August weather forecast
Colusa, CA

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The scenic setting of shrubs, forests, and a boat on the stunning blue waters of the Colusa River in California
The scenic setting of shrubs, forests, and a boat on the stunning blue waters of the Colusa River in California

Weather in August

The last month of the summer, August, is another torrid month in Colusa, California, with an average temperature varying between 97°F (36.1°C) and 61.3°F (16.3°C).

Temperature

August's arrival brings an average high-temperature of a still fiery hot 97°F (36.1°C), demonstrating subtle variation from the preceding month. Colusa encounters a significant temperature differential, with an average low-temperature of 61.3°F (16.3°C) during August nights.

Humidity

In August, the average relative humidity in Colusa, California, is 39%.

Rainfall

July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

Snowfall

In Colusa, snow does not fall in February through December.

Daylight

In August, the average length of the day is 13h and 39min.
On the first day of August, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm PDT.

Sunshine

The average sunshine in August is 11.9h.

UV index

The months with the highest UV index in Colusa, California, are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 in August translates into these instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot does it get in Colusa in August?

August temperatures in Colusa, California, vary between a high-temperature of 97°F (36.1°C) and a low-temperature of 61.3°F (16.3°C). In June, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in August in Colusa?

In Colusa, California, the average relative humidity in August is 39%.

What is the driest month in Colusa?

The months with the least rainfall are July and August Rain falls for 1.3 days and accumulates 0.04" (1mm) of rain.

How much does it rain in Colusa in August?

In Colusa, during August, the rain falls for 1.3 days and regularly aggregates up to 0.04" (1mm) of precipitation.

When it does not snow in Colusa?

In Colusa, snow does not fall in February through December.

How many hours of daylight does Colusa have in August?

The average day length in August in Colusa, California, is 13h and 39min.

What time are sunrise and sunset in August in Colusa?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm PDT.

How long on average sun shines in August in Colusa?

In Colusa, the average sunshine duration in August is 11.9h.

When is the highest UV index in Colusa?

June through August, with an average maximum UV index of 7, are months with the highest UV index in Colusa, California.

How high is the UV index in August in Colusa?

In Colusa, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Colusa, CA

Average temperature in August - Colusa, CA
  • Average high temperature in August: 97°F

The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

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Average pressure in August
Colusa, CA

Average pressure in August - Colusa, CA
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Colusa, CA

Average wind speed in August - Colusa, CA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in August
Colusa, CA

Average humidity in August - Colusa, CA
  • Average humidity in August: 39%

The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).

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Average rainfall in August
Colusa, CA

Average rainfall in August - Colusa, CA
  • Average rainfall in August: 0.04"

The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in August
Colusa, CA

Average rainfall days in August - Colusa, CA
  • Average rainfall days in August: 1.3 days

The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).

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Average snowfall in August
Colusa, CA

Average snowfall in August - Colusa, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.1").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average daylight in August /
Average sunshine in August
Colusa, CA

Average daylight in August / Average sunshine in August - Colusa, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in August
Colusa, CA

Average sunshine days in August - Colusa, CA
  • Average sunshine days in August: 29.1 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).

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Average UV index in August
Colusa, CA

Average UV index in August - Colusa, CA
  • Average UV index in August: 7

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

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Average cloud cover in August
Colusa, CA

Average cloud cover in August - Colusa, CA
  • Average cloud cover in August: 5

The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in August
Colusa, CA

Average visibility in August - Colusa, CA
  • Average visibility in August: 6mi

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

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Colusa, California, USA

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