Climate and monthly weather forecastBolinas, CA
Climate and monthly weather forecast
Weather in January
January in Bolinas, California, is a mild winter month, with an average temperature fluctuating between 55.9°F (13.3°C) and 46.6°F (8.1°C). January is marked by an average high-temperature of a mild 55.9°F (13.3°C), almost identical to the preceding month. Weather in January »Weather in February
February, the last month of the winter in Bolinas, is another refreshing month, with an average temperature ranging between max 57.4°F (14.1°C) and min 46.8°F (8.2°C). In February, Bolinas's weather conditions record an average high-temperature of a still mild 57.4°F (14.1°C), demonstrating little divergence from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Bolinas, is still a mild month, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 47.8°F (8.8°C). March's onset records a minor alteration in the average high-temperature to a still refreshing 59.2°F (15.1°C) from February's 57.4°F (14.1°C). Weather in March »Weather in April
April is a comfortable spring month in Bolinas, California, with an average temperature varying between 61.7°F (16.5°C) and 48.7°F (9.3°C). April's average high-temperature stands at a comfortable 61.7°F (16.5°C), showing little deviation from March's 59.2°F (15.1°C). Weather in April »Weather in May
May, the last month of the spring in Bolinas, is also an enjoyable month, with an average temperature ranging between max 63.3°F (17.4°C) and min 50.7°F (10.4°C). The transition into May reveals an average high-temperature of a still refreshing 63.3°F (17.4°C), mirroring a close resemblance to April. Weather in May »Weather in June
The first month of the summer, June, is still a comfortable month in Bolinas, California, with an average temperature fluctuating between 67.8°F (19.9°C) and 53.8°F (12.1°C). The onset of June marks an average high-temperature of a still refreshing 67.8°F (19.9°C), hardly differing from May's 63.3°F (17.4°C). Weather in June »Weather in July
July in Bolinas, California, is a pleasant summer month, with an average temperature varying between 68.5°F (20.3°C) and 54.9°F (12.7°C). The average high-temperature during July is a pleasant 68.5°F (20.3°C), almost matching the conditions of the preceding month. Weather in July »Weather in August
August, the last month of the summer in Bolinas, is another pleasant month, with an average temperature ranging between max 69.4°F (20.8°C) and min 56.1°F (13.4°C). Bolinas starts August with an average high-temperature of a still agreeable 69.4°F (20.8°C), a minor shift from July's 68.5°F (20.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Bolinas, California, with an average temperature varying between 70.9°F (21.6°C) and 56.3°F (13.5°C). September, with its average high-temperature of 70.9°F (21.6°C) and an average low-temperature of 56.3°F (13.5°C), holds the record as the warmest month. Weather in September »Weather in October
October, like September, in Bolinas, California, is another refreshing autumn month, with an average temperature varying between 67.5°F (19.7°C) and 54.7°F (12.6°C). As Bolinas steps into October, the average high-temperature is measured at a comfortable 67.5°F (19.7°C), displaying minor differences from September's 70.9°F (21.6°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Bolinas, California, with an average temperature ranging between max 61.2°F (16.2°C) and min 50.2°F (10.1°C). A subtle change in temperatures is noted as October gives way to November, with average highs reducing from 67.5°F (19.7°C) to a still refreshing 61.2°F (16.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Bolinas, California, with an average temperature ranging between min 46°F (7.8°C) and max 55.2°F (12.9°C). December stands out as Bolinas's coldest month, with an average high-temperature of 55.2°F (12.9°C) and a low-temperature of 46°F (7.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Bolinas, CA
The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).
Average pressure
Bolinas, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.04"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
Bolinas, CA
- Average wind speed in January:
6.5mph - Average wind speed in February:
7.5mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.5mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6mph - Average wind speed in November:
5.9mph - Average wind speed in December:
6.7mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).
Average humidity
Bolinas, CA
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall
Bolinas, CA
- Average rainfall in January:
2.64" - Average rainfall in February:
3.43" - Average rainfall in March:
2.56" - Average rainfall in April:
0.79" - Average rainfall in May:
0.71" - Average rainfall in June:
0.2"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.12" - Average rainfall in October:
0.83" - Average rainfall in November:
1.73" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days
Bolinas, CA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
5.7 days - Average rainfall days in June:
2.7 days
- Average rainfall days in July:
2.3 days - Average rainfall days in August:
2.7 days - Average rainfall days in September:
3.4 days - Average rainfall days in October:
5 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
10.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall days
Bolinas, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Bolinas, CA
The best month for swimming (with the highest average sea temperature) is September (56.9°F).
The coldest month (with the lowest average sea temperature) is June (52.4°F).
Average daylight / Average sunshine
Bolinas, 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 48min
- 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 6min - Average daylight in December:
9h and 36min
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 42min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
10h and 54min - Average sunshine in September:
10h and 30min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 36min
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 36min).
Average sunshine days
Bolinas, CA
- Average sunshine days in January:
20.1 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
16.6 days - Average sunshine days in April:
20.5 days - Average sunshine days in May:
22.8 days - Average sunshine days in June:
24.8 days
- Average sunshine days in July:
24.8 days - Average sunshine days in August:
23.4 days - Average sunshine days in September:
24.1 days - Average sunshine days in October:
24 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
18.7 days
The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).
Average UV index
Bolinas, CA
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover
Bolinas, 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
Bolinas, 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).





