Monthly weather forecast and climate
North Cucamonga, CA

Weather in January

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

Weather in February

The last month of the winter, February, is also an enjoyable month in North Cucamonga, California, with average temperature fluctuating between 64°F (17.8°C) and 45.3°F (7.4°C). In February, the average high-temperature remains the same as in January - a still comfortable 64°F (17.8°C). Weather in February »

Weather in March

March, the first month of the spring, in North Cucamonga, is an agreeable month, 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 almost the same as in February - an agreeable 68.4°F (20.2°C). Weather in March »

Weather in April

April, like March, is an agreeable spring month in North Cucamonga, California, 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 North Cucamonga, the average high-temperature is essentially the same as in March - a still pleasant 72.9°F (22.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in North Cucamonga, California, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 53.6°F (12°C). In May, the average high-temperature is essentially the same as in April - a moderately hot 76.6°F (24.8°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in North Cucamonga, California, with average temperature fluctuating between 58.6°F (14.8°C) and 84.7°F (29.3°C). In June, the average high-temperature slightly increases, 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 North Cucamonga, California, is a hot summer month, with average temperature varying between 90.5°F (32.5°C) and 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

The last month of the summer, August, is also a hot month in North Cucamonga, California, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 91.8°F (33.2°C). August is the warmest month, with an average high-temperature of 91.8°F (33.2°C) and an average low-temperature of 66.6°F (19.2°C). The average heat index is evaluated at a hot 93.7°F (34.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in North Cucamonga, is still a hot month, with average temperature ranging between min 63.7°F (17.6°C) and max 88.3°F (31.3°C). In September, the average high-temperature is essentially the same as in August - a still hot 88.3°F (31.3°C). Weather in September »

Weather in October

October, like September, in North Cucamonga, California, is a moderately hot autumn month, with average temperature varying between 79.2°F (26.2°C) and 57.6°F (14.2°C). In October, the average high-temperature decreases, from a tropical 88.3°F (31.3°C) in September, to a moderately hot 79.2°F (26.2°C). Weather in October »

Weather in November

November, the last month of the autumn, in North Cucamonga, is another pleasant month, with average temperature ranging between max 70.7°F (21.5°C) and min 50.9°F (10.5°C). In North Cucamonga, the average high-temperature in November slightly decreases, from a warm 79.2°F (26.2°C) in October, to an agreeable 70.7°F (21.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in North Cucamonga, California, with average temperature varying between 45.3°F (7.4°C) and 61.7°F (16.5°C). December is the coldest month, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 45.3°F (7.4°C). Weather in December »
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FAQ

How much does it rain in North Cucamonga?

In North Cucamonga, during the entire year, the rain falls for 42.3 days and collects up to 4.53" (115mm) of precipitation.

How many days does it snow in North Cucamonga?

Throughout the year, in North Cucamonga, there are 0.1 snowfall days.

When it does not snow in North Cucamonga?

January, March through December are months without snowfall.

What is the most humid month in North Cucamonga?

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

What is the rainiest month in North Cucamonga?

The month with the most rainfall in North Cucamonga 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 North Cucamonga?

February is the only month when snow falls in North Cucamonga.

When does it snow the most in North Cucamonga?

February has the most snowfall days of the year in North Cucamonga, California. Snow falls for 0.1 days.

What is the month with the least sunshine in North Cucamonga?

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

What is the driest month in North Cucamonga?

The month with the least rainfall in North Cucamonga, California, is June when the rain falls for 0.9 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in North Cucamonga?

With an average of 14.4h of daylight, June has the longest days of the year in North Cucamonga, California.

What month has the most sunshine in North Cucamonga?

July has the most sunshine of the year in North Cucamonga, California, with an average of 12.1h of sunshine.

What are the months with the highest UV index in North Cucamonga?

Months with the highest UV index in North Cucamonga are July and August, with an average maximum UV index of 7.

What is the warmest month in North Cucamonga?

August is the warmest month in North Cucamonga, 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 North Cucamonga?

August is the least humid month, with an average relative humidity of 41%.

What is the coldest month in North Cucamonga?

The coldest month is December, 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 North Cucamonga?

December has the shortest days of the year in North Cucamonga, with an average of 9.9h of daylight.

What is the month with the lowest UV index in North Cucamonga?

The month with the lowest UV index in North Cucamonga, California, is December, with an average maximum UV index of 3.

Average temperature
North Cucamonga, CA

Average temperature - North Cucamonga, 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
North Cucamonga, CA

Average pressure - North Cucamonga, 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
North Cucamonga, CA

Average wind speed - North Cucamonga, 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
North Cucamonga, CA

Average humidity - North Cucamonga, 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
North Cucamonga, CA

Average rainfall - North Cucamonga, 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
North Cucamonga, CA

Average rainfall days - North Cucamonga, 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
North Cucamonga, CA

Average snowfall days - North Cucamonga, 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
North Cucamonga, CA

Average daylight / Average sunshine - North Cucamonga, 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
North Cucamonga, CA

Average sunshine days - North Cucamonga, 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
North Cucamonga, CA

Average visibility - North Cucamonga, 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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