Climate and monthly weather forecast
Glenhaven, CA

Share

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). January registers an average high-temperature of a still fresh 54.7°F (12.6°C), slightly varied from December's 52.3°F (11.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Glenhaven, California, with an average temperature varying between 37.9°F (3.3°C) and 55.9°F (13.3°C). Glenhaven experiences an average high-temperature of a moderate 55.9°F (13.3°C) with the onset of February, subtly varied from January's 54.7°F (12.6°C). Weather in February »

Weather in March

The first month of the spring, March, is still a mild month in Glenhaven, California, with an average temperature fluctuating between 38.8°F (3.8°C) and 57.9°F (14.4°C). March observes an average high-temperature of a still refreshing 57.9°F (14.4°C), marking an insignificant difference from February's 55.9°F (13.3°C). Weather in March »

Weather in April

April in Glenhaven, California, is an enjoyable spring month, with an average temperature ranging between max 64.8°F (18.2°C) and min 42.3°F (5.7°C). As April arrives, a slight rise in the average high-temperature is observed, moving from a refreshing 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 a pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 46.9°F (8.3°C). Glenhaven observes a slight ascent in average high-temperatures during May, adjusting from an enjoyable 64.8°F (18.2°C) in April to a pleasant 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 low of 54.1°F (12.3°C) and an average high of 82.6°F (28.1°C). The start of June brings a shift in the average high-temperature, increasing from May's agreeable 72.1°F (22.3°C) to a moderately hot 82.6°F (28.1°C). Weather in June »

Weather in July

July in Glenhaven, California, is a hot summer month, with an average temperature varying between 57.7°F (14.3°C) and 89.6°F (32°C). July is the month when Glenhaven experiences its warmest temperatures, averaging a high of 89.6°F (32°C) and a low of 57.7°F (14.3°C). Throughout July, the heat index is appraised at a hot 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Glenhaven, California, with an average temperature ranging between min 57.4°F (14.1°C) and max 89.1°F (31.7°C). The arrival of August brings an average high-temperature of a still hot 89.1°F (31.7°C), nearly identical to July's 89.6°F (32°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Glenhaven, California, with an average temperature fluctuating between 84.2°F (29°C) and 54.1°F (12.3°C). A minor adjustment in Glenhaven's average high-temperature is noted with the start of September, touching a moderately hot 84.2°F (29°C) from August's 89.1°F (31.7°C). Weather in September »

Weather in October

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

Weather in November

November, the last month of the autumn in Glenhaven, is another mild month, with an average temperature fluctuating between 60.1°F (15.6°C) and 40.6°F (4.8°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's pleasant 72.5°F (22.5°C) to a refreshing 60.1°F (15.6°C). Weather in November »

Weather in December

December, the first month of the winter in Glenhaven, is also a fresh month, with an average temperature fluctuating between 52.3°F (11.3°C) and 37.2°F (2.9°C). December is the month when Glenhaven sees the lowest average temperatures, with a high of 52.3°F (11.3°C) and a low of 37.2°F (2.9°C). Weather in December »
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain in Glenhaven?

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

When does it snow?

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

What is the snowiest month?

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

How much does it snow?

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

When is the lowest UV index?

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

What is the wettest month?

The month with the most rainfall is February, when the rain falls for 10.3 days and typically aggregates up to 4.06" (103mm) of precipitation.

What is the most humid month?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow?

April through October are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What is the month with the highest UV index?

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?

July is the warmest month of the year, registering average temperatures as high as 89.6°F (32°C) and as low as 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.

What is the driest month?

July is the month with the least rainfall. Rain falls for 1.3 days and accumulates 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 month is the coldest?

Glenhaven, California, records the coldest temperatures in December, averaging a high of 52.3°F (11.3°C) and a low of 37.2°F (2.9°C).

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the month with the least sunshine?

With an average of 5.3h of sunshine, December has the least sunshine of the year.

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).

Average pressure
Glenhaven, CA

Average pressure - Glenhaven, CA

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

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).

Average humidity
Glenhaven, CA

Average humidity - Glenhaven, CA

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (47%).

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").

Average rainfall days
Glenhaven, CA

Average rainfall days - Glenhaven, CA

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

Average snowfall
Glenhaven, CA

Average snowfall - Glenhaven, CA

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

Average snowfall days
Glenhaven, CA

Average snowfall days - Glenhaven, CA

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

Average daylight / Average sunshine
Glenhaven, CA

Average daylight / Average sunshine - Glenhaven, CA

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days
Glenhaven, CA

Average sunshine days - Glenhaven, CA

The 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).

Average UV index
Glenhaven, CA

Average UV index - Glenhaven, CA

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

Average visibility
Glenhaven, CA

Average visibility - Glenhaven, CA

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

Glenhaven, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location