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
Weather in January
January, the same as December, in San Quentin, California, is a moderate winter month, with an average temperature varying between 56.1°F (13.4°C) and 45.5°F (7.5°C). In January, the average high-temperature is almost the same as in December - a still mild 56.1°F (13.4°C). Weather in January »
Weather in February
February, the last month of the winter in San Quentin, is also a moderate month, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 45.9°F (7.7°C). In San Quentin, the average high-temperature in February is almost the same as in January - a still mild 57.9°F (14.4°C). Weather in February »
Weather in March
March, the first month of the spring in San Quentin, is also a moderate month, with an average temperature varying between 59.4°F (15.2°C) and 46.9°F (8.3°C). In San Quentin, the average high-temperature in March is almost the same as in February - a still mild 59.4°F (15.2°C). Weather in March »
Weather in April
April in San Quentin, California, is an enjoyable spring month, with an average temperature fluctuating between 48.6°F (9.2°C) and 62.8°F (17.1°C). In April, the average high-temperature is relatively the same as in March - an enjoyable 62.8°F (17.1°C). Weather in April »
Weather in May
The last month of the spring, May, is also an enjoyable month in San Quentin, California, with an average temperature varying between 64.9°F (18.3°C) and 50.4°F (10.2°C). In San Quentin, California, the average high-temperature in May is practically the same as in April - a still enjoyable 64.9°F (18.3°C). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in San Quentin, California, with an average temperature varying between 53.2°F (11.8°C) and 69.1°F (20.6°C). In San Quentin, the average high-temperature in June is relatively the same as in May - an agreeable 69.1°F (20.6°C). Weather in June »
Weather in July
July, the same as June, in San Quentin, California, is an agreeable summer month, with an average temperature ranging between max 70.5°F (21.4°C) and min 54.3°F (12.4°C). In San Quentin, the average high-temperature in July is relatively the same as in June - a still pleasant 70.5°F (21.4°C). Weather in July »
Weather in August
The last month of the summer, August, is also an agreeable month in San Quentin, California, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 55.4°F (13°C). In August, the average high-temperature is almost the same as in July - a still pleasant 71.2°F (21.8°C). Weather in August »
Weather in September
September, the first month of the autumn in San Quentin, is still a pleasant month, with an average temperature varying between 56.1°F (13.4°C) and 72.3°F (22.4°C). With an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 56.1°F (13.4°C), September is the warmest month. Weather in September »
Weather in October
October, the same as September, in San Quentin, California, is another pleasant autumn month, with an average temperature varying between 68.9°F (20.5°C) and 54.3°F (12.4°C). In San Quentin, the average high-temperature in October is practically the same as in September - a still pleasant 68.9°F (20.5°C). Weather in October »
Weather in November
November, the last month of the autumn in San Quentin, is another comfortable month, with an average temperature fluctuating between 49.6°F (9.8°C) and 61.5°F (16.4°C). In San Quentin, California, the average high-temperature in November slightly decreases from a pleasant 68.9°F (20.5°C) in October to a comfortable 61.5°F (16.4°C). Weather in November »
Weather in December
December, the first month of the winter in San Quentin, is still a mild month, with an average temperature varying between 55.4°F (13°C) and 45.3°F (7.4°C). The coldest month is December, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C). Weather in December »
[Resources]FAQ
How much does it rain in San Quentin?
In San Quentin, during the entire year, the rain falls for 48 days and collects up to 3.94" (100mm) of precipitation.
What is the month with the lowest UV index in San Quentin?
The months with the lowest UV index in San Quentin, California, are January, February, November and December, with an average maximum UV index of 3.
What is the wettest month in San Quentin?
February is the month with the most rainfall in San Quentin, California. Rain falls for 5.3 days and accumulates 0.87" (22mm) of precipitation.
What is the most humid month in San Quentin?
With an average relative humidity of 77%, March is the most humid month in San Quentin.
When is Daylight Saving Time (DST) in San Quentin?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.
What is the month with the highest UV index in San Quentin?
April, June through September, with an average maximum UV index of 5, are months with the highest UV index.
What is the driest month in San Quentin?
June through September are months with the least rain in San Quentin when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.
When are the longest days in San Quentin?
The month with the longest days in San Quentin, California, is June, with an average of 14h and 45min of daylight.
What month has the most sunshine in San Quentin?
The month with the most sunshine in San Quentin, California, is July, with an average of 11.2h of sunshine.
What is the warmest month in San Quentin?
With an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 56.1°F (13.4°C), September is the warmest month in San Quentin, California.
What is the least humid month in San Quentin?
The least humid month is October, with an average relative humidity of 68%.
What is the coldest month in San Quentin?
December is the coldest month, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 45.3°F (7.4°C).
What is the month with the shortest days in San Quentin?
The month with the shortest days in San Quentin is December, with an average of 9h and 35min of daylight.
What is the month with the least sunshine in San Quentin?
With an average of 5.5h of sunshine, December has the least sunshine of the year.
Average temperature
San Quentin, CA
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure
San Quentin, CA
- Average pressure in January:
30.13"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:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
San Quentin, CA
- Average wind speed in January:
6mph - Average wind speed in February:
6.8mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.6mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.4mph - Average wind speed in September:
5.9mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.5mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity
San Quentin, CA
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall
San Quentin, CA
- Average rainfall in January:
0.59" - Average rainfall in February:
0.87" - Average rainfall in March:
0.59" - Average rainfall in April:
0.2" - Average rainfall in May:
0.28" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.04" - Average rainfall in October:
0.12" - Average rainfall in November:
0.47" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days
San Quentin, CA
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
5.5 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
1.4 days - Average rainfall days in August:
1.2 days - Average rainfall days in September:
1.7 days - Average rainfall days in October:
2.6 days - Average rainfall days in November:
3.9 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight / Average sunshine
San Quentin, 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 5min
- 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 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 3min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 5min - Average sunshine in September:
10h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
San Quentin, CA
- Average sunshine days in January:
24.2 days - Average sunshine days in February:
21.4 days - Average sunshine days in March:
20.7 days - Average sunshine days in April:
23.3 days - Average sunshine days in May:
24.7 days - Average sunshine days in June:
26.4 days
- Average sunshine days in July:
26.3 days - Average sunshine days in August:
24.8 days - Average sunshine days in September:
26 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
24 days - Average sunshine days in December:
22.1 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index
San Quentin, CA
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
San Quentin, CA
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility
San Quentin, 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).
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