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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, like December, is another mild winter month in San Rafael, California, with an average temperature fluctuating between 45.5°F (7.5°C) and 56.1°F (13.4°C). The beginning of January records an average high-temperature of a still refreshing 56.1°F (13.4°C), almost echoing the conditions of the previous month. Weather in January »
Weather in February
The last month of the winter, February, is also a moderate month in San Rafael, California, 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). The shift into February reveals an average high-temperature of a still moderate 57.9°F (14.4°C), closely mirroring January's climate. Weather in February »
Weather in March
March, the first month of the spring in San Rafael, is also a moderate month, with an average temperature ranging between min 46.9°F (8.3°C) and max 59.4°F (15.2°C). During March, San Rafael records an average high-temperature of a still moderate 59.4°F (15.2°C), marking a slight divergence from February's 57.9°F (14.4°C). Weather in March »
Weather in April
April is an enjoyable spring month in San Rafael, California, with an average temperature varying between 48.6°F (9.2°C) and 62.8°F (17.1°C). The introduction of April sees an average high-temperature of a comfortable 62.8°F (17.1°C), hardly deviating from March. Weather in April »
Weather in May
May, the last month of the spring in San Rafael, is also an enjoyable month, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 64.9°F (18.3°C). Entering May, San Rafael's average high-temperature reads a still comfortable 64.9°F (18.3°C), indicating a close resemblance to the previous month's climate. Weather in May »
Weather in June
June, the first month of the summer in San Rafael, is a pleasant month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 69.1°F (20.6°C). June welcomes an average high-temperature of an agreeable 69.1°F (20.6°C), not much different from the preceding month. Weather in June »
Weather in July
July, the same as June, in San Rafael, California, is another pleasant summer month, with an average temperature fluctuating between 54.3°F (12.4°C) and 70.5°F (21.4°C). San Rafael's average high-temperature marks a still agreeable 70.5°F (21.4°C) with the advent of July, closely mirroring that of the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in San Rafael, California, with an average temperature ranging between max 71.2°F (21.8°C) and min 55.4°F (13°C). The commencement of August introduces an average high-temperature of a still pleasant 71.2°F (21.8°C), closely mirroring the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in San Rafael, California, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 56.1°F (13.4°C). San Rafael's temperature records reveal September as the warmest month, marked by average highs of 72.3°F (22.4°C) and lows of 56.1°F (13.4°C). Weather in September »
Weather in October
October, the same as September, in San Rafael, California, is an agreeable autumn month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 54.3°F (12.4°C). The initiation of October sees an average high-temperature of a still pleasant 68.9°F (20.5°C), showing minor variations from the previous month. Weather in October »
Weather in November
November, the last month of the autumn in San Rafael, is another comfortable month, with an average temperature ranging between min 49.6°F (9.8°C) and max 61.5°F (16.4°C). The transition into November is accompanied by a slight temperature decrease, with the average high-temperature shifting from an agreeable 68.9°F (20.5°C) in October to a refreshing 61.5°F (16.4°C). Weather in November »
Weather in December
December, the first month of the winter in San Rafael, is also a moderate month, with an average temperature ranging between min 45.3°F (7.4°C) and max 55.4°F (13°C). San Rafael witnesses the coldest weather in December, with temperatures averaging a high of 55.4°F (13°C) and a low of 45.3°F (7.4°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in San Rafael?
In San Rafael, California, during the entire year, the rain falls for 48 days and collects up to 3.94" (100mm) of precipitation.
What are the months with the lowest UV index in San Rafael?
The months with the lowest UV index in San Rafael, California, are January, February, November and December, with an average maximum UV index of 3.
What is the rainiest month in San Rafael?
The month with the most rainfall in San Rafael is February, when the rain falls for 5.3 days and typically aggregates up to 0.87" (22mm) of precipitation.
What is the most humid month in San Rafael?
March is the most humid month, with an average relative humidity of 77%.
When is Daylight Saving Time (DST) in San Rafael?
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 are the months with the highest UV index in San Rafael?
The months with the highest UV index are April, June through September, with an average maximum UV index of 5.
What is the driest month in San Rafael?
The months with the least rainfall are June through September Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.
When are the longest days in San Rafael?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What month has the most sunshine in San Rafael?
With an average of 11.2h of sunshine, July has the most sunshine of the year in San Rafael.
What is the hottest time of year in San Rafael?
Temperature records in San Rafael, California, mark September as the warmest month, with highs averaging 72.3°F (22.4°C) and lows at 56.1°F (13.4°C).
What is the least humid month in San Rafael?
With an average relative humidity of 68%, October is the least humid month.
What are the coldest months in San Rafael?
The lowest temperatures in San Rafael, California, are recorded in December, with averages reaching a high of 55.4°F (13°C) and a low of 45.3°F (7.4°C).
What is the month with the shortest days in San Rafael?
December has the shortest days of the year in San Rafael, California, with an average of 9h and 36min of daylight.
What is the month with the least sunshine in San Rafael?
The month with the least sunshine in San Rafael, California, is December, with an average of 5.5h of sunshine.
Average temperature
San Rafael, 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 Rafael, 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 Rafael, 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 Rafael, CA
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall
San Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, 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 Rafael, California, USA
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