Monthly weather forecast and climate
Summerland, CA

Weather in January

January in Summerland, California, is an enjoyable winter month, with average temperature fluctuating between 46.9°F (8.3°C) and 60.8°F (16°C). In Summerland, the average high-temperature is practically the same as in December - a comfortable 60.8°F (16°C). Weather in January »

Weather in February

February, the last month of the winter, in Summerland, is also a moderate month, with average temperature fluctuating between 45.3°F (7.4°C) and 59.5°F (15.3°C). In Summerland, the average high-temperature is practically the same as in January - a moderate 59.5°F (15.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Summerland, California, with average temperature ranging between max 61.5°F (16.4°C) and min 47.1°F (8.4°C). In March, the average high-temperature is essentially the same as in February - an enjoyable 61.5°F (16.4°C). Weather in March »

Weather in April

April, the same as March, is another comfortable spring month in Summerland, California, with average temperature fluctuating between 49.3°F (9.6°C) and 64.9°F (18.3°C). In April, the average high-temperature is relatively the same as in March - a still comfortable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Summerland, is a pleasant month, with average temperature ranging between max 68.4°F (20.2°C) and min 52.2°F (11.2°C). In May, the average high-temperature is essentially the same as in April - a pleasant 68.4°F (20.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also an agreeable month in Summerland, California, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 73°F (22.8°C). In June, the average high-temperature is almost the same as in May - a still pleasant 73°F (22.8°C). Weather in June »

Weather in July

July in Summerland, California, is a warm summer month, with average temperature ranging between min 61.2°F (16.2°C) and max 77.7°F (25.4°C). In Summerland, the average high-temperature in July is essentially the same as in June - a moderately hot 77.7°F (25.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Summerland, is also a moderately hot month, with average temperature varying between 61.3°F (16.3°C) and 79.2°F (26.2°C). August is the warmest month, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 61.3°F (16.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Summerland, is still a warm month, with average temperature varying between 60.4°F (15.8°C) and 77.2°F (25.1°C). In Summerland, the average high-temperature in September is relatively the same as in August - a still warm 77.2°F (25.1°C). Weather in September »

Weather in October

October, the same as September, in Summerland, California, is another pleasant autumn month, with average temperature ranging between max 71.8°F (22.1°C) and min 56.7°F (13.7°C). In October, the average high-temperature marginally drops, from a moderately hot 77.2°F (25.1°C) in September, to a pleasant 71.8°F (22.1°C). Weather in October »

Weather in November

November, the last month of the autumn, in Summerland, is another comfortable month, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 50.9°F (10.5°C). In November, the average high-temperature marginally drops, from an agreeable 71.8°F (22.1°C) in October, to an enjoyable 65.5°F (18.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Summerland, California, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 59.4°F (15.2°C). December is the coldest month, with an average high-temperature of 59.4°F (15.2°C) and an average low-temperature of 46.4°F (8°C). Weather in December »
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FAQ

How many days does it rain in Summerland?

In Summerland, California, during the entire year, the rain falls for 46.9 days and collects up to 7.83" (199mm) of precipitation.

What is the rainiest month in Summerland?

Months with the most rainfall in Summerland are February and March, with an average 1.46" (37mm) of precipitation.

What is the month with the least sunshine in Summerland?

The month with the least sunshine is February, with an average of 6.5h of sunshine.

What is the most humid month in Summerland?

March is the most humid month, with an average relative humidity of 63%.

What is the driest month in Summerland?

June and August are months with the least rain in Summerland, California, when the rain falls for 1.6 days and typically aggregates up to 0.12" (3mm) of rain.

When are the longest days in Summerland?

The month with the longest days is June, with an average of 14.4h of daylight.

What is the month with the most sunshine in Summerland?

June and August, with an average of 12h of sunshine, are months with the most sunshine in Summerland.

When is the highest UV index in Summerland?

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

What is the warmest month in Summerland?

The warmest month in Summerland, California, is August, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 61.3°F (16.3°C).

What are the least humid months in Summerland?

Months with the lowest humidity are October and November, with an average relative humidity of 53%.

What is the coldest month in Summerland?

December is the coldest month, with an average high-temperature of 59.4°F (15.2°C) and an average low-temperature of 46.4°F (8°C).

What is the month with the shortest days in Summerland?

The month with the shortest days is December, with an average of 9.9h of daylight.

When is the lowest UV index in Summerland?

December is the month with the lowest UV index in Summerland, with an average maximum UV index of 3.

Average temperature
Summerland, CA

Average temperature - Summerland, CA

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (59.4°F).

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (45.3°F).

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Average pressure
Summerland, CA

Average pressure - Summerland, CA

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is September (29.9").

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Average wind speed
Summerland, CA

Average wind speed - Summerland, CA

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity
Summerland, CA

Average humidity - Summerland, CA

The month with the highest relative humidity is March (63%).
Months with the lowest relative humidity are October and November (53%).

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Average rainfall
Summerland, CA

Average rainfall - Summerland, CA

The wettest months (with the highest rainfall) are February and March (1.46").
The driest months (with the least rainfall) are June and August (0.12").

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Average rainfall days
Summerland, CA

Average rainfall days - Summerland, CA

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is August (1.5 days).

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Average daylight / Average sunshine
Summerland, CA

Average daylight / Average sunshine - Summerland, CA

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

Months with the most sunshine are June and August (Average sunshine: 12h).
The month with the least sunshine is February (Average sunshine: 6.5h).

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Average sunshine days
Summerland, CA

Average sunshine days - Summerland, CA

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (21.8 days).

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Average visibility
Summerland, CA

Average visibility - Summerland, CA

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

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