July weather forecastBrewster, WA
July
Weather in July
July, like June, in Brewster, Washington, is a moderately hot summer month, with an average temperature fluctuating between 83.1°F (28.4°C) and 55.9°F (13.3°C).Temperature
In Brewster, the warmest period comes during July and August, when the average high-temperature touches 83.1°F (28.4°C).Heat index
The heat index value for July is computed to be 82.4°F (28°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The average relative humidity in July is 41%.Rainfall
The month with the least rainfall is July, when the rain falls for 4.2 days and typically collects 0.16" (4mm) of precipitation.Snowfall
In Brewster, snow does not fall in April through October.Daylight
In July, the average length of the day is 15h and 35min.On the first day of July in Brewster, sunrise is at 5:03 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:36 pm PDT.
Sunshine
July and August, with an average of 12h of sunshine, are months with the most sunshine.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 7 during July leads to these instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Brewster, WA
- Average high temperature in July: 83.1°F
The warmest months (with the highest average high temperature) are July and August (83.1°F).
The months with the lowest average high temperature are January and December (30.7°F).
- Average low temperature in July: 55.9°F
The month with the highest average low temperature is August (57°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in July
Brewster, WA
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in July
Brewster, WA
- Average wind speed in July: 5.3mph
The windiest months (with the highest average wind speed) are April, June and July (5.3mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).
Average humidity in July
Brewster, WA
- Average humidity in July: 41%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (40%).
Average rainfall in July
Brewster, WA
- Average rainfall in July: 0.16"
The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Brewster, WA
- Average rainfall days in July: 4.2 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in July
Brewster, WA
- Average snowfall in July: 0"
The month with the highest snowfall is December (4.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Brewster, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (9.7 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
Brewster, WA
- Average daylight in July: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in July
Brewster, WA
- Average sunshine days in July: 25.8 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.7 days).
Average UV index in July
Brewster, WA
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in July
Brewster, WA
- Average cloud cover in July: 12
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in July
Brewster, WA
- Average visibility in July: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





