July weather forecastLacey, WA
July
Weather in July
July is the warmest month in Lacey, with the highest temperature reaching an average of 77.9°F (25.5°C). The summer heat is periodically balanced by gentle breezes, while the rainfall is kept at bay. The sun dominates the sky for an impressive 10.1h daily average cast under the longest day length of the year. Outdoor activities flourish under July's summery glow, offering lavish sun-soaked days.Temperature
The onset of July marks a slight increase in the average high-temperature, moving from a pleasant 70.3°F (21.3°C) in June to a moderately hot 77.9°F (25.5°C). Lacey reports a considerable drop from daytime temperatures in July, recording an average nighttime figure of 49.6°F (9.8°C).Humidity
With an average relative humidity of 71%, July is the least humid month.Rainfall
The month with the least rainfall is July, when the rain falls for 6.9 days and typically collects 0.39" (10mm) of precipitation.Snowfall
In Lacey, snow does not fall in April through October.Daylight
In Lacey, the average length of the day in July is 15h and 27min.On the first day of July, sunrise is at 5:20 am and sunset at 9:10 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:44 pm PDT.
Sunshine
The average sunshine in July is 10.1h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lacey, WA
- Average high temperature in July: 77.9°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in July: 49.6°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in July
Lacey, WA
- Average pressure in July: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in July
Lacey, WA
- Average wind speed in July: 4.2mph
The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in July
Lacey, WA
- Average humidity in July: 71%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).
Average rainfall in July
Lacey, WA
- Average rainfall in July: 0.39"
The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in July
Lacey, WA
- Average rainfall days in July: 6.9 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in July
Lacey, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Lacey, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.3 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
Lacey, WA
- Average daylight in July: 15h and 24min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in July: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in July
Lacey, WA
- Average sunshine days in July: 21.9 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in July
Lacey, WA
- Average UV index in July: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Lacey, WA
- Average cloud cover in July: 35
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in July
Lacey, WA
- Average visibility in July: 5mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).





