July weather forecastAhtanum, WA
July
Weather in July
July is a hot summer month in Ahtanum, Washington, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 86.2°F (30.1°C).Temperature
Ahtanum's July weather shows an increase in high-temperatures, moving from June's warm 76.5°F (24.7°C) to a hot 86.2°F (30.1°C). In July, the temperature sees a substantial plunge from daytime highs to a low average of 59.2°F (15.1°C).Humidity
July and August, with an average relative humidity of 39%, are the least humid months in Ahtanum.Rainfall
The month with the least rainfall is July, when the rain falls for 2.1 days and typically collects 0.08" (2mm) of precipitation.Snowfall
April through August and October are months without snowfall.Daylight
In Ahtanum, the average length of the day in July is 15h and 23min.On the first day of July, sunrise is at 5:13 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:34 pm PDT.
Sunshine
The months with the most sunshine are July and August, with an average of 12.1h of sunshine.UV index
With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 7 during July translates into the following guidance:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Ahtanum, WA
- Average high temperature in July: 86.2°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in July: 59.2°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in July
Ahtanum, WA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in July
Ahtanum, WA
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in July
Ahtanum, WA
- Average humidity in July: 39%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in July
Ahtanum, WA
- Average rainfall in July: 0.08"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in July
Ahtanum, WA
- Average rainfall days in July: 2.1 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in July
Ahtanum, WA
- Average snowfall in July: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in July
Ahtanum, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Ahtanum, 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: 12h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in July
Ahtanum, WA
- Average sunshine days in July: 27.5 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in July
Ahtanum, WA
- 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 January, February, November and December (UV index 2).
Average cloud cover in July
Ahtanum, WA
- Average cloud cover in July: 9
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in July
Ahtanum, WA
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





