Monthly weather forecast and climate
Modesto, CA

Weather in January

January, the same as December, in Modesto, California, is another mild winter month, with average temperature ranging between min 41.9°F (5.5°C) and max 57.7°F (14.3°C). In January, the average high-temperature is relatively the same as in December - a still mild 57.7°F (14.3°C). Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Modesto, California, with average temperature varying between 42.3°F (5.7°C) and 61.2°F (16.2°C). In February, the average high-temperature is relatively the same as in January - an enjoyable 61.2°F (16.2°C). Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Modesto, California, with average temperature varying between 44.2°F (6.8°C) and 65.7°F (18.7°C). In March, the average high-temperature is essentially the same as in February - a still comfortable 65.7°F (18.7°C). Weather in March »

Weather in April

April is an agreeable spring month in Modesto, California, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 47.7°F (8.7°C). In April, the average high-temperature marginally rises, from an enjoyable 65.7°F (18.7°C) in March, to an agreeable 72.1°F (22.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Modesto, is a warm month, with average temperature fluctuating between 80.1°F (26.7°C) and 52.7°F (11.5°C). In Modesto, the average high-temperature slightly increases, from a pleasant 72.1°F (22.3°C) in April, to a warm 80.1°F (26.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Modesto, is a tropical month, with average temperature varying between 59.2°F (15.1°C) and 91°F (32.8°C). In Modesto, the average high-temperature rises, from a moderately hot 80.1°F (26.7°C) in May, to a hot 91°F (32.8°C). Weather in June »

Weather in July

July in Modesto, California, is a very hot summer month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 97.7°F (36.5°C). July is the warmest month, with an average high-temperature of 97.7°F (36.5°C) and an average low-temperature of 62.1°F (16.7°C). Weather in July »

Weather in August

August, the last month of the summer, in Modesto, is also a sweltering month, with average temperature ranging between min 61.7°F (16.5°C) and max 96.4°F (35.8°C). In Modesto, the average high-temperature in August is essentially the same as in July - a still very hot 96.4°F (35.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Modesto, is still a hot month, with average temperature ranging between max 90.9°F (32.7°C) and min 59.9°F (15.5°C). In Modesto, the average high-temperature slightly decreases, from a torrid 96.4°F (35.8°C) in August, to a hot 90.9°F (32.7°C). Weather in September »

Weather in October

October, like September, in Modesto, California, is a moderately hot autumn month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 77.9°F (25.5°C). In October, the average high-temperature drops, from a tropical 90.9°F (32.7°C) in September, to a warm 77.9°F (25.5°C). Weather in October »

Weather in November

November, the last month of the autumn, in Modesto, is another comfortable month, with average temperature ranging between min 46.9°F (8.3°C) and max 65.3°F (18.5°C). In Modesto, the average high-temperature decreases, from a warm 77.9°F (25.5°C) in October, to an enjoyable 65.3°F (18.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Modesto, California, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 41.9°F (5.5°C). The coldest month is December, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C). Weather in December »
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FAQ

What is the most humid month in Modesto?

With an average relative humidity of 72%, January is the most humid month.

How much does it rain in Modesto?

Throughout the year, in Modesto, California, there are 54.3 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

What is the month with the lowest UV index in Modesto?

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

What is the rainiest month in Modesto?

March is the month with the most rainfall. Rain falls for 10.3 days and accumulates 1.3" (33mm) of precipitation.

When are the longest days in Modesto?

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

What is the month with the highest UV index in Modesto?

Months with the highest UV index in Modesto are June through August, with an average maximum UV index of 7.

What is the warmest month in Modesto?

The warmest month in Modesto, California, is July, with an average high-temperature of 97.7°F (36.5°C) and an average low-temperature of 62.1°F (16.7°C).

What is the least humid month in Modesto?

July is the least humid month in Modesto, California, with an average relative humidity of 37%.

What is the driest month in Modesto?

Months with the least rainfall in Modesto, California, are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Modesto?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the coldest month in Modesto?

With an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C), December is the coldest month.

What is the month with the shortest days in Modesto?

December has the shortest days of the year, with an average of 9.6h of daylight.

What is the month with the least sunshine in Modesto?

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

Average temperature
Modesto, CA

Average temperature - Modesto, CA

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

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Average pressure
Modesto, CA

Average pressure - Modesto, CA

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Modesto, CA

Average wind speed - Modesto, CA

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

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Average rainfall
Modesto, CA

Average rainfall - Modesto, CA

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Modesto, CA

Average rainfall days - Modesto, CA

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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Average daylight / Average sunshine
Modesto, CA

Average daylight / Average sunshine - Modesto, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days
Modesto, CA

Average sunshine days - Modesto, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

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Average UV index
Modesto, CA

Average UV index - Modesto, CA

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Modesto, CA

Average visibility - Modesto, 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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