Monthly weather forecast and climate
El Rio, CA

Weather in January

January, like December, is another mild winter month in El Rio, California, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 60.4°F (15.8°C). In January, the average high-temperature is relatively the same as in December - a still mild 60.4°F (15.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in El Rio, California, with average temperature fluctuating between 59°F (15°C) and 50.5°F (10.3°C). With an average high-temperature of 59°F (15°C) and an average low-temperature of 50.5°F (10.3°C), February is the coldest month. Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in El Rio, California, with average temperature varying between 51.4°F (10.8°C) and 60.8°F (16°C). In El Rio, the average high-temperature in March is relatively the same as in February - a comfortable 60.8°F (16°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in El Rio, California, with average temperature ranging between max 63.1°F (17.3°C) and min 52.5°F (11.4°C). In April, the average high-temperature is relatively the same as in March - a still enjoyable 63.1°F (17.3°C). Weather in April »

Weather in May

The last month of the spring, May, is also an enjoyable month in El Rio, California, with average temperature ranging between max 65.1°F (18.4°C) and min 55°F (12.8°C). In El Rio, the average high-temperature in May is almost the same as in April - a still comfortable 65.1°F (18.4°C). Weather in May »

Weather in June

June, the first month of the summer, in El Rio, is a pleasant month, with average temperature ranging between max 68.4°F (20.2°C) and min 58.5°F (14.7°C). In El Rio, the average high-temperature is practically the same as in May - an agreeable 68.4°F (20.2°C). Weather in June »

Weather in July

July, the same as June, in El Rio, California, is another pleasant summer month, with average temperature varying between 72.1°F (22.3°C) and 61.9°F (16.6°C). In El Rio, the average high-temperature in July is relatively the same as in June - a still agreeable 72.1°F (22.3°C). Weather in July »

Weather in August

The last month of the summer, August, is a moderately hot month in El Rio, California, with average temperature varying between 73.4°F (23°C) and 62.8°F (17.1°C). August and September, with an average high-temperature of 73.4°F (23°C), are the warmest months. Weather in August »

Weather in September

September, the first month of the autumn, in El Rio, is also a moderately hot month, with average temperature ranging between max 73.4°F (23°C) and min 63°F (17.2°C). August and September, with an average high-temperature of 73.4°F (23°C), are the warmest months. Weather in September »

Weather in October

October, like September, is another pleasant autumn month in El Rio, California, with average temperature varying between 69.8°F (21°C) and 59.9°F (15.5°C). In El Rio, the average high-temperature is almost the same as in September - an agreeable 69.8°F (21°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in El Rio, California, with average temperature varying between 65.3°F (18.5°C) and 55.6°F (13.1°C). In November, the average high-temperature is essentially the same as in October - a comfortable 65.3°F (18.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in El Rio, California, with average temperature varying between 50.5°F (10.3°C) and 59.9°F (15.5°C). In December, the average high-temperature marginally drops, from an enjoyable 65.3°F (18.5°C) in November, to a mild 59.9°F (15.5°C). Weather in December »
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FAQ

How much does it rain in El Rio?

In El Rio, during the entire year, the rain falls for 46.5 days and collects up to 8.31" (211mm) of precipitation.

What is the wettest month in El Rio?

January is the month with the most rainfall in El Rio, California. Rain falls for 5.3 days and accumulates 1.85" (47mm) of precipitation.

What is the month with the least sunshine in El Rio?

January and February, with an average of 6.8h of sunshine, are months with the least sunshine in El Rio, California.

What is the month with the lowest UV index in El Rio?

January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in El Rio, California.

What is the coldest month in El Rio?

February is the coldest month in El Rio, with an average high-temperature of 59°F (15°C) and an average low-temperature of 50.5°F (10.3°C).

What is the most humid month in El Rio?

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

What is the driest month in El Rio?

The month with the least rainfall is June when the rain falls for 1.8 days and typically collects 0.08" (2mm) of precipitation.

When are the longest days in El Rio?

June has the longest days of the year, with an average of 14.4h of daylight.

What are the months with the most sunshine in El Rio?

June through August, with an average of 12h of sunshine, are months with the most sunshine.

What is the warmest month in El Rio?

Warmest months are August and September, with an average high-temperature of 73.4°F (23°C).

What is the month with the highest UV index in El Rio?

August is the month with the highest UV index, with an average maximum UV index of 6.

What is the least humid month in El Rio?

November is the least humid month, with an average relative humidity of 57%.

What is the month with the shortest days in El Rio?

The month with the shortest days in El Rio, California, is December, with an average of 9.9h of daylight.

Average temperature
El Rio, CA

Average temperature - El Rio, CA

The warmest months (with the highest average high temperature) are August and September (73.4°F).
The month with the lowest average high temperature is February (59°F).

The month with the highest average low temperature is September (63°F).
The coldest months (with the lowest average low temperature) are February and December (50.5°F).

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Average pressure
El Rio, CA

Average pressure - El Rio, CA

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is September (29.9").

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Average wind speed
El Rio, CA

Average wind speed - El Rio, CA

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average rainfall
El Rio, CA

Average rainfall - El Rio, CA

The wettest month (with the highest rainfall) is January (1.85").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days
El Rio, CA

Average rainfall days - El Rio, CA

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.3 days).

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Average daylight / Average sunshine
El Rio, CA

Average daylight / Average sunshine - El Rio, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

Months with the most sunshine are June, July and August (Average sunshine: 12h).
Months with the least sunshine are January and February (Average sunshine: 6.8).

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Average sunshine days
El Rio, CA

Average sunshine days - El Rio, CA

The month with the most sunshine days is October (27.2 days).
The month with the least sunshine days is February (21.7 days).

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Average UV index
El Rio, CA

Average UV index - El Rio, CA

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average visibility
El Rio, CA

Average visibility - El Rio, 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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