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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
Climate and monthly weather forecast
Weather in January
January is a refreshing winter month in Sunol, California, with an average temperature varying between 13.9°C and 5.3°C. The arrival of January sees an average high-temperature of a mild 13.9°C, hardly diverging from December's 12.8°C. Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in Sunol, California, with an average temperature varying between 5.7°C and 15.2°C. Sunol sees the arrival of February with an average high-temperature of a still refreshing 15.2°C, indicating a subtle variation from January. Weather in February »
Weather in March
The first month of the spring, March, is an enjoyable month in Sunol, California, with an average temperature varying between 16.8°C and 6.3°C. The initiation of March sees an average high-temperature of an enjoyable 16.8°C, showing minor variations from the previous month. Weather in March »
Weather in April
April, like March, in Sunol, California, is another comfortable spring month, with temperature in the range of an average high of 19.7°C and an average low of 7.3°C. Sunol's weather in April, with an average high-temperature of a still refreshing 19.7°C, subtly shifts from March's 16.8°C. Weather in April »
Weather in May
May, the last month of the spring in Sunol, is an agreeable month, with an average temperature ranging between min 9.4°C and max 22.6°C. As Sunol steps into May, the average high-temperature is measured at an agreeable 22.6°C, displaying minor differences from April's 19.7°C. Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Sunol, California, with an average temperature ranging between max 27.1°C and min 12.1°C. With the onset of June, Sunol's average high-temperature experiences a slight rise, moving from May's agreeable 22.6°C to a warm 27.1°C. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Sunol, California, with an average temperature ranging between min 13.3°C and max 29.6°C. The month of July sees the highest average temperatures, reaching 29.6°C at the peak and 13.3°C at the low. In July, the heat index is estimated at a hot 31°C. Weather in July »
Weather in August
August, the last month of the summer in Sunol, is also a moderately hot month, with temperature in the range of an average high of 29.3°C and an average low of 13.7°C. The transition from July to August sees average high-temperatures adjusting to a still warm 29.3°C, from a not significantly different 29.6°C. Weather in August »
Weather in September
September, the first month of the autumn in Sunol, is still a warm month, with an average temperature varying between 27.8°C and 13.5°C. The shift to September signals an average high-temperature of a still moderately hot 27.8°C, subtly varied from August's 29.3°C. Weather in September »
Weather in October
October, like September, in Sunol, California, is a moderately hot autumn month, with an average temperature varying between 11.4°C and 23.4°C. October signifies a minor drop in average high-temperature, transitioning from a moderately hot 27.8°C in September to a still warm 23.4°C. Weather in October »
Weather in November
November, the last month of the autumn in Sunol, is also an enjoyable month, with temperature in the range of an average low of 8°C and an average high of 17.6°C. The arrival of November corresponds with a reduction in the average high-temperature, down from October's moderately hot 23.4°C to a comfortable 17.6°C. Weather in November »
Weather in December
The first month of the winter, December, is also a fresh month in Sunol, California, with an average temperature varying between 5.4°C and 12.8°C. In Sunol, the lowest temperatures are generally noted in December, averaging a high of 12.8°C and a low of 5.4°C. Weather in December »
Updated: Feb 9, 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
How much does it rain in Sunol?
In Sunol, during the entire year, the rain falls for 70.2 days and collects up to 279mm of precipitation.
What is the month with the lowest UV index in Sunol?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the rainiest month in Sunol?
The month with the most rainfall is February, when the rain falls for 8.3 days and typically aggregates up to 52mm of precipitation.
What is the most humid month in Sunol?
March is the most humid month in Sunol, with an average relative humidity of 74%.
When is Daylight Saving Time (DST) in Sunol?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sunol, 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.
When are the longest days in Sunol?
With an average of 14h and 42min of daylight, June has the longest days of the year in Sunol.
What is the month with the highest UV index in Sunol?
The months with the highest UV index in Sunol, California, are June through August, with an average maximum UV index of 6.
What are the warmest months in Sunol?
July tends to be the warmest month in Sunol, with temperatures averaging a daily high of 29.6°C and a low of 13.3°C.
What is the least humid month in Sunol?
The months with the lowest humidity in Sunol, California, are July and September, with an average relative humidity of 56%.
What is the driest month in Sunol?
The months with the least rainfall in Sunol, California, are July and August Rain falls for 1.8 days and accumulates 1mm of rain.
What month has the most sunshine in Sunol?
July has the most sunshine of the year in Sunol, with an average of 12.1h of sunshine.
What month is the coldest in Sunol?
During the coldest month in Sunol, December, temperatures average a high of 12.8°C and a low of 5.4°C.
What is the month with the shortest days in Sunol?
With an average of 9h and 36min of daylight, December has the shortest days of the year in Sunol.
What is the month with the least sunshine in Sunol?
The month with the least sunshine is December, with an average of 6h of sunshine.
Average temperature
Sunol, CA
The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is December (12.8°C).
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure
Sunol, CA
- Average pressure in January:
1020.5mbar - Average pressure in February:
1018.6mbar - Average pressure in March:
1018.4mbar - Average pressure in April:
1017mbar - Average pressure in May:
1015.1mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.5mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1013.2mbar - Average pressure in October:
1015.4mbar - Average pressure in November:
1018.3mbar - Average pressure in December:
1019.6mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).
Average wind speed
Sunol, CA
- Average wind speed in January:
7km/h - Average wind speed in February:
8.5km/h - Average wind speed in March:
8.8km/h - Average wind speed in April:
9.5km/h - Average wind speed in May:
10.2km/h - Average wind speed in June:
10km/h
- Average wind speed in July:
9.2km/h - Average wind speed in August:
8.6km/h - Average wind speed in September:
8km/h - Average wind speed in October:
7.1km/h - Average wind speed in November:
6.7km/h - Average wind speed in December:
7.5km/h
The windiest month (with the highest average wind speed) is May (10.2km/h).
The calmest month (with the lowest average wind speed) is November (6.7km/h).
Average humidity
Sunol, CA
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (56%).
Average rainfall
Sunol, CA
The wettest month (with the highest rainfall) is February (52mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days
Sunol, CA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
4.6 days - Average rainfall days in June:
1.7 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
0.9 days - Average rainfall days in September:
2.3 days - Average rainfall days in October:
4.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (0.9 days).
Average daylight / Average sunshine
Sunol, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 2min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
Sunol, CA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
19 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
22.1 days - Average sunshine days in May:
25.6 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
29 days - Average sunshine days in September:
27 days - Average sunshine days in October:
25.4 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
19.6 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is March (17.6 days).
Average UV index
Sunol, CA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Sunol, CA
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility
Sunol, CA
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).