Climate and monthly weather forecastMountain View, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Mountain View, California, with an average temperature ranging between min 44.2°F (6.8°C) and max 57.7°F (14.3°C). January's weather displays an average high-temperature of a still mild 57.7°F (14.3°C), slightly varied from December's 56.5°F (13.6°C). Weather in January »Weather in February
February, the last month of the winter in Mountain View, is another mild month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 59.9°F (15.5°C). February reports an average high-temperature of a still mild 59.9°F (15.5°C), slightly varied from January's 57.7°F (14.3°C). Weather in February »Weather in March
March, the first month of the spring in Mountain View, is a refreshing month, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 62.2°F (16.8°C). The start of March sees the average high-temperature at an enjoyable 62.2°F (16.8°C), showing little difference from February's 59.9°F (15.5°C). Weather in March »Weather in April
April, the same as March, is another comfortable spring month in Mountain View, California, with an average temperature ranging between max 66.2°F (19°C) and min 46°F (7.8°C). The transition from March to April sees an average high-temperature of a still refreshing 66.2°F (19°C), indicating a minor variance from the prior month. Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Mountain View, California, with an average temperature varying between 69.3°F (20.7°C) and 49.5°F (9.7°C). The arrival of May records an average high-temperature of an agreeable 69.3°F (20.7°C), closely related to the 66.2°F (19°C) observed in April. Weather in May »Weather in June
June, the first month of the summer in Mountain View, is a warm month, with an average temperature ranging between min 53.4°F (11.9°C) and max 76.6°F (24.8°C). The average high-temperature mildly increases in June, edging from a pleasant 69.3°F (20.7°C) in May to a moderately hot 76.6°F (24.8°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Mountain View, California, with an average temperature varying between 55.2°F (12.9°C) and 79.7°F (26.5°C). With average high and low temperatures of 79.7°F (26.5°C) and 55.2°F (12.9°C) respectively, July is Mountain View's warmest month. Weather in July »Weather in August
August, the last month of the summer in Mountain View, is another warm month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 56.8°F (13.8°C). August welcomes an average high-temperature of a still warm 79.3°F (26.3°C), not much different from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Mountain View, California, with an average temperature fluctuating between 56.1°F (13.4°C) and 77.9°F (25.5°C). September brings a marginal elevation to a still moderately hot 77.9°F (25.5°C) from August's 79.3°F (26.3°C) in Mountain View's average high-temperatures. Weather in September »Weather in October
October, the same as September, in Mountain View, California, is another pleasant autumn month, with an average temperature varying between 54°F (12.2°C) and 71.8°F (22.1°C). In October, the average high-temperature marginally decreases from a moderately hot 77.9°F (25.5°C) in September to an agreeable 71.8°F (22.1°C). Weather in October »Weather in November
November, the last month of the autumn in Mountain View, is another refreshing month, with an average temperature ranging between min 48.7°F (9.3°C) and max 63.7°F (17.6°C). November is characterized by a slight reduction in average high-temperature, easing from an agreeable 71.8°F (22.1°C) in October to a refreshing 63.7°F (17.6°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in Mountain View, California, with an average temperature varying between 44.1°F (6.7°C) and 56.5°F (13.6°C). In Mountain View, the lowest average temperatures are observed in December, with a high of 56.5°F (13.6°C) and a low of 44.1°F (6.7°C). Weather in December »Updated: Jun 19, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Mountain View, during the entire year, the rain falls for 53.1 days and collects up to 4.41" (112mm) of precipitation.
The months with the most rainfall are February, March and December, with an average 0.83" (21mm) 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 73%, 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 through August are months with the least rain when the rain falls for 1.5 days and typically aggregates up to 0.04" (1mm) of rain.
With an average of 14h and 42min of daylight, June has the longest days of the year.
With an average maximum UV index of 6, June is the month with the highest UV index.
The warmest month is July, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 55.2°F (12.9°C).
The months with the lowest humidity are July, September and October, with an average relative humidity of 63%.
The months with the most sunshine are July and August, with an average of 12h of sunshine.
Mountain View's coldest month, December, registers temperatures that range from a high of 56.5°F (13.6°C) to a low of 44.1°F (6.7°C).
With an average of 9h and 36min of daylight, December has the shortest days of the year.
With an average of 5.9h of sunshine, December has the least sunshine of the year.
Average temperature
Mountain View, CA
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (56.5°F).
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure
Mountain View, 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:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"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:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed
Mountain View, CA
- Average wind speed in January:
4.9mph - Average wind speed in February:
5.8mph - Average wind speed in March:
6mph - Average wind speed in April:
6.2mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.7mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.7mph - Average wind speed in December:
5.3mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).
Average humidity
Mountain View, CA
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July, September and October (63%).
Average rainfall
Mountain View, CA
- Average rainfall in January:
0.59" - Average rainfall in February:
0.83" - Average rainfall in March:
0.83" - Average rainfall in April:
0.28" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.12" - Average rainfall in November:
0.55" - Average rainfall in December:
0.83"
The wettest months (with the highest rainfall) are February, March and December (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days
Mountain View, CA
- Average rainfall days in January:
6.6 days - Average rainfall days in February:
6 days - Average rainfall days in March:
10 days - Average rainfall days in April:
5.8 days - Average rainfall days in May:
3.6 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.4 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is March (10 days).
The month with the least rainy days is August (0.4 days).
Average daylight / Average sunshine
Mountain View, 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 30min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 54min
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: 5h and 54min).
Average sunshine days
Mountain View, CA
- Average sunshine days in January:
23.4 days - Average sunshine days in February:
20.6 days - Average sunshine days in March:
19.4 days - Average sunshine days in April:
23.2 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
27.8 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
29.8 days - Average sunshine days in September:
27.5 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
24.2 days - Average sunshine days in December:
21.9 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is March (19.4 days).
Average UV index
Mountain View, CA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Mountain View, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility
Mountain View, 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).
