August weather forecast
Junction City, CA

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Weather in August

August, the last month of the summer in Junction City, is also a moderately hot month, with an average temperature ranging between max 84.6°F (29.2°C) and min 50.7°F (10.4°C).

Temperature

Junction City witnesses its highest average temperatures during July and August, peaking at 84.6°F (29.2°C).

Heat index

The heat index value for August is calculated to be a tropical 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

With an average relative humidity of 54%, August is the least humid month.

Rainfall

July and August are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.16" (4mm) of rain.

Snowfall

In Junction City, snow does not fall in May through October.

Daylight

In Junction City, the average length of the day in August is 13h and 44min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:27 pm. On the last day of August, sunrise is at 6:39 am and sunset at 7:45 pm PDT.

Sunshine

The average sunshine in August is 11.9h.

UV index

In Junction City, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July and August, with an average high-temperature of 84.6°F (29.2°C), are warmest months.

How hot is it in Junction City in August?

The high-temperature during August is 84.6°F (29.2°C) and the low-temperature is 50.7°F (10.4°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 54%.

What is the average humidity in August?

The average relative humidity in August in Junction City is 54%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 2.5 days and accumulates 0.16" (4mm) of rain.

How many days does it rain in August in Junction City?

In Junction City, in August, during 2.5 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Junction City have in August?

In Junction City, the average day length in August is 13h and 44min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 7:45 pm PDT.

How many hours of sunshine does Junction City have in August?

The average sunshine duration in August is 11.9h.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Junction City, CA

Average temperature in August - Junction City, CA
  • Average high temperature in August: 84.6°F

The warmest months (with the highest average high temperature) are July and August (84.6°F).
The month with the lowest average high temperature is December (45°F).

  • Average low temperature in August: 50.7°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (30°F).

Average pressure in August
Junction City, CA

Average pressure in August - Junction City, CA
  • Average pressure in August: 29.94"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

Average wind speed in August
Junction City, CA

Average wind speed in August - Junction City, CA
  • Average wind speed in August: 3.4mph

The windiest months (with the highest average wind speed) are March and April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

Average humidity in August
Junction City, CA

Average humidity in August - Junction City, CA
  • Average humidity in August: 54%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (54%).

Average rainfall in August
Junction City, CA

Average rainfall in August - Junction City, CA
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is December (6.14").
The driest months (with the least rainfall) are July and August (0.16").

Average rainfall days in August
Junction City, CA

Average rainfall days in August - Junction City, CA
  • Average rainfall days in August: 2.5 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (2.5 days).

Average snowfall in August
Junction City, CA

Average snowfall in August - Junction City, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Junction City, CA

Average snowfall days in August - Junction City, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Junction City, CA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in August
Junction City, CA

Average sunshine days in August - Junction City, CA
  • Average sunshine days in August: 26.8 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is March (10.6 days).

Average UV index in August
Junction City, CA

Average UV index in August - Junction City, CA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Junction City, CA

Average cloud cover in August - Junction City, CA
  • Average cloud cover in August: 8

The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in August
Junction City, CA

Average visibility in August - Junction City, CA
  • Average visibility in August: 6mi

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).

Junction City, California, USA

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