Climate and monthly weather forecast
Alpine, CA

Share

Weather in January

January, like December, in Alpine, California, is another comfortable winter month, with an average temperature varying between 45°F (7.2°C) and 63.9°F (17.7°C). January's advent presents an average high-temperature of a still enjoyable 63.9°F (17.7°C), indicating a slight variation from the conditions of the previous month. Weather in January »

Weather in February

February, the last month of the winter in Alpine, is also an enjoyable month, with an average temperature ranging between max 63.3°F (17.4°C) and min 44.2°F (6.8°C). The advent of February signifies a minor shift to an average high-temperature of a still enjoyable 63.3°F (17.4°C), aligning closely with January. Weather in February »

Weather in March

March, the first month of the spring in Alpine, is also an enjoyable month, with an average temperature fluctuating between 46°F (7.8°C) and 66.7°F (19.3°C). March's beginning signals an average high-temperature of a still comfortable 66.7°F (19.3°C), barely different from February's 63.3°F (17.4°C). Weather in March »

Weather in April

April in Alpine, California, is an agreeable spring month, with an average temperature varying between 47.8°F (8.8°C) and 70.7°F (21.5°C). March's transformation into April witnesses an average high-temperature of a pleasant 70.7°F (21.5°C), noting a minor change from the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Alpine, California, with an average temperature varying between 51.3°F (10.7°C) and 73.6°F (23.1°C). The introduction of May sees an average high-temperature of a warm 73.6°F (23.1°C), hardly deviating from April. Weather in May »

Weather in June

June, the first month of the summer in Alpine, is also a moderately hot month, with an average temperature fluctuating between 56.3°F (13.5°C) and 81.3°F (27.4°C). The arrival of June signals a slight increase in the average high-temperature, moving from 73.6°F (23.1°C) in May to a still warm 81.3°F (27.4°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Alpine, California, with an average temperature ranging between min 62.8°F (17.1°C) and max 85.8°F (29.9°C). On the advent of July, Alpine's average high-temperature exhibits a minor adjustment to a still warm 85.8°F (29.9°C) from June's 81.3°F (27.4°C). Weather in July »

Weather in August

August, the last month of the summer in Alpine, is a tropical month, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 64.9°F (18.3°C). August, noted for its average high-temperature of 87.3°F (30.7°C) and an average low-temperature of 64.9°F (18.3°C), is considered the warmest month. The average heat index in August is computed to be a hot 91.4°F (33°C). Weather in August »

Weather in September

September, the first month of the autumn in Alpine, is still a warm month, with an average temperature fluctuating between 84.2°F (29°C) and 62.8°F (17.1°C). September's weather displays an average high-temperature of a warm 84.2°F (29°C), slightly varied from August's 87.3°F (30.7°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Alpine, California, with an average temperature ranging between min 56.3°F (13.5°C) and max 76.8°F (24.9°C). The commencement of October includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 84.2°F (29°C) in September to a still warm 76.8°F (24.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Alpine, California, with an average temperature varying between 50.2°F (10.1°C) and 69.1°F (20.6°C). A subtle change in temperatures is noted as October gives way to November, with average highs reducing from a warm 76.8°F (24.9°C) to an agreeable 69.1°F (20.6°C). Weather in November »

Weather in December

December, the first month of the winter in Alpine, is still a comfortable month, with an average temperature varying between 44.6°F (7°C) and 61.3°F (16.3°C). December is Alpine's coldest month, registering average high temperatures of 61.3°F (16.3°C) and lows of 44.6°F (7°C). Weather in December »
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.

What is the rainiest month?

The month with the most rainfall is February, when the rain falls for 6.4 days and typically aggregates up to 0.94" (24mm) of precipitation.

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 most humid month?

With an average relative humidity of 62%, May is the most humid month.

What is the driest month?

June is the month with the least rainfall in Alpine. Rain falls for 1.5 days and accumulates 0.08" (2mm) of precipitation.

When are the longest days?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What are the months with the most sunshine?

The months with the most sunshine are June and July, with an average of 12.1h of sunshine.

What are the months with the highest UV index?

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

What are the warmest months?

In Alpine, August records the average highest temperatures, peaking at 87.3°F (30.7°C) and reaching a low of 64.9°F (18.3°C).

What is the least humid month?

November is the least humid month, with an average relative humidity of 51%.

What is the month with the lowest UV index?

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

What part of the year is the coldest in Alpine?

Alpine experiences its average lowest temperatures in December, reaching a peak of 61.3°F (16.3°C) and a minimum of 44.6°F (7°C).

What is the month with the shortest days?

December has the shortest days of the year in Alpine, with an average of 10h and 0min of daylight.

What is the month with the least sunshine?

With an average of 6.7h of sunshine, December has the least sunshine of the year.

Average temperature
Alpine, CA

Average temperature - Alpine, CA

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).

Average pressure
Alpine, CA

Average pressure - Alpine, CA

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Alpine, CA

Average wind speed - Alpine, CA

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

Average rainfall
Alpine, CA

Average rainfall - Alpine, CA

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days
Alpine, CA

Average rainfall days - Alpine, CA

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

Average daylight / Average sunshine
Alpine, CA

Average daylight / Average sunshine - Alpine, CA

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days
Alpine, CA

Average sunshine days - Alpine, CA

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

Average UV index
Alpine, CA

Average UV index - Alpine, CA

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

Average visibility
Alpine, CA

Average visibility - Alpine, 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).

Alpine, California, USA

Weather forecast for your location

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