Monthly weather forecast and climate
Etiwanda, CA

Weather in January

January, like December, in Etiwanda, California, is another enjoyable winter month, with average temperature ranging between min 46.2°F (7.9°C) and max 64°F (17.8°C). In January, the average high-temperature is relatively the same as in December - a still enjoyable 64°F (17.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Etiwanda, California, with average temperature ranging between max 64°F (17.8°C) and min 45.3°F (7.4°C). In Etiwanda, California, the average high-temperature remains equal as in January - a still enjoyable 64°F (17.8°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Etiwanda, California, with average temperature varying between 68.4°F (20.2°C) and 46.9°F (8.3°C). In March, the average high-temperature is essentially the same as in February - an agreeable 68.4°F (20.2°C). Weather in March »

Weather in April

April, the same as March, in Etiwanda, California, is another pleasant spring month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 72.9°F (22.7°C). In Etiwanda, the average high-temperature in April is relatively the same as in March - a still pleasant 72.9°F (22.7°C). Weather in April »

Weather in May

May, the last month of the spring, in Etiwanda, is a warm month, with average temperature ranging between max 76.6°F (24.8°C) and min 53.6°F (12°C). In Etiwanda, the average high-temperature in May is essentially the same as in April - a warm 76.6°F (24.8°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Etiwanda, California, with average temperature ranging between min 58.6°F (14.8°C) and max 84.7°F (29.3°C). In June, the average high-temperature marginally rises, from 76.6°F (24.8°C) in May, to a still moderately hot 84.7°F (29.3°C). Weather in June »

Weather in July

July in Etiwanda, California, is a hot summer month, with temperature in the range of an average high of 90.5°F (32.5°C) and an average low of 64.8°F (18.2°C). In July, the average high-temperature marginally rises, from a moderately hot 84.7°F (29.3°C) in June, to a hot 90.5°F (32.5°C). Weather in July »

Weather in August

August, the last month of the summer, in Etiwanda, is another hot month, with temperature in the range of an average high of 91.8°F (33.2°C) and an average low of 66.6°F (19.2°C). With an average high-temperature of 91.8°F (33.2°C) and an average low-temperature of 66.6°F (19.2°C), August is the warmest month. In August, the average heat index is calculated to a tropical 93.7°F (34.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Etiwanda, California, with average temperature varying between 88.3°F (31.3°C) and 63.7°F (17.6°C). In September, the average high-temperature is relatively the same as in August - a still hot 88.3°F (31.3°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Etiwanda, California, with average temperature fluctuating between 79.2°F (26.2°C) and 57.6°F (14.2°C). In October, the average high-temperature drops, from a hot 88.3°F (31.3°C) in September, to a warm 79.2°F (26.2°C). Weather in October »

Weather in November

November, the last month of the autumn, in Etiwanda, is another pleasant month, with average temperature fluctuating between 70.7°F (21.5°C) and 50.9°F (10.5°C). In November, the average high-temperature marginally drops, from a moderately hot 79.2°F (26.2°C) in October, to a pleasant 70.7°F (21.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Etiwanda, California, with average temperature fluctuating between 61.7°F (16.5°C) and 45.3°F (7.4°C). With an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 45.3°F (7.4°C), December is the coldest month. Weather in December »
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FAQ

How much does it rain in Etiwanda?

Throughout the year, in Etiwanda, there are 42.3 rainfall days, and 4.53" (115mm) of precipitation is accumulated.

How many days does it snow in Etiwanda?

In Etiwanda, during the entire year, snow falls for 0.1 days.

When it does not snow in Etiwanda?

January, March through December are months without snowfall.

What is the most humid month in Etiwanda?

February, March and May, with an average relative humidity of 53%, are most humid months in Etiwanda.

What is the wettest month in Etiwanda?

The month with the most rainfall is February when the rain falls for 4.5 days and typically aggregates up to 0.98" (25mm) of precipitation.

When does it snow in Etiwanda?

The only month with snowfall in Etiwanda is February.

What is the snowiest month in Etiwanda?

The month with the most snowfall days in Etiwanda is February when snow falls for 0.1 days.

What is the month with the least sunshine in Etiwanda?

Months with the least sunshine are February and December, with an average of 6.9h of sunshine.

What is the driest month in Etiwanda?

June is the month with the least rainfall in Etiwanda. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days in Etiwanda?

The month with the longest days in Etiwanda, California, is June, with an average of 14.4h of daylight.

What month has the most sunshine in Etiwanda?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

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

July and August, with an average maximum UV index of 7, are months with the highest UV index in Etiwanda, California.

What is the warmest month in Etiwanda?

The warmest month in Etiwanda is August, with an average high-temperature of 91.8°F (33.2°C) and an average low-temperature of 66.6°F (19.2°C).

What is the least humid month in Etiwanda?

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

What is the coldest month in Etiwanda?

December is the coldest month in Etiwanda, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 45.3°F (7.4°C).

What is the month with the shortest days in Etiwanda?

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

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

With an average maximum UV index of 3, December is the month with the lowest UV index in Etiwanda, California.

Average temperature
Etiwanda, CA

Average temperature - Etiwanda, CA

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).

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Average pressure
Etiwanda, CA

Average pressure - Etiwanda, CA

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed
Etiwanda, CA

Average wind speed - Etiwanda, CA

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity
Etiwanda, CA

Average humidity - Etiwanda, CA

Months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).

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Average rainfall
Etiwanda, CA

Average rainfall - Etiwanda, CA

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days
Etiwanda, CA

Average rainfall days - Etiwanda, CA

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall days
Etiwanda, CA

Average snowfall days - Etiwanda, CA

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight / Average sunshine
Etiwanda, CA

Average daylight / Average sunshine - Etiwanda, 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).

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.9).

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Average sunshine days
Etiwanda, CA

Average sunshine days - Etiwanda, CA

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).

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Average visibility
Etiwanda, CA

Average visibility - Etiwanda, 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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