Los Altos monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Los Altos

Los Altos average temperature chart (Celsius) Los Altos average temperature chart (Fahrenheit)
Average monthly temperatures in Los Altos (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 22.6 24.3 26.7 29.7 31.7 32.2 31.9 32.5 31 28.9 25.7 23.8
°F 72.7 75.7 80 85.4 89.1 90 89.5 90.6 87.9 83.9 78.2 74.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Los Altos monthly rainfall chart (mm) Los Altos monthly rainfall chart (inches)
Average monthly rainfall in Los Altos (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 42 33 27 45 64 199 177 156 351 172 68 47
inches 1.6 1.3 1.1 1.8 2.5 7.8 7 6.2 13.8 6.8 2.7 1.8
Rainy days 6 5 4 4 4 9 10 8 12 8 6 6

Average annual rainfall in Los Altos: 1304.933mm (513.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Los Altos

Los Altos average daily sunshine chart
Average daily sunshine Los Altos
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.8 5.5 6 6.3 6.9 6.8 7.3 7.3 6 5.8 5.1 4.7

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Los Altos average minimum / maximum temperatures (Celsius) Los Altos average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Los Altos (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 14.4 15.7 17.7 20.7 22.7 23.8 23.5 23.7 22.6 21 18 15.8
Max °C 22.8 24.5 26.9 29.9 32 32.4 32.2 32.8 31.3 29.1 25.9 24
Min °F 57.9 60.3 63.9 69.3 72.8 74.8 74.2 74.6 72.6 69.7 64.3 60.4
Max °F 65.5 68.2 72.1 77.5 81.1 82.6 82 82.8 80.4 77 71.4 67.8

Sea temperature

The graph below shows the average sea temperature.

Los Altos average sea temperature chart (Celsius) Los Altos average sea temperature chart (Fahrenheit)
Average sea temperature around Los Altos in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 22.9 22.7 23.4 24.9 26.8 28.4 28.8 29.3 29.3 28.2 26.2 24.2
°F 73.2 72.8 74.1 76.7 80.3 83.2 83.9 84.8 84.7 82.7 79.1 75.6

Wind speed

The graph below shows the average wind speed.

Los Altos average winspeed by month (km/h) Los Altos average winspeed by month (mph)
Average wind speed in Los Altos (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 10 11 13 11 10 10 9 9 9 10 10 9
mph 7 7 8 7 6 6 6 6 5 7 6 6

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Los Altos relative humidity averages
Average relative humidity in Los Altos
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
81% 80% 78% 79% 78% 80% 79% 79% 80% 79% 79% 80%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Los Altos weather stats

Los Altos weather statistics
Hottest month: August 32.5°C 90.5°F
Driest month: March 27mm 1.1ins
Sunniest month: August 7.3hrs
Coldest month: January 22.6°C 72.7°F
Wettest month: September 351mm 13.8ins
Warmest sea: August 29.3°C 84.7°F
Map showing location of Los Altos (21.51667, -97.76667) Los Altos map pin © Google

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