hills, California, registers an average high-temperature of a still pleasant 72.5°F (22.5°C) at the commencement of September, closely related to the preceding month. Weather in September »Weather in October
October, the same as September, in Los Altos Hills, California, is an agreeable autumn month, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 54.9°F (12.7°C). The advent of October brings an average high-temperature of a still agreeable 68.2°F (20.1°C), exhibiting minor difference from the previous month. Weather in October »Weather in November
November, the last month of the autumn in Los Altos Hills, is also an enjoyable month, with an average temperature ranging between max 61.9°F (16.6°C) and min 50.5°F (10.3°C). Los Altos Hills observes a small decrease in the average high-temperature with the arrival of November, falling from October's agreeable 68.2°F (20.1°C) to a comfortable 61.9°F (16.6°C). Weather in November »Weather in December
December, the first month of the winter in Los Altos Hills, is also a moderate month, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 47.1°F (8.4°C). The lowest temperatures are recorded in December, with averages reaching a high of 55.8°F (13.2°C) and a low of 47.1°F (8.4°C). Weather in December »Updated: Aug 3, 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 Los Altos Hills, during the entire year, the rain falls for 57.5 days and collects up to 4.76" (121mm) of precipitation.
February is the month with the most rainfall. Rain falls for 6.6 days and accumulates 0.98" (25mm) of precipitation.
The months with the lowest UV index are February, November and December, with an average maximum UV index of 3.
With an average relative humidity of 76%, March is the most humid month.
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.
June is the month with the least rainfall. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.
The month with the longest days is June, with an average of 14h and 42min of daylight.
The months with the highest UV index are June through September, with an average maximum UV index of 5.
The month with the most sunshine is July, with an average of 12h of sunshine.
With average temperatures fluctuating between a high of 73°F (22.8°C) and a low of 56.7°F (13.7°C), August stands out as the warmest month.
October is the least humid month, with an average relative humidity of 68%.
December, on average, is the coldest month, registering a high temperature of 55.8°F (13.2°C) and a low of 47.1°F (8.4°C).
With an average of 9h and 36min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 5.9h of sunshine.
Average temperature
Los Altos Hills, CA
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (55.8°F).
The months with the highest average low temperature are August and September (56.7°F).
The coldest months (with the lowest average low temperature) are January and February (46.4°F).
Average pressure
Los Altos Hills, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed
Los Altos Hills, CA
- Average wind speed in January:
6mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.6mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Los Altos Hills, CA
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Los Altos Hills, CA
- Average rainfall in January:
0.67" - Average rainfall in February:
0.98" - Average rainfall in March:
0.83" - Average rainfall in April:
0.24" - Average rainfall in May:
0.31" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.08" - Average rainfall in October:
0.12" - Average rainfall in November:
0.55" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Los Altos Hills, CA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
5.8 days - Average rainfall days in May:
3.8 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
1.5 days - Average rainfall days in August:
1 days - Average rainfall days in September:
2.4 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is June (0.9 days).
Average daylight / Average sunshine
Los Altos Hills, 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 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - 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 12min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 18min - Average sunshine in February:
6h and 24min - Average sunshine in March:
7h and 54min - Average sunshine in April:
10h and 24min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 42min - Average sunshine in December:
5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days
Los Altos Hills, CA
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
19.3 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
22.2 days - Average sunshine days in May:
22.9 days - Average sunshine days in June:
26.3 days
- Average sunshine days in July:
26.3 days - Average sunshine days in August:
24.2 days - Average sunshine days in September:
25.8 days - Average sunshine days in October:
25.4 days - Average sunshine days in November:
23.8 days - Average sunshine days in December:
20.4 days
The months with the most sunshine days are June and July (26.3 days).
The month with the least sunshine days is March (18.3 days).
Average UV index
Los Altos Hills, CA
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Los Altos Hills, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Los Altos Hills, 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).
