July weather forecast and climate
Yreka, CA

Weather in July

July is a warm summer month in Yreka, California, with average temperature fluctuating between 49.8°F (9.9°C) and 84.2°F (29°C).

Temperature

July and August, with an average high-temperature of 84.2°F (29°C), are the warmest months.

Heat index

The average heat index in July is calculated to be a hot 86.4°F (30.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like activity, pregnancy, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July is 54%.

Rainfall

July is the month with the least rainfall in Yreka. Rain falls for 3.2 days and accumulates 0.16" (4mm) of precipitation.

Snowfall

In Yreka, California, snow does not fall in May through September.

Daylight

In Yreka, the average length of the day is 14.8h.

Sunshine

The month with the most sunshine is July, with an average of 12.1h of sunshine.

UV index

July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Yreka?

July and August, with an average high-temperature of 84.2°F (29°C), are warmest months.

What is the temperature in July in Yreka?

In Yreka, in July, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 49.8°F (9.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86.4°F (30.2°C).

What is the average humidity in July in Yreka?

The average relative humidity in July in Yreka, California, is 54%.

What is the driest month in Yreka?

The month with the least rainfall in Yreka, California, is July when the rain falls for 3.2 days and typically collects 0.16" (4mm) of precipitation.

How much does it rain in Yreka in July?

In Yreka, California, in July, during 3.2 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow in Yreka?

May through September are months without snowfall in Yreka, California.

What is the average length of the day in July in Yreka?

The average length of the day in July in Yreka is 14.8h.

What month has the most sunshine in Yreka?

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

How long on average sun shines in July in Yreka?

In Yreka, the average sunshine in July is 12.1h.

When is the highest UV index in Yreka?

With an average maximum UV index of 6, July is the month with the highest UV index in Yreka.

What is the UV index intensity in July in Yreka?

The average daily maximum UV index in July in Yreka, California, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in July
Yreka, CA

Average temperature in July - Yreka, CA
  • Average high temperature in July: 84.2°F

The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in July: 49.8°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in July
Yreka, CA

Average pressure in July - Yreka, CA
  • Average pressure in July: 29.97"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is August (29.96").

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Average wind speed in July
Yreka, CA

Average wind speed in July - Yreka, CA
  • Average wind speed in July: 3.7mph

The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in July
Yreka, CA

Average humidity in July - Yreka, CA
  • Average humidity in July: 54%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in July
Yreka, CA

Average rainfall in July - Yreka, CA
  • Average rainfall in July: 0.16"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in July
Yreka, CA

Average rainfall days in July - Yreka, CA
  • Average rainfall days in July: 3.2 days

The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).

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Average snowfall in July
Yreka, CA

Average snowfall in July - Yreka, CA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (5.39").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Yreka, CA

Average snowfall days in July - Yreka, CA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (7.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Yreka, CA

Average daylight in July / Average sunshine in July - Yreka, CA
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in July: 12.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January and December (Average sunshine: 5.7).

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Average sunshine days in July
Yreka, CA

Average sunshine days in July - Yreka, CA
  • Average sunshine days in July: 25.4 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).

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Average UV index in July
Yreka, CA

Average UV index in July - Yreka, CA
  • Average UV index in July: 6

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

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Average cloud cover in July
Yreka, CA

Average cloud cover in July - Yreka, CA
  • Average cloud cover in July: 9

Months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in July
Yreka, CA

Average visibility in July - Yreka, CA
  • Average visibility in July: 6mi

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, November and December (5mi).

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