Monthly weather forecast and climate
Glenhaven, CA

Weather in January

January, like December, in Glenhaven, California, is another fresh winter month, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 38.7°F (3.7°C). In January, the average high-temperature is relatively the same as in December - a still cool 54.7°F (12.6°C). Weather in January »

Weather in February

The last month of the winter, February, is a moderate month in Glenhaven, California, with average temperature fluctuating between 37.9°F (3.3°C) and 55.9°F (13.3°C). In February, the average high-temperature is relatively the same as in January - a moderate 55.9°F (13.3°C). Weather in February »

Weather in March

The first month of the spring, March, is still a mild month in Glenhaven, California, with average temperature varying between 38.8°F (3.8°C) and 57.9°F (14.4°C). In March, the average high-temperature is relatively the same as in February - a still moderate 57.9°F (14.4°C). Weather in March »

Weather in April

April is an enjoyable spring month in Glenhaven, California, with average temperature ranging between max 64.8°F (18.2°C) and min 42.3°F (5.7°C). In April, the average high-temperature marginally rises, from a moderate 57.9°F (14.4°C) in March, to a comfortable 64.8°F (18.2°C). Weather in April »

Weather in May

May, the last month of the spring, in Glenhaven, is an agreeable month, with average temperature ranging between min 46.9°F (8.3°C) and max 72.1°F (22.3°C). In May, the average high-temperature slightly increases, from an enjoyable 64.8°F (18.2°C) in April, to an agreeable 72.1°F (22.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Glenhaven, is a moderately hot month, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 54.1°F (12.3°C). In Glenhaven, the average high-temperature increases, from an agreeable 72.1°F (22.3°C) in May, to a warm 82.6°F (28.1°C). Weather in June »

Weather in July

July in Glenhaven, California, is a hot summer month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 89.6°F (32°C). July is the warmest month, with an average high-temperature of 89.6°F (32°C) and an average low-temperature of 57.7°F (14.3°C). The average heat index in July is appraised at a tropical 92.7°F (33.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Glenhaven, California, with average temperature fluctuating between 89.1°F (31.7°C) and 57.4°F (14.1°C). In August, the average high-temperature is almost the same as in July - a still tropical 89.1°F (31.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Glenhaven, California, with average temperature varying between 54.1°F (12.3°C) and 84.2°F (29°C). In September, the average high-temperature is relatively the same as in August - a moderately hot 84.2°F (29°C). Weather in September »

Weather in October

October, the same as September, in Glenhaven, California, is another pleasant autumn month, with average temperature fluctuating between 48°F (8.9°C) and 72.5°F (22.5°C). In Glenhaven, California, the average high-temperature in October drops, from a moderately hot 84.2°F (29°C) in September, to a pleasant 72.5°F (22.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Glenhaven, California, with average temperature ranging between min 40.6°F (4.8°C) and max 60.1°F (15.6°C). In Glenhaven, the average high-temperature decreases, from a pleasant 72.5°F (22.5°C) in October, to a mild 60.1°F (15.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Glenhaven, is still a cool month, with average temperature ranging between max 52.3°F (11.3°C) and min 37.2°F (2.9°C). The coldest month is December, with an average high-temperature of 52.3°F (11.3°C) and an average low-temperature of 37.2°F (2.9°C). Weather in December »
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FAQ

How many days does it rain in Glenhaven?

In Glenhaven, California, during the entire year, the rain falls for 92 days and collects up to 21.02" (534mm) of precipitation.

When does it snow in Glenhaven?

Months with snowfall are January through March, November and December.

How many days does it snow in Glenhaven?

Throughout the year, in Glenhaven, there are 2 snowfall days, and 1.34" (34mm) of snow is accumulated.

What is the snowiest month in Glenhaven?

Months with the most snowfall in Glenhaven are January and February, with an average 0.47" (12mm) of accumulated snow.

When is the lowest UV index in Glenhaven?

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

What is the rainiest month in Glenhaven?

February is the month with the most rainfall in Glenhaven, California. Rain falls for 10.3 days and accumulates 4.06" (103mm) of precipitation.

What is the most humid month in Glenhaven?

The most humid month in Glenhaven, California, is March, with an average relative humidity of 75%.

When it does not snow in Glenhaven?

In Glenhaven, California, snow does not fall in April through October.

When are the longest days in Glenhaven?

June has the longest days of the year in Glenhaven, with an average of 14.9h of daylight.

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

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Glenhaven?

The warmest month is July, with an average high-temperature of 89.6°F (32°C) and an average low-temperature of 57.7°F (14.3°C).

What is the least humid month in Glenhaven?

With an average relative humidity of 47%, July is the least humid month in Glenhaven.

What is the driest month in Glenhaven?

The month with the least rainfall in Glenhaven, California, is July when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

What month has the most sunshine in Glenhaven?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the coldest month in Glenhaven?

December is the coldest month in Glenhaven, California, with an average high-temperature of 52.3°F (11.3°C) and an average low-temperature of 37.2°F (2.9°C).

What is the month with the shortest days in Glenhaven?

With an average of 9.5h of daylight, December has the shortest days of the year in Glenhaven.

What is the month with the least sunshine in Glenhaven?

The month with the least sunshine is December, with an average of 5.3h of sunshine.

Average temperature
Glenhaven, CA

Average temperature - Glenhaven, CA

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (52.3°F).

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure
Glenhaven, CA

Average pressure - Glenhaven, CA

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June and August (29.91").

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Average wind speed
Glenhaven, CA

Average wind speed - Glenhaven, CA

The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is November (4.1mph).

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Average rainfall
Glenhaven, CA

Average rainfall - Glenhaven, CA

The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is July (0.04").

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Average rainfall days
Glenhaven, CA

Average rainfall days - Glenhaven, CA

The month with the highest number of rainy days is March (15.9 days).
Months with the least rainy days are July and August (1.3 days).

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Average snowfall
Glenhaven, CA

Average snowfall - Glenhaven, CA

Months with the highest snowfall are January and February (0.47").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Glenhaven, CA

Average snowfall days - Glenhaven, CA

The month with the highest number of snowfall days is February (0.9 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Glenhaven, CA

Average daylight / Average sunshine - Glenhaven, CA

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days
Glenhaven, CA

Average sunshine days - Glenhaven, CA

Months with the most sunshine days are July and August (28.3 days).
The month with the least sunshine days is March (13.7 days).

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Average UV index
Glenhaven, CA

Average UV index - Glenhaven, CA

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Glenhaven, CA

Average visibility - Glenhaven, CA

Months with the highest visibility are January, February, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are March and December (5mi).

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