October weather forecast and climate
Modesto, CA

Weather in October

October, like September, in Modesto, California, is a moderately hot autumn month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 77.9°F (25.5°C).

Temperature

In October, the average high-temperature drops, from a tropical 90.9°F (32.7°C) in September, to a warm 77.9°F (25.5°C). The average low-temperature, in Modesto, is 54.5°F (12.5°C).

Humidity

In Modesto, California, the average relative humidity is 48%.

Rainfall

In Modesto, California, during October, the rain falls for 2.5 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Modesto, during the entire year, the rain falls for 54.3 days and collects up to 6.54" (166mm) of precipitation.

Daylight

In Modesto, the average length of the day is 11.2h.

Sunshine

The average sunshine in Modesto is 7.4h.

UV index

The average daily maximum UV index in Modesto is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In October, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in October in Modesto?

In October, in Modesto, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in October in Modesto?

In Modesto, the average relative humidity in October is 48%.

How many days does it rain in October in Modesto?

In Modesto, during October, the rain falls for 2.5 days and regularly aggregates up to 0.35" (9mm) of precipitation.

What is the average length of the day in October in Modesto?

The average length of the day in October in Modesto, California, is 11.2h.

How many hours of sunshine does Modesto have in October?

In Modesto, California, the average sunshine in October is 7.4h.

What is the UV index intensity in October in Modesto?

The average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in October
Modesto, CA

Average temperature in October - Modesto, CA
  • Average high temperature in October: 77.9°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in October: 54.5°F

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

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Average pressure in October
Modesto, CA

Average pressure in October - Modesto, CA
  • Average pressure in October: 29.99"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in October
Modesto, CA

Average wind speed in October - Modesto, CA
  • Average wind speed in October: 5.7mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

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Average humidity in October
Modesto, CA

Average humidity in October - Modesto, CA
  • Average humidity in October: 48%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in October
Modesto, CA

Average rainfall in October - Modesto, CA
  • Average rainfall in October: 0.35"

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in October
Modesto, CA

Average rainfall days in October - Modesto, CA
  • Average rainfall days in October: 2.5 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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Average daylight in October /
Average sunshine in October
Modesto, CA

Average daylight in October / Average sunshine in October - Modesto, CA
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in October: 7.4h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in October
Modesto, CA

Average sunshine days in October - Modesto, CA
  • Average sunshine days in October: 27.7 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

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Average UV index in October
Modesto, CA

Average UV index in October - Modesto, CA
  • Average UV index in October: 5

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

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Average cloud cover in October
Modesto, CA

Average cloud cover in October - Modesto, CA
  • Average cloud cover in October: 13

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in October
Modesto, CA

Average visibility in October - Modesto, CA
  • Average visibility in October: 6mi

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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