July weather forecast and climate
Eureka, CA

The Lost Fisherman
The Lost Fisherman's Memorial in scenic surroundings of Eureka, California

Weather in July

July, the same as June, is another comfortable summer month in Eureka, California, with average temperature varying between 67.6°F (19.8°C) and 52.3°F (11.3°C).

Temperature

In July, the average high-temperature is essentially the same as in June - a still enjoyable 67.6°F (19.8°C). The average low-temperature, in July, is 52.3°F (11.3°C).

Humidity

The average relative humidity in Eureka is 80%.

Rainfall

July is the month with the least rainfall in Eureka. Rain falls for 2.3 days and accumulates 0.08" (2mm) of precipitation.

Snowfall

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

Daylight

In Eureka, the average length of the day is 14.7h.

Sunshine

Months with the most sunshine are July and August, with an average of 11.6h of sunshine.

UV index

The month with the highest UV index is July, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In July, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 temperature in July in Eureka?

In July, in Eureka, the average high-temperature is 67.6°F (19.8°C), and the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in July in Eureka?

In Eureka, the average relative humidity in July is 80%.

How much does it rain in Eureka in July?

In July, in Eureka, the rain falls for 2.3 days. Throughout July, 0.08" (2mm) of precipitation is accumulated.

What is the driest month in Eureka?

The month with the least rainfall in Eureka is July when the rain falls for 2.3 days and typically collects 0.08" (2mm) of precipitation.

When it does not snow in Eureka?

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

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

In July, the average length of the day in Eureka is 14.7h.

What is the month with the most sunshine in Eureka?

July and August, with an average of 11.6h of sunshine, are months with the most sunshine in Eureka, California.

How long on average sun shines in July in Eureka?

The average sunshine in July in Eureka, California, is 11.6h.

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

With an average maximum UV index of 5, July is the month with the highest UV index in Eureka.

What is the UV index reading in July in Eureka?

In Eureka, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in July
Eureka, CA

Average temperature in July - Eureka, CA
  • Average high temperature in July: 67.6°F

The warmest month (with the highest average high temperature) is August (68.4°F).
Months with the lowest average high temperature are February and December (52.9°F).

  • Average low temperature in July: 52.3°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (42.4°F).

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Average pressure in July
Eureka, CA

Average pressure in July - Eureka, CA
  • Average pressure in July: 29.98"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is August (29.96").

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Average wind speed in July
Eureka, CA

Average wind speed in July - Eureka, CA
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in July
Eureka, CA

Average humidity in July - Eureka, CA
  • Average humidity in July: 80%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in July
Eureka, CA

Average rainfall in July - Eureka, CA
  • Average rainfall in July: 0.08"

The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in July
Eureka, CA

Average rainfall days in July - Eureka, CA
  • Average rainfall days in July: 2.3 days

The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1.7 days).

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Average snowfall in July
Eureka, CA

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

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in July
Eureka, CA

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

Months with the highest number of snowfall days are February and December (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in July / Average sunshine in July - Eureka, CA
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 11.6h

Months with the most sunshine are July and August (Average sunshine: 11.6h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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Average sunshine days in July
Eureka, CA

Average sunshine days in July - Eureka, CA
  • Average sunshine days in July: 27.7 days

The month with the most sunshine days is July (27.7 days).
The month with the least sunshine days is March (17.9 days).

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Average UV index in July
Eureka, CA

Average UV index in July - Eureka, CA
  • Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in July
Eureka, CA

Average cloud cover in July - Eureka, CA
  • Average cloud cover in July: 16

The month with the most cloud cover is March (Cloud cover 46).
Months with the least cloud cover are July and August (Cloud cover 16).

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Average visibility in July
Eureka, CA

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

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

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