Monthly weather forecast and climate
Boulder Creek, CA

Weather in January

January, like December, is another mild winter month in Boulder Creek, California, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 57.7°F (14.3°C). In Boulder Creek, the average high-temperature is relatively the same as in December - a still moderate 57.7°F (14.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Boulder Creek, California, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 46.4°F (8°C). In February, the average high-temperature is almost the same as in January - a still moderate 58.1°F (14.5°C). Weather in February »

Weather in March

The first month of the spring, March, is also a moderate month in Boulder Creek, California, with average temperature ranging between min 46.9°F (8.3°C) and max 59.4°F (15.2°C). In Boulder Creek, the average high-temperature is practically the same as in February - a still moderate 59.4°F (15.2°C). Weather in March »

Weather in April

April in Boulder Creek, California, is an enjoyable spring month, with average temperature ranging between max 62.4°F (16.9°C) and min 48°F (8.9°C). In April, the average high-temperature is almost the same as in March - an enjoyable 62.4°F (16.9°C). Weather in April »

Weather in May

The last month of the spring, May, is another comfortable month in Boulder Creek, California, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 50°F (10°C). In Boulder Creek, the average high-temperature is essentially the same as in April - a still comfortable 64.2°F (17.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Boulder Creek, California, with average temperature ranging between min 52.9°F (11.6°C) and max 69.8°F (21°C). In June, the average high-temperature marginally rises, from a comfortable 64.2°F (17.9°C) in May, to an agreeable 69.8°F (21°C). Weather in June »

Weather in July

July, like June, is another pleasant summer month in Boulder Creek, California, with average temperature ranging between min 54.5°F (12.5°C) and max 72.3°F (22.4°C). In July, the average high-temperature is almost the same as in June - a still pleasant 72.3°F (22.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Boulder Creek, California, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 56.1°F (13.4°C). The warmest month is August, with an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 56.1°F (13.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Boulder Creek, California, with average temperature varying between 56.3°F (13.5°C) and 72.5°F (22.5°C). In Boulder Creek, the average high-temperature in September is essentially the same as in August - a still pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, in Boulder Creek, California, is an agreeable autumn month, with average temperature fluctuating between 54.5°F (12.5°C) and 68.5°F (20.3°C). In Boulder Creek, the average high-temperature is essentially the same as in September - a still pleasant 68.5°F (20.3°C). Weather in October »

Weather in November

November, the last month of the autumn, in Boulder Creek, is another comfortable month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 50.2°F (10.1°C). In Boulder Creek, the average high-temperature slightly decreases, from a pleasant 68.5°F (20.3°C) in October, to a comfortable 62.4°F (16.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Boulder Creek, California, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 56.3°F (13.5°C). The coldest month is December, with an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 46.8°F (8.2°C). Weather in December »
[Resources]

FAQ

How much does it rain in Boulder Creek?

Throughout the year, in Boulder Creek, California, there are 74.2 rainfall days, and 13.82" (351mm) of precipitation is accumulated.

What is the rainiest month in Boulder Creek?

The month with the most rainfall in Boulder Creek is February when the rain falls for 9.1 days and typically aggregates up to 2.64" (67mm) of precipitation.

What is the month with the lowest UV index in Boulder Creek?

Months with the lowest UV index in Boulder Creek are February, November and December, with an average maximum UV index of 3.

What is the most humid month in Boulder Creek?

The most humid month is March, with an average relative humidity of 76%.

When are the longest days in Boulder Creek?

With an average of 14.7h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Boulder Creek?

Months with the highest UV index in Boulder Creek, California, are June through September, with an average maximum UV index of 5.

What is the driest month in Boulder Creek?

The month with the least rainfall in Boulder Creek, California, is July when the rain falls for 1.6 days and typically collects 0.04" (1mm) of precipitation.

What month has the most sunshine in Boulder Creek?

The month with the most sunshine in Boulder Creek is July, with an average of 12h of sunshine.

What is the warmest month in Boulder Creek?

The warmest month in Boulder Creek is August, with an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 56.1°F (13.4°C).

What are the least humid months in Boulder Creek?

Months with the lowest humidity in Boulder Creek are October and November, with an average relative humidity of 69%.

What is the coldest month in Boulder Creek?

December is the coldest month in Boulder Creek, California, with an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 46.8°F (8.2°C).

What is the month with the shortest days in Boulder Creek?

The month with the shortest days in Boulder Creek is December, with an average of 9.7h of daylight.

What is the month with the least sunshine in Boulder Creek?

December has the least sunshine of the year in Boulder Creek, California, with an average of 5.9h of sunshine.

Average temperature
Boulder Creek, CA

Average temperature - Boulder Creek, CA

The warmest month (with the highest average high temperature) is August (72.9°F).
The month with the lowest average high temperature is December (56.3°F).

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is February (46.4°F).

[Resources]

Average pressure
Boulder Creek, CA

Average pressure - Boulder Creek, CA

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

[Resources]

Average wind speed
Boulder Creek, CA

Average wind speed - Boulder Creek, CA

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity
Boulder Creek, CA

Average humidity - Boulder Creek, CA

The month with the highest relative humidity is March (76%).
Months with the lowest relative humidity are October and November (69%).

[Resources]

Average rainfall
Boulder Creek, CA

Average rainfall - Boulder Creek, CA

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.04").

[Resources]

Average rainfall days
Boulder Creek, CA

Average rainfall days - Boulder Creek, CA

The month with the highest number of rainy days is March (13.3 days).
Months with the least rainy days are June and August (1.4 days).

[Resources]

Average daylight / Average sunshine
Boulder Creek, CA

Average daylight / Average sunshine - Boulder Creek, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.9h).

[Resources]

Average sunshine days
Boulder Creek, CA

Average sunshine days - Boulder Creek, CA

The month with the most sunshine days is June (27.3 days).
The month with the least sunshine days is March (16.6 days).

[Resources]

Average UV index
Boulder Creek, CA

Average UV index - Boulder Creek, CA

Months with the highest UV index are June, July, August and September (UV index 5).
Months with the lowest UV index are February, November and December (UV index 3).

[Resources]

Average visibility
Boulder Creek, CA

Average visibility - Boulder Creek, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]