Monthly weather forecast and climate
San Juan Bautista, CA

Weather in January

January, the same as December, in San Juan Bautista, California, is a moderate winter month, with average temperature ranging between max 59.7°F (15.4°C) and min 41.5°F (5.3°C). In January, the average high-temperature is almost the same as in December - a still moderate 59.7°F (15.4°C). Weather in January »

Weather in February

February, the last month of the winter, in San Juan Bautista, is another mild month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 60.6°F (15.9°C). In San Juan Bautista, California, the average high-temperature is relatively the same as in January - a still mild 60.6°F (15.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in San Juan Bautista, California, with average temperature ranging between min 40.6°F (4.8°C) and max 63.5°F (17.5°C). In March, the average high-temperature is essentially the same as in February - a comfortable 63.5°F (17.5°C). Weather in March »

Weather in April

April is an agreeable spring month in San Juan Bautista, California, with temperature in the range of an average high of 68°F (20°C) and an average low of 42.4°F (5.8°C). In San Juan Bautista, the average high-temperature in April is almost the same as in March - a pleasant 68°F (20°C). Weather in April »

Weather in May

May, the last month of the spring, in San Juan Bautista, is also an agreeable month, with average temperature varying between 46°F (7.8°C) and 72.3°F (22.4°C). In San Juan Bautista, the average high-temperature is almost the same as in April - a still agreeable 72.3°F (22.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in San Juan Bautista, California, with average temperature ranging between max 80.1°F (26.7°C) and min 50.5°F (10.3°C). In June, the average high-temperature slightly increases, from an agreeable 72.3°F (22.4°C) in May, to a warm 80.1°F (26.7°C). Weather in June »

Weather in July

July, like June, in San Juan Bautista, California, is a moderately hot summer month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 53.8°F (12.1°C). July and August, with an average high-temperature of 84.7°F (29.3°C), are the warmest months. The average heat index in July is evaluated at a tropical 88.5°F (31.4°C). Weather in July »

Weather in August

August, the last month of the summer, in San Juan Bautista, is another warm month, with average temperature varying between 84.7°F (29.3°C) and 54.3°F (12.4°C). The warmest months are July and August, with an average high-temperature of 84.7°F (29.3°C). The average heat index in August is estimated at a tropical 89.1°F (31.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in San Juan Bautista, California, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 54.1°F (12.3°C). In September, the average high-temperature is practically the same as in August - a still moderately hot 83.3°F (28.5°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in San Juan Bautista, California, with average temperature ranging between max 75.4°F (24.1°C) and min 50.9°F (10.5°C). In October, the average high-temperature marginally drops, from a moderately hot 83.3°F (28.5°C) in September, to a still warm 75.4°F (24.1°C). Weather in October »

Weather in November

November, the last month of the autumn, in San Juan Bautista, is also an enjoyable month, with average temperature varying between 65.8°F (18.8°C) and 44.8°F (7.1°C). In San Juan Bautista, the average high-temperature in November decreases, from a moderately hot 75.4°F (24.1°C) in October, to an enjoyable 65.8°F (18.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in San Juan Bautista, California, with average temperature fluctuating between 57.6°F (14.2°C) and 40.6°F (4.8°C). With an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 40.6°F (4.8°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in San Juan Bautista?

Throughout the year, in San Juan Bautista, there are 50.5 rainfall days, and 5.43" (138mm) of precipitation is accumulated.

What is the month with the lowest UV index in San Juan Bautista?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the most humid month in San Juan Bautista?

The most humid month in San Juan Bautista, California, is March, with an average relative humidity of 74%.

What is the driest month in San Juan Bautista?

Months with the least rainfall in San Juan Bautista are June through September Rain falls for 0.7 days and accumulates 0.04" (1mm) of rain.

When are the longest days in San Juan Bautista?

The month with the longest days in San Juan Bautista is June, with an average of 14.7h of daylight.

What are the months with the highest UV index in San Juan Bautista?

June through August, with an average maximum UV index of 6, are months with the highest UV index in San Juan Bautista.

What are the warmest months in San Juan Bautista?

Warmest months in San Juan Bautista, California, are July and August, with an average high-temperature of 84.7°F (29.3°C).

What is the month with the most sunshine in San Juan Bautista?

July and August, with an average of 12h of sunshine, are months with the most sunshine in San Juan Bautista, California.

What is the least humid month in San Juan Bautista?

September is the least humid month in San Juan Bautista, with an average relative humidity of 58%.

What is the coldest month in San Juan Bautista?

The coldest month is December, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 40.6°F (4.8°C).

What is the rainiest month in San Juan Bautista?

The month with the most rainfall in San Juan Bautista is December when the rain falls for 7.4 days and typically aggregates up to 1.02" (26mm) of precipitation.

What is the month with the shortest days in San Juan Bautista?

The month with the shortest days in San Juan Bautista, California, is December, with an average of 9.7h of daylight.

What is the month with the least sunshine in San Juan Bautista?

December has the least sunshine of the year, with an average of 6h of sunshine.

Average temperature
San Juan Bautista, CA

Average temperature - San Juan Bautista, CA

The warmest months (with the highest average high temperature) are July and August (84.7°F).
The month with the lowest average high temperature is December (57.6°F).

The month with the highest average low temperature is August (54.3°F).
The coldest months (with the lowest average low temperature) are February, March and December (40.6°F).

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Average pressure
San Juan Bautista, CA

Average pressure - San Juan Bautista, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed
San Juan Bautista, CA

Average wind speed - San Juan Bautista, CA

The windiest month (with the highest average wind speed) is May (5.3mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).

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Average humidity
San Juan Bautista, CA

Average humidity - San Juan Bautista, CA

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is September (58%).

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Average rainfall
San Juan Bautista, CA

Average rainfall - San Juan Bautista, CA

The wettest month (with the highest rainfall) is December (1.02").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days
San Juan Bautista, CA

Average rainfall days - San Juan Bautista, CA

The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is August (0.5 days).

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Average daylight / Average sunshine
San Juan Bautista, CA

Average daylight / Average sunshine - San Juan Bautista, 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).

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days
San Juan Bautista, CA

Average sunshine days - San Juan Bautista, CA

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (20.6 days).

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Average UV index
San Juan Bautista, CA

Average UV index - San Juan Bautista, CA

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
San Juan Bautista, CA

Average visibility - San Juan Bautista, 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).

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