Monthly weather forecast and climate
Roseland, CA

Weather in January

January, the same as December, in Roseland, California, is a moderate winter month, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 43.2°F (6.2°C). In January, the average high-temperature is essentially the same as in December - a still moderate 57.2°F (14°C). Weather in January »

Weather in February

February, the last month of the winter, in Roseland, is also a moderate month, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 58.8°F (14.9°C). In February, the average high-temperature is practically the same as in January - a still mild 58.8°F (14.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Roseland, is also a moderate month, with average temperature fluctuating between 43.5°F (6.4°C) and 60.4°F (15.8°C). In March, the average high-temperature is relatively the same as in February - a still moderate 60.4°F (15.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Roseland, California, with average temperature varying between 45.5°F (7.5°C) and 64.9°F (18.3°C). In Roseland, the average high-temperature in April is almost the same as in March - a comfortable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Roseland, is an agreeable month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 48.6°F (9.2°C). In May, the average high-temperature is almost the same as in April - an agreeable 69.1°F (20.6°C). Weather in May »

Weather in June

June, the first month of the summer, in Roseland, is a moderately hot month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 53.1°F (11.7°C). In Roseland, the average high-temperature slightly increases, from an agreeable 69.1°F (20.6°C) in May, to a warm 76.3°F (24.6°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Roseland, California, with average temperature ranging between max 79.3°F (26.3°C) and min 54.1°F (12.3°C). In July, the average high-temperature is relatively the same as in June - a still moderately hot 79.3°F (26.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Roseland, California, with average temperature ranging between max 79.7°F (26.5°C) and min 54.7°F (12.6°C). August is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in Roseland, is also a moderately hot month, with average temperature varying between 54.7°F (12.6°C) and 79°F (26.1°C). In September, the average high-temperature is almost the same as in August - a still moderately hot 79°F (26.1°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Roseland, California, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 51.8°F (11°C). In October, the average high-temperature slightly decreases, from a moderately hot 79°F (26.1°C) in September, to a pleasant 72.3°F (22.4°C). Weather in October »

Weather in November

November, the last month of the autumn, in Roseland, is another comfortable month, with average temperature varying between 46°F (7.8°C) and 63.1°F (17.3°C). In Roseland, California, the average high-temperature drops, from a pleasant 72.3°F (22.4°C) in October, to an enjoyable 63.1°F (17.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Roseland, is also a moderate month, with average temperature ranging between max 55.6°F (13.1°C) and min 41.9°F (5.5°C). December is the coldest month, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C). Weather in December »
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FAQ

How many days does it rain in Roseland?

In Roseland, California, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.

When is the lowest UV index in Roseland?

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

What is the wettest month in Roseland?

February is the month with the most rainfall in Roseland, California. Rain falls for 9.1 days and accumulates 2.64" (67mm) of precipitation.

What is the most humid month in Roseland?

With an average relative humidity of 77%, March is the most humid month.

When are the longest days in Roseland?

The month with the longest days in Roseland is June, with an average of 14.8h of daylight.

When is the highest UV index in Roseland?

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

What is the driest month in Roseland?

Months with the least rainfall in Roseland, California, are July and August Rain falls for 1.5 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Roseland?

The month with the most sunshine in Roseland is July, with an average of 11.9h of sunshine.

What is the warmest month in Roseland?

August is the warmest month in Roseland, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.7°F (12.6°C).

What is the least humid month in Roseland?

September is the least humid month in Roseland, California, with an average relative humidity of 63%.

What is the coldest month in Roseland?

December is the coldest month in Roseland, California, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C).

What is the month with the shortest days in Roseland?

The month with the shortest days in Roseland is December, with an average of 9.5h of daylight.

What is the month with the least sunshine in Roseland?

December has the least sunshine of the year in Roseland, with an average of 5.7h of sunshine.

Average temperature
Roseland, CA

Average temperature - Roseland, CA

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

Months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure
Roseland, CA

Average pressure - Roseland, CA

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed
Roseland, CA

Average wind speed - Roseland, CA

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average rainfall
Roseland, CA

Average rainfall - Roseland, CA

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Roseland, CA

Average rainfall days - Roseland, CA

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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Average daylight / Average sunshine
Roseland, CA

Average daylight / Average sunshine - Roseland, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days
Roseland, CA

Average sunshine days - Roseland, CA

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

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Average visibility
Roseland, CA

Average visibility - Roseland, 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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