Climate and monthly weather forecast
Crestline, CA

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Weather in January

January, like December, is another refreshing winter month in Crestline, California, with temperature in the range of an average high of 59.9°F (15.5°C) and an average low of 42.6°F (5.9°C). The beginning of January reveals an average high-temperature of a still moderate 59.9°F (15.5°C), showing minimal deviation from the previous month. Weather in January »

Weather in February

February, the last month of the winter in Crestline, is another mild month, with an average temperature fluctuating between 41.5°F (5.3°C) and 59.9°F (15.5°C). February maintains an average high temperature of a still moderate 59.9°F (15.5°C), aligning closely with the previous month. Weather in February »

Weather in March

March, the first month of the spring in Crestline, is an enjoyable month, with an average temperature varying between 64°F (17.8°C) and 44.1°F (6.7°C). Crestline's March showcases an average high-temperature of a comfortable 64°F (17.8°C), hardly distinct from February's 59.9°F (15.5°C). Weather in March »

Weather in April

April in Crestline, California, is an agreeable spring month, with an average temperature varying between 69.4°F (20.8°C) and 47.5°F (8.6°C). April's arrival coincides with a marginal rise in the average high-temperature, moving from March's enjoyable 64°F (17.8°C) to a pleasant 69.4°F (20.8°C). Weather in April »

Weather in May

May, the last month of the spring in Crestline, is a warm month, with an average temperature fluctuating between 75.7°F (24.3°C) and 52.2°F (11.2°C). A slight uplift in the average high-temperature marks May, adjusting from April's agreeable 69.4°F (20.8°C) to a moderately hot 75.7°F (24.3°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Crestline, California, with an average temperature ranging between min 58.6°F (14.8°C) and max 85.1°F (29.5°C). In June, the average high-temperature increases from a warm 75.7°F (24.3°C) in May to a still moderately hot 85.1°F (29.5°C). Weather in June »

Weather in July

July is a tropical summer month in Crestline, California, with an average temperature varying between 65.8°F (18.8°C) and 90.7°F (32.6°C). The onset of July brings a minor temperature shift, with the average high-temperature moving from a warm 85.1°F (29.5°C) in June to a tropical 90.7°F (32.6°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Crestline, California, with an average temperature ranging between max 90.9°F (32.7°C) and min 66.6°F (19.2°C). August is the warmest month of the year, registering average temperatures as high as 90.9°F (32.7°C) and as low as 66.6°F (19.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Crestline, California, with an average temperature ranging between max 85.8°F (29.9°C) and min 62.4°F (16.9°C). The average high-temperature during September registers at a warm 85.8°F (29.9°C), maintaining a close resemblance to the previous month. Weather in September »

Weather in October

October, like September, in Crestline, California, is a moderately hot autumn month, with an average temperature fluctuating between 75.9°F (24.4°C) and 54.7°F (12.6°C). Arrival of October comes with a reduction in the average high-temperature, falling from a warm 85.8°F (29.9°C) in September to a still moderately hot 75.9°F (24.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Crestline, California, with an average temperature varying between 47.7°F (8.7°C) and 66.6°F (19.2°C). November's arrival comes with a decrease in the average high-temperature, moving from a warm 75.9°F (24.4°C) in October to a comfortable 66.6°F (19.2°C). Weather in November »

Weather in December

December, the first month of the winter in Crestline, is still a refreshing month, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 41.5°F (5.3°C). December is the month when Crestline, California, sees the lowest average temperatures, with a high of 57.7°F (14.3°C) and a low of 41.5°F (5.3°C). Weather in December »
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

In Crestline, during the entire year, the rain falls for 51.8 days and collects up to 6.69" (170mm) of precipitation.

When it does not snow?

January, March through December are months without snowfall.

How many days does it snow?

Throughout the year, in Crestline, there are 0.1 snowfall days.

What is the most humid month?

With an average relative humidity of 52%, February is the most humid month.

When does it snow in Crestline?

February is the only month when snow falls.

What is the snowiest month?

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

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.

What is the driest month?

June is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.

When are the longest days?

With an average of 14h and 24min of daylight, June has the longest days of the year.

What month has the most sunshine?

With an average of 12.2h of sunshine, July has the most sunshine of the year.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 7.

What is the hottest time of year?

In Crestline, the peak average temperatures are observed in August, with a high of 90.9°F (32.7°C) and a low of 66.6°F (19.2°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 36%.

When is the lowest UV index in Crestline?

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

What is the coldest time of year?

The lowest temperatures are recorded in December, with averages reaching a high of 57.7°F (14.3°C) and a low of 41.5°F (5.3°C).

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 6.8 days and typically aggregates up to 1.42" (36mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the month with the least sunshine?

With an average of 6.9h of sunshine, December has the least sunshine of the year.

Average temperature
Crestline, CA

Average temperature - Crestline, CA

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°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 (41.5°F).

Average pressure
Crestline, CA

Average pressure - Crestline, CA

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Crestline, CA

Average wind speed - Crestline, CA

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).

Average humidity
Crestline, CA

Average humidity - Crestline, CA

The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).

Average rainfall
Crestline, CA

Average rainfall - Crestline, CA

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days
Crestline, CA

Average rainfall days - Crestline, CA

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

Average snowfall days
Crestline, CA

Average snowfall days - Crestline, CA

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

Average daylight / Average sunshine
Crestline, CA

Average daylight / Average sunshine - Crestline, CA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days
Crestline, CA

Average sunshine days - Crestline, CA

The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).

Average visibility
Crestline, CA

Average visibility - Crestline, CA

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

Crestline, California, USA

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