Climate and monthly weather forecastSan Martin, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in San Martin, California, is another refreshing winter month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 40.8°F (4.9°C). San Martin starts January with an average high-temperature of a still refreshing 58.1°F (14.5°C), hinting at a minimal fluctuation from December. Weather in January »Weather in February
February, the last month of the winter in San Martin, is also a moderate month, with an average temperature fluctuating between 40.6°F (4.8°C) and 59.7°F (15.4°C). At the start of February, San Martin's average high-temperature reaches a still moderate 59.7°F (15.4°C), subtly different from the preceding month. Weather in February »Weather in March
March, the first month of the spring in San Martin, is an enjoyable month, with an average temperature fluctuating between 40.5°F (4.7°C) and 62.6°F (17°C). The average high-temperature is a comfortable 62.6°F (17°C) in March, hardly different from the 59.7°F (15.4°C) recorded in February. Weather in March »Weather in April
April, the same as March, is another refreshing spring month in San Martin, California, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 67.5°F (19.7°C). San Martin experiences a subtle adjustment in high-temperatures to a still comfortable 67.5°F (19.7°C) with the onset of April, maintaining near parity with March's 62.6°F (17°C). Weather in April »Weather in May
May, the last month of the spring in San Martin, is an agreeable month, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 46.6°F (8.1°C). San Martin, California, ushers in May with an average high-temperature of a pleasant 72.5°F (22.5°C), showing a close resemblance to the previous month. Weather in May »Weather in June
June, the first month of the summer in San Martin, is a warm month, with an average temperature fluctuating between 51.4°F (10.8°C) and 81°F (27.2°C). In San Martin, the average high-temperature in June slightly increases from an agreeable 72.5°F (22.5°C) in May to a moderately hot 81°F (27.2°C). Weather in June »Weather in July
July in San Martin, California, is a hot summer month, with an average temperature ranging between max 86.5°F (30.3°C) and min 54.7°F (12.6°C). July brings the highest temperatures, with an average high of 86.5°F (30.3°C) and an average low of 54.7°F (12.6°C). For July, the heat index is computed to be a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in San Martin, California, with an average temperature varying between 55°F (12.8°C) and 85.8°F (29.9°C). A minimal variation is noted in San Martin's average high-temperature at the onset of August, reaching a moderately hot 85.8°F (29.9°C) from July's 86.5°F (30.3°C). Weather in August »Weather in September
September, the first month of the autumn in San Martin, is also a moderately hot month, with an average temperature fluctuating between 83.5°F (28.6°C) and 54.5°F (12.5°C). The arrival of September marks a slight shift to an average high-temperature of a still warm 83.5°F (28.6°C) from August's 85.8°F (29.9°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in San Martin, California, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 74.7°F (23.7°C). San Martin's October weather features a light decline in high-temperatures, reducing from a moderately hot 83.5°F (28.6°C) in September to a still warm 74.7°F (23.7°C). Weather in October »Weather in November
November, the last month of the autumn in San Martin, is also an enjoyable month, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 64.6°F (18.1°C). November comes with a decrease in the average high-temperature, falling from a warm 74.7°F (23.7°C) in October to an enjoyable 64.6°F (18.1°C). Weather in November »Weather in December
The first month of the winter, December, is also a moderate month in San Martin, California, with an average temperature varying between 40.1°F (4.5°C) and 55.8°F (13.2°C). December is the coldest month, with the temperature often reaching an average high of 55.8°F (13.2°C) and an average low of 40.1°F (4.5°C). Weather in December »Updated: Aug 8, 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
Throughout the year, in San Martin, California, there are 70.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
The most humid month is March, with an average relative humidity of 74%.
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.
The months with the least rainfall are June through August Rain falls for 1.7 days and accumulates 0.08" (2mm) of rain.
The month with the longest days is June, with an average of 14h and 42min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July is the warmest month, exhibiting average temperatures of 86.5°F (30.3°C) at the peak and 54.7°F (12.6°C) at the base.
July and September, with an average relative humidity of 55%, are the least humid months in San Martin.
The month with the most sunshine is July, with an average of 12.1h of sunshine.
During the coldest month in San Martin, December, temperatures average a high of 55.8°F (13.2°C) and a low of 40.1°F (4.5°C).
December is the month with the most rainfall. Rain falls for 9.7 days and accumulates 1.97" (50mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
December has the least sunshine of the year in San Martin, with an average of 6h of sunshine.
Average temperature
San Martin, CA
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (55.8°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure
San Martin, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"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
San Martin, CA
- Average wind speed in January:
4mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.7mph - Average wind speed in April:
5.1mph - Average wind speed in May:
5.4mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.3mph - Average wind speed in September:
4.2mph - Average wind speed in October:
4mph - Average wind speed in November:
3.9mph - Average wind speed in December:
4.1mph
The windiest month (with the highest average wind speed) is May (5.4mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity
San Martin, CA
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).
Average rainfall
San Martin, CA
- Average rainfall in January:
1.93" - Average rainfall in February:
1.89" - Average rainfall in March:
1.77" - Average rainfall in April:
0.87" - Average rainfall in May:
0.47" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.51" - Average rainfall in November:
1.06" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is December (1.97").
The driest months (with the least rainfall) are June, July and August (0.08").
Average rainfall days
San Martin, CA
- Average rainfall days in January:
9.2 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
4.9 days - Average rainfall days in June:
1.7 days
- Average rainfall days in July:
1.8 days - Average rainfall days in August:
1 days - Average rainfall days in September:
2.7 days - Average rainfall days in October:
4.4 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1 days).
Average daylight / Average sunshine
San Martin, CA
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - 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 30min - 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 42min
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 42min).
- Average sunshine in January:
6h and 18min - Average sunshine in February:
6h and 18min - Average sunshine in March:
8h and 6min - Average sunshine in April:
10h and 24min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 18min - 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
San Martin, CA
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
16.8 days - Average sunshine days in April:
21.1 days - Average sunshine days in May:
24.2 days - Average sunshine days in June:
27.1 days
- Average sunshine days in July:
28.1 days - Average sunshine days in August:
28.7 days - Average sunshine days in September:
26.2 days - Average sunshine days in October:
25.8 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (16.8 days).
Average UV index
San Martin, 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
San Martin, CA
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility
San Martin, 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).
