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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
Weather in January
January, the same as December, is another enjoyable winter month in San Marino, California, with an average temperature varying between 48.4°F (9.1°C) and 65.1°F (18.4°C). The onset of January manifests an average high-temperature of a still enjoyable 65.1°F (18.4°C), demonstrating a minor variation from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in San Marino, California, with an average temperature varying between 47.1°F (8.4°C) and 64.9°F (18.3°C). In San Marino, February's average high-temperature stands at a still enjoyable 64.9°F (18.3°C), closely related to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an agreeable month in San Marino, California, with an average temperature ranging between min 48.7°F (9.3°C) and max 68°F (20°C). With the onset of March, the average high-temperature stands at a pleasant 68°F (20°C), closely aligned with February's 64.9°F (18.3°C). Weather in March »
Weather in April
April, like March, is an agreeable spring month in San Marino, California, with an average temperature fluctuating between 51.4°F (10.8°C) and 72.1°F (22.3°C). The transition from March to April sees average high-temperatures adjusting to a still agreeable 72.1°F (22.3°C), from a not significantly different 68°F (20°C). Weather in April »
Weather in May
May, the last month of the spring in San Marino, is a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 54.5°F (12.5°C). The dawn of May sees an average high-temperature of a warm 74.8°F (23.8°C), subtly contrasting with April's 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in San Marino, California, with an average temperature fluctuating between 57.7°F (14.3°C) and 80.2°F (26.8°C). June signals a minor shift in the average high-temperature, moving from May's 74.8°F (23.8°C) to a still warm 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in San Marino, California, with an average temperature ranging between max 85.5°F (29.7°C) and min 63.3°F (17.4°C). The introduction of July notes a subtle temperature variation to a still moderately hot 85.5°F (29.7°C) from June's 80.2°F (26.8°C). Weather in July »
Weather in August
August, the last month of the summer in San Marino, is a hot month, with an average temperature fluctuating between 87.1°F (30.6°C) and 64.8°F (18.2°C). With average temperatures fluctuating between a high of 87.1°F (30.6°C) and a low of 64.8°F (18.2°C), August stands out as the warmest month. During August, the heat index is evaluated at a hot 89.6°F (32°C). Weather in August »
Weather in September
September, the first month of the autumn in San Marino, is also a moderately hot month, with an average temperature varying between 63.5°F (17.5°C) and 84.7°F (29.3°C). The initiation of September records an average high-temperature of a warm 84.7°F (29.3°C), displaying a near consistency with the previous month. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in San Marino, California, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 78.1°F (25.6°C). October's onset introduces a mild reduction in the average high-temperature, from a warm 84.7°F (29.3°C) in September to a still moderately hot 78.1°F (25.6°C). Weather in October »
Weather in November
November, the last month of the autumn in San Marino, is another pleasant month, with an average temperature varying between 53.1°F (11.7°C) and 70.9°F (21.6°C). The arrival of November signals a subtle shift in temperature, down from a moderately hot 78.1°F (25.6°C) in October to an agreeable 70.9°F (21.6°C). Weather in November »
Weather in December
December, the first month of the winter in San Marino, is still a refreshing month, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.5°F (8.6°C). The coldest temperatures occur during December, when averages reach a peak of 63.1°F (17.3°C) and a low of 47.5°F (8.6°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in San Marino?
Throughout the year, in San Marino, California, there are 45 rainfall days, and 6.61" (168mm) of precipitation is accumulated.
What are the months with the least sunshine in San Marino?
The months with the least sunshine are January, February and December, with an average of 6.9h of sunshine.
When is the lowest UV index in San Marino?
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in San Marino.
When is Daylight Saving Time (DST) in San Marino?
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.
What is the most humid month in San Marino?
June is the most humid month, with an average relative humidity of 59%.
What is the driest month in San Marino?
June is the month with the least rainfall in San Marino. Rain falls for 1.2 days and accumulates 0.04" (1mm) of precipitation.
When are the longest days in San Marino?
June has the longest days of the year in San Marino, with an average of 14h and 24min of daylight.
What is the month with the highest UV index in San Marino?
June through September, with an average maximum UV index of 6, are months with the highest UV index in San Marino, California.
What month has the most sunshine in San Marino?
The month with the most sunshine is July, with an average of 12.1h of sunshine.
What part of the year is the hottest in San Marino?
August, recognised by an average high temperature of 87.1°F (30.6°C) and a low of 64.8°F (18.2°C), is San Marino's warmest month.
What is the least humid month in San Marino?
With an average relative humidity of 47%, November is the least humid month in San Marino.
What is the coldest month in San Marino?
December, known for its average high temperature of 63.1°F (17.3°C) and an average low temperature of 47.5°F (8.6°C), is the coldest month in San Marino, California.
What is the rainiest month in San Marino?
The month with the most rainfall in San Marino is December, when the rain falls for 4.9 days and typically aggregates up to 1.34" (34mm) of precipitation.
What is the month with the shortest days in San Marino?
December has the shortest days of the year in San Marino, California, with an average of 9h and 54min of daylight.
Average temperature
San Marino, CA
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (63.1°F).
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).
Average pressure
San Marino, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
San Marino, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity
San Marino, CA
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall
San Marino, CA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.3" - Average rainfall in March:
0.83" - Average rainfall in April:
0.51" - Average rainfall in May:
0.16" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.12" - Average rainfall in September:
0.16" - Average rainfall in October:
0.2" - Average rainfall in November:
0.63" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
San Marino, CA
- Average rainfall days in January:
4.9 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
4.6 days - Average rainfall days in May:
3.4 days - Average rainfall days in June:
1.2 days
- Average rainfall days in July:
3.6 days - Average rainfall days in August:
2.3 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
2.6 days - Average rainfall days in November:
3.6 days - Average rainfall days in December:
4.9 days
The month with the highest number of rainy days is March (5.8 days).
The month with the least rainy days is June (1.2 days).
Average daylight / Average sunshine
San Marino, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
9h and 0min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 4min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days
San Marino, CA
- Average sunshine days in January:
25.3 days - Average sunshine days in February:
22.3 days - Average sunshine days in March:
24.9 days - Average sunshine days in April:
24.8 days - Average sunshine days in May:
25.3 days - Average sunshine days in June:
27.1 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
25 days - Average sunshine days in October:
26.7 days - Average sunshine days in November:
25.6 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is June (27.1 days).
The month with the least sunshine days is February (22.3 days).
Average UV index
San Marino, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover
San Marino, CA
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
San Marino, 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).
San Marino, California, USA
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