Monrovia
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Monrovia, CA

January, like December, in Monrovia, California, is another comfortable winter month, with average temperature varying between 46.9°F (8.3°C) and 64°F (17.8°C). In Monrovia, the average high-temperature is practically the same as in December - a still comfortable 64°F (17.8°C). Weather in January »

February, the last month of the winter, in Monrovia, is also an enjoyable month, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 46°F (7.8°C). In February, the average high-temperature remains the same as in January - a still enjoyable 64°F (17.8°C). Weather in February »

March, the first month of the spring, in Monrovia, is also an enjoyable month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 47.3°F (8.5°C). In March, the average high-temperature is almost the same as in February - a still comfortable 67.5°F (19.7°C). Weather in March »

April in Monrovia, California, is a pleasant spring month, with average temperature fluctuating between 72.1°F (22.3°C) and 49.6°F (9.8°C). In Monrovia, California, the average high-temperature is almost the same as in March - an agreeable 72.1°F (22.3°C). Weather in April »

May, the last month of the spring, in Monrovia, is a moderately hot month, with average temperature varying between 75.2°F (24°C) and 53.4°F (11.9°C). In Monrovia, the average high-temperature is essentially the same as in April - a warm 75.2°F (24°C). Weather in May »

June, the first month of the summer, in Monrovia, is also a moderately hot month, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 57.7°F (14.3°C). In Monrovia, the average high-temperature marginally rises, from a warm 75.2°F (24°C) in May, to a still moderately hot 81.5°F (27.5°C). Weather in June »

July is a tropical summer month in Monrovia, California, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 63.5°F (17.5°C). In Monrovia, the average high-temperature marginally rises, from a moderately hot 81.5°F (27.5°C) in June, to a tropical 86.9°F (30.5°C). Weather in July »

August, the last month of the summer, in Monrovia, is another hot month, with average temperature ranging between max 88.2°F (31.2°C) and min 64.8°F (18.2°C). The warmest month is August, with an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 64.8°F (18.2°C). In August, the average heat index is calculated to a hot 90.3°F (32.4°C). Weather in August »

The first month of the autumn, September, is still a warm month in Monrovia, California, with average temperature varying between 85.5°F (29.7°C) and 62.8°F (17.1°C). In Monrovia, the average high-temperature is essentially the same as in August - a moderately hot 85.5°F (29.7°C). Weather in September »

October, the same as September, is another warm autumn month in Monrovia, California, with average temperature ranging between max 78.1°F (25.6°C) and min 58.1°F (14.5°C). In October, the average high-temperature marginally drops, from a moderately hot 85.5°F (29.7°C) in September, to a still warm 78.1°F (25.6°C). Weather in October »

November, the last month of the autumn, in Monrovia, is also an agreeable month, with average temperature fluctuating between 70°F (21.1°C) and 52°F (11.1°C). In Monrovia, California, the average high-temperature marginally drops, from a warm 78.1°F (25.6°C) in October, to a pleasant 70°F (21.1°C). Weather in November »

The first month of the winter, December, is also an enjoyable month in Monrovia, California, with average temperature fluctuating between 61.7°F (16.5°C) and 45.7°F (7.6°C). December is the coldest month, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 45.7°F (7.6°C). Weather in December »

How many days does it rain in Monrovia?

Throughout the year, there are 50.9 rainfall days, and 8.46" (215mm) of precipitation is accumulated.

What is the month with the least sunshine in Monrovia?

Months with the least sunshine are January, February and December, with an average of 6.9h of sunshine.

What is the rainiest month in Monrovia?

The wettest months are February and December, with an average 1.77" (45mm) of rainfall.

What is the most humid month in Monrovia?

Months with the highest humidity are March and May, with an average relative humidity of 56%.

What is the driest month in Monrovia?

The month with the least rainfall in Monrovia, California, is June when the rain falls for 1.1 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Monrovia?

June has the longest days of the year in Monrovia, California, with an average of 14.4h of daylight.

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

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

What month has the most sunshine in Monrovia?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

What is the warmest month in Monrovia?

August is the warmest month in Monrovia, California, with an average high-temperature of 88.2°F (31.2°C) and an average low-temperature of 64.8°F (18.2°C).

What is the least humid month in Monrovia?

November is the least humid month, with an average relative humidity of 46%.

What is the coldest month in Monrovia?

December is the coldest month, with an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 45.7°F (7.6°C).

What is the month with the shortest days in Monrovia?

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

What is the month with the lowest UV index in Monrovia?

The month with the lowest UV index in Monrovia, California, is December, with an average maximum UV index of 3.
Average temperature - Monrovia, CA
Average humidity - Monrovia, CA
Average rainfall - Monrovia, CA

The wettest months (with the highest rainfall) are February and December (1.77").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days - Monrovia, CA
Average daylight / Average sunshine - Monrovia, 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).

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January, February and December (Average sunshine: 6.9).