Monthly weather forecast and climate
Atwater, CA

Weather in January

January, the same as December, in Atwater, California, is a moderate winter month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 42.1°F (5.6°C). In January, the average high-temperature is essentially the same as in December - a still moderate 58.5°F (14.7°C). Weather in January »

Weather in February

February, the last month of the winter, in Atwater, is an enjoyable month, with average temperature fluctuating between 42.3°F (5.7°C) and 61.3°F (16.3°C). In Atwater, the average high-temperature in February is essentially the same as in January - an enjoyable 61.3°F (16.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Atwater, is still a comfortable month, with average temperature fluctuating between 44.6°F (7°C) and 66.4°F (19.1°C). In March, the average high-temperature is almost the same as in February - a still enjoyable 66.4°F (19.1°C). Weather in March »

Weather in April

April in Atwater, California, is a pleasant spring month, with average temperature varying between 48.2°F (9°C) and 73°F (22.8°C). In April, the average high-temperature slightly increases, from an enjoyable 66.4°F (19.1°C) in March, to a pleasant 73°F (22.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Atwater, is a warm month, with average temperature ranging between max 81°F (27.2°C) and min 54.1°F (12.3°C). In May, the average high-temperature slightly increases, from a pleasant 73°F (22.8°C) in April, to a warm 81°F (27.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Atwater, California, with average temperature varying between 60.3°F (15.7°C) and 91.6°F (33.1°C). In Atwater, California, the average high-temperature in June rises, from a moderately hot 81°F (27.2°C) in May, to a tropical 91.6°F (33.1°C). Weather in June »

Weather in July

July is a very hot summer month in Atwater, California, with average temperature fluctuating between 63.9°F (17.7°C) and 98.6°F (37°C). With an average high-temperature of 98.6°F (37°C) and an average low-temperature of 63.9°F (17.7°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer, in Atwater, is also a sweltering month, with average temperature ranging between min 63.3°F (17.4°C) and max 97.3°F (36.3°C). In Atwater, the average high-temperature is relatively the same as in July - a still sweltering 97.3°F (36.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Atwater, is still a hot month, with average temperature varying between 61.3°F (16.3°C) and 91.4°F (33°C). In September, the average high-temperature slightly decreases, from a torrid 97.3°F (36.3°C) in August, to a tropical 91.4°F (33°C). Weather in September »

Weather in October

October, like September, in Atwater, California, is another warm autumn month, with average temperature fluctuating between 78.4°F (25.8°C) and 54.9°F (12.7°C). In October, the average high-temperature decreases, from a tropical 91.4°F (33°C) in September, to a moderately hot 78.4°F (25.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Atwater, California, with average temperature fluctuating between 46.8°F (8.2°C) and 65.7°F (18.7°C). In November, the average high-temperature decreases, from a moderately hot 78.4°F (25.8°C) in October, to an enjoyable 65.7°F (18.7°C). Weather in November »

Weather in December

December, the first month of the winter, in Atwater, is still a mild month, with average temperature fluctuating between 41.9°F (5.5°C) and 56.1°F (13.4°C). December is the coldest month, with an average high-temperature of 56.1°F (13.4°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 Atwater?

With an average relative humidity of 71%, January is the most humid month in Atwater, California.

How many days does it rain in Atwater?

Throughout the year, in Atwater, there are 36.8 rainfall days, and 3.03" (77mm) of precipitation is accumulated.

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

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

What is the rainiest month in Atwater?

Months with the most rainfall in Atwater are March and December, with an average 0.55" (14mm) of precipitation.

What is the driest month in Atwater?

June through September are months with the least rain in Atwater when the rain falls for 0.5 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days in Atwater?

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

What are the months with the highest UV index in Atwater?

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

What is the warmest month in Atwater?

With an average high-temperature of 98.6°F (37°C) and an average low-temperature of 63.9°F (17.7°C), July is the warmest month in Atwater, California.

What is the least humid month in Atwater?

With an average relative humidity of 34%, July is the least humid month in Atwater.

What month has the most sunshine in Atwater?

With an average of 12.2h of sunshine, July has the most sunshine of the year in Atwater.

What is the coldest month in Atwater?

The coldest month in Atwater is December, with an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 41.9°F (5.5°C).

What is the month with the shortest days in Atwater?

The month with the shortest days in Atwater, California, is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in Atwater?

With an average of 6.2h of sunshine, December has the least sunshine of the year in Atwater, California.

Average temperature
Atwater, CA

Average temperature - Atwater, CA

The warmest month (with the highest average high temperature) is July (98.6°F).
The month with the lowest average high temperature is December (56.1°F).

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure
Atwater, CA

Average pressure - Atwater, 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
Atwater, CA

Average wind speed - Atwater, CA

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average rainfall
Atwater, CA

Average rainfall - Atwater, CA

The wettest months (with the highest rainfall) are March and December (0.55").
The driest months (with the least rainfall) are June, July, August and September (0.04").

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Average rainfall days
Atwater, CA

Average rainfall days - Atwater, CA

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (0.5 days).

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Average daylight / Average sunshine
Atwater, CA

Average daylight / Average sunshine - Atwater, 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: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.2h).

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Average sunshine days
Atwater, CA

Average sunshine days - Atwater, CA

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is February (23 days).

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Average UV index
Atwater, CA

Average UV index - Atwater, 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
Atwater, CA

Average visibility - Atwater, 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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