Climate and monthly weather forecastSunol, CA
Climate and monthly weather forecast
Weather in January
January is a refreshing winter month in Sunol, California, with an average temperature varying between 57°F (13.9°C) and 41.5°F (5.3°C). The arrival of January sees an average high-temperature of a mild 57°F (13.9°C), hardly diverging from December's 55°F (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 42.3°F (5.7°C) and 59.4°F (15.2°C). Sunol sees the arrival of February with an average high-temperature of a still refreshing 59.4°F (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 62.2°F (16.8°C) and 43.3°F (6.3°C). The initiation of March sees an average high-temperature of an enjoyable 62.2°F (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 67.5°F (19.7°C) and an average low of 45.1°F (7.3°C). Sunol's weather in April, with an average high-temperature of a still refreshing 67.5°F (19.7°C), subtly shifts from March's 62.2°F (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 48.9°F (9.4°C) and max 72.7°F (22.6°C). As Sunol steps into May, the average high-temperature is measured at an agreeable 72.7°F (22.6°C), displaying minor differences from April's 67.5°F (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 80.8°F (27.1°C) and min 53.8°F (12.1°C). With the onset of June, Sunol's average high-temperature experiences a slight rise, moving from May's agreeable 72.7°F (22.6°C) to a warm 80.8°F (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 55.9°F (13.3°C) and max 85.3°F (29.6°C). The month of July sees the highest average temperatures, reaching 85.3°F (29.6°C) at the peak and 55.9°F (13.3°C) at the low. In July, the heat index is estimated at a hot 87.8°F (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 84.7°F (29.3°C) and an average low of 56.7°F (13.7°C). The transition from July to August sees average high-temperatures adjusting to a still warm 84.7°F (29.3°C), from a not significantly different 85.3°F (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 82°F (27.8°C) and 56.3°F (13.5°C). The shift to September signals an average high-temperature of a still moderately hot 82°F (27.8°C), subtly varied from August's 84.7°F (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 52.5°F (11.4°C) and 74.1°F (23.4°C). October signifies a minor drop in average high-temperature, transitioning from a moderately hot 82°F (27.8°C) in September to a still warm 74.1°F (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 46.4°F (8°C) and an average high of 63.7°F (17.6°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's moderately hot 74.1°F (23.4°C) to a comfortable 63.7°F (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 41.7°F (5.4°C) and 55°F (12.8°C). In Sunol, the lowest temperatures are generally noted in December, averaging a high of 55°F (12.8°C) and a low of 41.7°F (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
In Sunol, during the entire year, the rain falls for 70.2 days and collects up to 10.98" (279mm) of precipitation.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
The month with the most rainfall is February, when the rain falls for 8.3 days and typically aggregates up to 2.05" (52mm) of precipitation.
March is the most humid month in Sunol, with an average relative humidity of 74%.
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.
With an average of 14h and 42min of daylight, June has the longest days of the year in Sunol.
The months with the highest UV index in Sunol, California, are June through August, with an average maximum UV index of 6.
July tends to be the warmest month in Sunol, with temperatures averaging a daily high of 85.3°F (29.6°C) and a low of 55.9°F (13.3°C).
The months with the lowest humidity in Sunol, California, are July and September, with an average relative humidity of 56%.
The months with the least rainfall in Sunol, California, are July and August Rain falls for 1.8 days and accumulates 0.04" (1mm) of rain.
July has the most sunshine of the year in Sunol, with an average of 12.1h of sunshine.
During the coldest month in Sunol, December, temperatures average a high of 55°F (12.8°C) and a low of 41.7°F (5.4°C).
With an average of 9h and 36min of daylight, December has the shortest days of the year 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 (85.3°F).
The month with the lowest average high temperature is December (55°F).
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure
Sunol, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"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:
29.92"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 (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Sunol, CA
- Average wind speed in January:
4.3mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.5mph - Average wind speed in April:
5.9mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5mph - Average wind speed in October:
4.4mph - Average wind speed in November:
4.2mph - Average wind speed in December:
4.7mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
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
- Average rainfall in January:
1.93" - Average rainfall in February:
2.05" - Average rainfall in March:
1.89" - Average rainfall in April:
0.71" - Average rainfall in May:
0.47" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.55" - Average rainfall in November:
1.26" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is February (2.05").
The driest months (with the least rainfall) are July and August (0.04").
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 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 30min - 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 12min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 24min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 12min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 42min - 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 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).
