July weather forecastJulian, CA
July
Weather in July
The mercury soars in July, marking the height of summer in Julian. This month records the highest temperature parameter of 85.8°F (29.9°C), distinguishing it from the slightly cooler June. The city witnesses an increase in rainfall, breaking the summer dry spell. Slightly reduced daylight hours due to slight cloud cover and increased relative humidity indicate the onset of the city's tropical climate. Despite the higher temperatures, the breezy wind offers a welcoming respite to visitors and locals.Temperature
The transition into July shows a subtle variation to a still warm 85.8°F (29.9°C) from June's 81.3°F (27.4°C) in the average high-temperature. Julian in July observes a sharp transition from the daytime heat, falling to an average low of 62.8°F (17.1°C).Heat index
Throughout July, the heat index is calculated to be a tropical 89.6°F (32°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Julian, the average relative humidity in July is 55%.Rainfall
In Julian, during July, the rain falls for 7.1 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Julian, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In July, the average length of the day is 14h and 5min.On the first day of the month, sunrise is at 5:41 am and sunset at 7:59 pm. On the last day of July, sunrise is at 5:59 am and sunset at 7:45 pm PDT.
Sunshine
The months with the most sunshine are June and July, with an average of 12.1h of sunshine.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In July, an average UV index of 6 transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Julian, CA
- Average high temperature in July: 85.8°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in July: 62.8°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).
Average pressure in July
Julian, CA
- Average pressure in July: 29.89"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Julian, CA
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in July
Julian, CA
- Average humidity in July: 55%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).
Average rainfall in July
Julian, CA
- Average rainfall in July: 0.71"
The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in July
Julian, CA
- Average rainfall days in July: 7.1 days
The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in July
Julian, CA
- Average snowfall in July: 0"
The month with the highest snowfall is March (6.7").
The months with the least snowfall are June, July, August, September and October (0").
Average daylight in July /
Average sunshine in July
Julian, CA
- Average daylight in July: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in July: 12h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in July
Julian, CA
- Average sunshine days in July: 19.4 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in July
Julian, CA
- Average UV index in July: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in July
Julian, CA
- Average cloud cover in July: 9
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in July
Julian, CA
- Average visibility in July: 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).
