Monthly weather forecast and climate
Porterville, CA

Weather in January

January, like December, is another mild winter month in Porterville, California, with average temperature fluctuating between 59.9°F (15.5°C) and 41.5°F (5.3°C). In January, the average high-temperature is essentially the same as in December - a still mild 59.9°F (15.5°C). Weather in January »

Weather in February

February, the last month of the winter, in Porterville, is a comfortable month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 61°F (16.1°C). In February, the average high-temperature is almost the same as in January - a comfortable 61°F (16.1°C). Weather in February »

Weather in March

March, the first month of the spring, in Porterville, is also an enjoyable month, with average temperature fluctuating between 65.7°F (18.7°C) and 44.2°F (6.8°C). In Porterville, the average high-temperature is almost the same as in February - a still comfortable 65.7°F (18.7°C). Weather in March »

Weather in April

April in Porterville, California, is an agreeable spring month, with average temperature fluctuating between 71.4°F (21.9°C) and 48.6°F (9.2°C). In Porterville, California, the average high-temperature in April marginally rises, from an enjoyable 65.7°F (18.7°C) in March, to an agreeable 71.4°F (21.9°C). Weather in April »

Weather in May

May, the last month of the spring, in Porterville, is a warm month, with average temperature varying between 54.1°F (12.3°C) and 79.2°F (26.2°C). In May, the average high-temperature marginally rises, from an agreeable 71.4°F (21.9°C) in April, to a moderately hot 79.2°F (26.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Porterville, California, with average temperature varying between 60.8°F (16°C) and 90.5°F (32.5°C). In Porterville, the average high-temperature in June rises, from a warm 79.2°F (26.2°C) in May, to a hot 90.5°F (32.5°C). Weather in June »

Weather in July

July in Porterville, California, is a very hot summer month, with average temperature ranging between min 65.1°F (18.4°C) and max 97.7°F (36.5°C). July is the warmest month, with an average high-temperature of 97.7°F (36.5°C) and an average low-temperature of 65.1°F (18.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another very hot month in Porterville, California, with average temperature fluctuating between 64.8°F (18.2°C) and 96.8°F (36°C). In Porterville, the average high-temperature is practically the same as in July - a still torrid 96.8°F (36°C). Weather in August »

Weather in September

September, the first month of the autumn, in Porterville, is still a hot month, with average temperature fluctuating between 61.9°F (16.6°C) and 90.7°F (32.6°C). In September, the average high-temperature slightly decreases, from a torrid 96.8°F (36°C) in August, to a hot 90.7°F (32.6°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Porterville, California, with average temperature fluctuating between 54.1°F (12.3°C) and 78.1°F (25.6°C). In October, the average high-temperature drops, from a tropical 90.7°F (32.6°C) in September, to a warm 78.1°F (25.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Porterville, California, with average temperature ranging between min 46.6°F (8.1°C) and max 67.1°F (19.5°C). In Porterville, the average high-temperature in November decreases, from a warm 78.1°F (25.6°C) in October, to an enjoyable 67.1°F (19.5°C). Weather in November »

Weather in December

December, the first month of the winter, in Porterville, is also a moderate month, with average temperature fluctuating between 40.3°F (4.6°C) and 57.6°F (14.2°C). December is the coldest month, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 40.3°F (4.6°C). Weather in December »
[Resources]

FAQ

What is the most humid month in Porterville?

With an average relative humidity of 64%, January is the most humid month in Porterville, California.

How much does it rain in Porterville?

Throughout the year, in Porterville, there are 52.3 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

How many days does it snow in Porterville?

In Porterville, California, during the entire year, snow falls for 0.2 days.

When it does not snow in Porterville?

In Porterville, California, snow does not fall in January, March through December.

When is the lowest UV index in Porterville?

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

When does it snow in Porterville?

February is the only month when snow falls in Porterville.

When does it snow the most in Porterville?

February has the most snowfall days of the year in Porterville. Snow falls for 0.2 days.

What is the rainiest month in Porterville?

The month with the most rainfall in Porterville, California, is March when the rain falls for 9.3 days and typically aggregates up to 1.93" (49mm) of precipitation.

What is the driest month in Porterville?

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

When are the longest days in Porterville?

With an average of 14.6h of daylight, June has the longest days of the year in Porterville.

What are the months with the most sunshine in Porterville?

Months with the most sunshine in Porterville are June and July, with an average of 12.2h of sunshine.

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

Months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the warmest month in Porterville?

With an average high-temperature of 97.7°F (36.5°C) and an average low-temperature of 65.1°F (18.4°C), July is the warmest month in Porterville, California.

What is the least humid month in Porterville?

With an average relative humidity of 30%, August is the least humid month in Porterville, California.

What is the coldest month in Porterville?

The coldest month is December, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 40.3°F (4.6°C).

What is the month with the shortest days in Porterville?

December has the shortest days of the year in Porterville, California, with an average of 9.7h of daylight.

What is the month with the least sunshine in Porterville?

With an average of 6.8h of sunshine, December has the least sunshine of the year in Porterville, California.

Average temperature
Porterville, CA

Average temperature - Porterville, CA

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).

[Resources]

Average pressure
Porterville, CA

Average pressure - Porterville, CA

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.87").

[Resources]

Average wind speed
Porterville, CA

Average wind speed - Porterville, CA

The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).

[Resources]

Average rainfall
Porterville, CA

Average rainfall - Porterville, CA

The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").

[Resources]

Average rainfall days
Porterville, CA

Average rainfall days - Porterville, CA

The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).

[Resources]

Average snowfall days
Porterville, CA

Average snowfall days - Porterville, CA

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

[Resources]

Average daylight / Average sunshine
Porterville, CA

Average daylight / Average sunshine - Porterville, CA

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

Months with the most sunshine are June and July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

[Resources]

Average sunshine days
Porterville, CA

Average sunshine days - Porterville, CA

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).

[Resources]

Average UV index
Porterville, CA

Average UV index - Porterville, CA

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

[Resources]

Average visibility
Porterville, CA

Average visibility - Porterville, 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).

[Resources]