July weather forecastSwansea, CA
July
Weather in July
July is a hot summer month in Swansea, California, with an average temperature ranging between max 86°F (30°C) and min 69.1°F (20.6°C).Temperature
In Swansea, the month of July is known for its highest average temperatures, reaching a high of 86°F (30°C) and a low of 69.1°F (20.6°C).Humidity
In July, the average relative humidity is 21%.Rainfall
In July, the rain falls for 4.8 days. Throughout July, 0.43" (11mm) of precipitation is accumulated. In Swansea, during the entire year, the rain falls for 48 days and collects up to 4.92" (125mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In July, the average length of the day is 14h and 22min.On the first day of July, sunrise is at 5:37 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:58 pm PDT.
Sunshine
In Swansea, California, the average sunshine in July is 12.1h.UV index
July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 7 in July transforms into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Swansea, CA
- Average high temperature in July: 86°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (46.9°F).
- Average low temperature in July: 69.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).
Average pressure in July
Swansea, CA
- Average pressure in July: 29.88"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in July
Swansea, CA
- Average wind speed in July: 6.6mph
The windiest months (with the highest average wind speed) are April, May and June (7.6mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in July
Swansea, CA
- Average humidity in July: 21%
The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is August (19%).
Average rainfall in July
Swansea, CA
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is December (0.67").
The driest months (with the least rainfall) are June and September (0.16").
Average rainfall days in July
Swansea, CA
- Average rainfall days in July: 4.8 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is September (2.3 days).
Average snowfall in July
Swansea, CA
- Average snowfall in July: 0"
The month with the highest snowfall is December (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Swansea, CA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Swansea, CA
- Average daylight in July: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 12h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 18min).
Average sunshine days in July
Swansea, CA
- Average sunshine days in July: 20 days
The month with the most sunshine days is October (27.7 days).
The month with the least sunshine days is July (20 days).
Average UV index in July
Swansea, CA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in July
Swansea, CA
- Average cloud cover in July: 7
The month with the most cloud cover is January (Cloud cover 16).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in July
Swansea, 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).
