Climate and monthly weather forecast
San Jacinto, CA

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Weather in January

January in San Jacinto, California, is an enjoyable winter month, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 42.4°F (5.8°C). San Jacinto's average high-temperature in January is an enjoyable 61°F (16.1°C), marking an insignificant difference from the 58.6°F (14.8°C) of December. Weather in January »

Weather in February

February, the last month of the winter in San Jacinto, is another comfortable month, with an average temperature fluctuating between 61.2°F (16.2°C) and 41.5°F (5.3°C). San Jacinto signifies an average high-temperature of a still refreshing 61.2°F (16.2°C) in February, closely mirroring the 61°F (16.1°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in San Jacinto, California, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 65.1°F (18.4°C). San Jacinto records an average high-temperature of a still refreshing 65.1°F (18.4°C) as March arrives, nearly mirroring the previous month's climate. Weather in March »

Weather in April

April is an agreeable spring month in San Jacinto, California, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 45.7°F (7.6°C). San Jacinto records a slight change with April's average high-temperatures adjusting to a pleasant 70.2°F (21.2°C) from March's 65.1°F (18.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in San Jacinto, California, with an average temperature ranging between min 49.5°F (9.7°C) and max 74.8°F (23.8°C). May ushers in an average high-temperature of a moderately hot 74.8°F (23.8°C), aligning closely with the preceding month. Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in San Jacinto, California, with an average temperature ranging between min 54.9°F (12.7°C) and max 84°F (28.9°C). June brings an increase in the average high-temperature, progressing from a warm 74.8°F (23.8°C) in May to a still moderately hot 84°F (28.9°C). Weather in June »

Weather in July

July is a tropical summer month in San Jacinto, California, with an average temperature varying between 89.8°F (32.1°C) and 62.2°F (16.8°C). A soft shift in the average high-temperature is noticeable in July, transitioning from a warm 84°F (28.9°C) in June to a hot 89.8°F (32.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in San Jacinto, California, with an average temperature varying between 90.5°F (32.5°C) and 63.1°F (17.3°C). With its high average temperature of 90.5°F (32.5°C) and a low of 63.1°F (17.3°C), August is regarded as the warmest month. For August, the heat index is appraised at a tropical 91.4°F (33°C). Weather in August »

Weather in September

September, the first month of the autumn in San Jacinto, is also a moderately hot month, with an average temperature varying between 61°F (16.1°C) and 85.5°F (29.7°C). In September, San Jacinto's weather conditions record an average high-temperature of a moderately hot 85.5°F (29.7°C), demonstrating little divergence from the preceding month. Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in San Jacinto, California, with an average temperature fluctuating between 52.9°F (11.6°C) and 76.5°F (24.7°C). San Jacinto's progression into October involves a drop in the average high-temperature, receding from 85.5°F (29.7°C) in September to a still warm 76.5°F (24.7°C). Weather in October »

Weather in November

November, the last month of the autumn in San Jacinto, is another comfortable month, with an average temperature varying between 46.6°F (8.1°C) and 67.3°F (19.6°C). In November, the average high-temperature goes from a moderately hot 76.5°F (24.7°C) in October to a comfortable 67.3°F (19.6°C). Weather in November »

Weather in December

December, the first month of the winter in San Jacinto, is still a refreshing month, with temperature in the range of an average low of 41°F (5°C) and an average high of 58.6°F (14.8°C). The coldest month is December, with an average high-temperature of 58.6°F (14.8°C) and an average low-temperature of 41°F (5°C). Weather in December »

Frequently asked questions

How many days does it rain in San Jacinto?

In San Jacinto, during the entire year, the rain falls for 54 days and collects up to 6.61" (168mm) of precipitation.

When it does not snow in San Jacinto?

January through November are months without snowfall in San Jacinto, California.

How much does it snow in San Jacinto?

Throughout the year, in San Jacinto, 0.04" (1mm) of snow is accumulated.

What is the most humid month in San Jacinto?

February, March and May, with an average relative humidity of 56%, are most humid months in San Jacinto.

What is the wettest month in San Jacinto?

February is the month with the most rainfall. Rain falls for 6 days and accumulates 1.38" (35mm) of precipitation.

What is the month with the least sunshine in San Jacinto?

The months with the least sunshine in San Jacinto are February and December, with an average of 6.7h of sunshine.

When is Daylight Saving Time (DST) in San Jacinto?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in San Jacinto, 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 is the driest month in San Jacinto?

June is the month with the least rainfall. Rain falls for 1.6 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days in San Jacinto?

The month with the longest days in San Jacinto is June, with an average of 14h and 24min of daylight.

What are the months with the most sunshine in San Jacinto?

The months with the most sunshine in San Jacinto, California, are June and July, with an average of 12.1h of sunshine.

What is the month with the highest UV index in San Jacinto?

The month with the highest UV index is July, with an average maximum UV index of 7.

What time of the year is the hottest in San Jacinto?

In San Jacinto, August registers the highest temperatures, averaging 90.5°F (32.5°C) at the peak and 63.1°F (17.3°C) at the lowest.

What is the least humid month in San Jacinto?

The least humid month in San Jacinto is August, with an average relative humidity of 41%.

What are the months with the lowest UV index in San Jacinto?

November and December, with an average maximum UV index of 3, are months with the lowest UV index in San Jacinto, California.

What month is the coldest in San Jacinto?

December is the coldest month of the year, registering average temperatures as high as 58.6°F (14.8°C) and as low as 41°F (5°C).

When does it snow in San Jacinto?

The only month with snowfall is December.

What is the snowiest month in San Jacinto?

The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

What is the month with the shortest days in San Jacinto?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

Average temperature
San Jacinto, CA

Average temperature - San Jacinto, CA

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is December (58.6°F).

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

Average pressure
San Jacinto, CA

Average pressure - San Jacinto, CA

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
San Jacinto, CA

Average wind speed - San Jacinto, CA

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

Average humidity
San Jacinto, CA

Average humidity - San Jacinto, CA

The months with the highest relative humidity are February, March and May (56%).
The month with the lowest relative humidity is August (41%).

Average rainfall
San Jacinto, CA

Average rainfall - San Jacinto, CA

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days
San Jacinto, CA

Average rainfall days - San Jacinto, CA

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.6 days).

Average snowfall
San Jacinto, CA

Average snowfall - San Jacinto, CA

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days
San Jacinto, CA

Average snowfall days - San Jacinto, CA

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 daylight / Average sunshine
San Jacinto, CA

Average daylight / Average sunshine - San Jacinto, CA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

Average sunshine days
San Jacinto, CA

Average sunshine days - San Jacinto, CA

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is February (20.9 days).

Average visibility
San Jacinto, CA

Average visibility - San Jacinto, 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 Jacinto, California, USA

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