Climate and monthly weather forecast
Interlaken, CA

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Weather in January

January, like December, is a moderate winter month in Interlaken, California, with an average temperature varying between 44.1°F (6.7°C) and 59.2°F (15.1°C). The start of January sees the average high-temperature at a still refreshing 59.2°F (15.1°C), showing little difference from December's 57.9°F (14.4°C). Weather in January »

Weather in February

February, the last month of the winter in Interlaken, is also a moderate month, with an average temperature fluctuating between 59.9°F (15.5°C) and 43.2°F (6.2°C). February's climate shows a minor adjustment in average high-temperatures to a still refreshing 59.9°F (15.5°C) from January's 59.2°F (15.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Interlaken, California, with an average temperature varying between 62.1°F (16.7°C) and 43.2°F (6.2°C). As Interlaken steps into March, the average high-temperature is measured at a still refreshing 62.1°F (16.7°C), displaying minor differences from February's 59.9°F (15.5°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Interlaken, California, with an average temperature ranging between min 44.8°F (7.1°C) and max 65.7°F (18.7°C). April's beginning signals an average high-temperature of a still comfortable 65.7°F (18.7°C), barely different from March's 62.1°F (16.7°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Interlaken, California, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 47.5°F (8.6°C). A minor adjustment in Interlaken's average high-temperature is noted with the start of May, touching a pleasant 68.5°F (20.3°C) from April's 65.7°F (18.7°C). Weather in May »

Weather in June

June, the first month of the summer in Interlaken, is a warm month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 51.4°F (10.8°C). June witnesses a subtle temperature ascent, adjusting from a pleasant 68.5°F (20.3°C) in May to a moderately hot 75°F (23.9°C). Weather in June »

Weather in July

July, like June, in Interlaken, California, is a moderately hot summer month, with temperature in the range of an average high of 78.4°F (25.8°C) and an average low of 53.2°F (11.8°C). At the onset of July, Interlaken records an average high-temperature of a still moderately hot 78.4°F (25.8°C), showing little deviation from the preceding month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Interlaken, California, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 54.1°F (12.3°C). Interlaken's warmest temperatures are experienced in August, with average high temperatures of 78.6°F (25.9°C) and lows of 54.1°F (12.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Interlaken, is still a warm month, with an average temperature varying between 54.5°F (12.5°C) and 78.3°F (25.7°C). The average high-temperature in September, at a still moderately hot 78.3°F (25.7°C), reveals a modest deviation from August's 78.6°F (25.9°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Interlaken, California, with an average temperature ranging between min 52.3°F (11.3°C) and max 72.7°F (22.6°C). The onset of October aligns with a soft reduction in the average high-temperature, gently falling from a warm 78.3°F (25.7°C) in September to an agreeable 72.7°F (22.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Interlaken, is another refreshing month, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 47.5°F (8.6°C). The onset of November is marked by a minor decrease in temperature, transitioning from a pleasant 72.7°F (22.6°C) in October to a refreshing 64.8°F (18.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Interlaken, California, with an average temperature ranging between min 43.3°F (6.3°C) and max 57.9°F (14.4°C). Interlaken's coldest weather arrives in December, when temperatures average a high of 57.9°F (14.4°C) and a low of 43.3°F (6.3°C). Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain in Interlaken?

In Interlaken, California, during the entire year, the rain falls for 67.1 days and collects up to 10.83" (275mm) of precipitation.

What is the rainiest month in Interlaken?

The month with the most rainfall in Interlaken, California, is February, when the rain falls for 7.8 days and typically aggregates up to 2.09" (53mm) of precipitation.

When is the lowest UV index in Interlaken?

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

What is the most humid month in Interlaken?

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

When is Daylight Saving Time (DST) in Interlaken?

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 are the longest days in Interlaken?

The month with the longest days in Interlaken, California, is June, with an average of 14h and 42min of daylight.

What is the month with the highest UV index in Interlaken?

The month with the highest UV index in Interlaken, California, is June, with an average maximum UV index of 6.

What is the driest month in Interlaken?

July and August are months with the least rain in Interlaken when the rain falls for 1.6 days and typically aggregates up to 0.04" (1mm) of rain.

What are the months with the most sunshine in Interlaken?

The months with the most sunshine are July and August, with an average of 12h of sunshine.

What is the hottest time of year in Interlaken?

In Interlaken, August records the average highest temperatures, peaking at 78.6°F (25.9°C) and reaching a low of 54.1°F (12.3°C).

What are the least humid months in Interlaken?

The months with the lowest humidity in Interlaken, California, are September and October, with an average relative humidity of 64%.

What are the coldest months in Interlaken?

The month of December, characterized by an average high of 57.9°F (14.4°C) and a low of 43.3°F (6.3°C), is recognized as the coldest.

What is the month with the shortest days in Interlaken?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Interlaken.

What is the month with the least sunshine in Interlaken?

The month with the least sunshine in Interlaken, California, is December, with an average of 6h of sunshine.

Average temperature
Interlaken, CA

Average temperature - Interlaken, CA

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (57.9°F).

The month with the highest average low temperature is September (54.5°F).
The coldest months (with the lowest average low temperature) are February and March (43.2°F).

Average pressure
Interlaken, CA

Average pressure - Interlaken, CA

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).

Average wind speed
Interlaken, CA

Average wind speed - Interlaken, CA

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are October and November (4.5mph).

Average humidity
Interlaken, CA

Average humidity - Interlaken, CA

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).

Average rainfall
Interlaken, CA

Average rainfall - Interlaken, CA

The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days
Interlaken, CA

Average rainfall days - Interlaken, CA

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.8 days).

Average daylight / Average sunshine
Interlaken, CA

Average daylight / Average sunshine - Interlaken, CA

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

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

Average sunshine days
Interlaken, CA

Average sunshine days - Interlaken, CA

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.8 days).

Average UV index
Interlaken, CA

Average UV index - Interlaken, CA

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

Average visibility
Interlaken, CA

Average visibility - Interlaken, 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).

Interlaken, California, USA

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