July weather forecastLyman, WA
July
Weather in July
July is an agreeable summer month in Lyman, Washington, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 70.9°F (21.6°C).Temperature
The warmest month is July, with an average high-temperature of 70.9°F (21.6°C) and an average low-temperature of 49.1°F (9.5°C).Humidity
July is the least humid month, with an average relative humidity of 75%.Rainfall
The month with the least rainfall in Lyman, Washington, is July, when the rain falls for 9.8 days and typically collects 0.98" (25mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In July, the average length of the day is 15h and 39min.On the first day of July, sunrise is at 5:10 am and sunset at 9:13 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:46 pm PDT.
Sunshine
The average sunshine in July is 10.1h.UV index
July is the month with the highest UV index, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in July interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lyman, WA
- Average high temperature in July: 70.9°F
The warmest month (with the highest average high temperature) is July (70.9°F).
The month with the lowest average high temperature is December (40.5°F).
- Average low temperature in July: 49.1°F
The month with the highest average low temperature is August (50.5°F).
The coldest months (with the lowest average low temperature) are February and December (32.5°F).
Average pressure in July
Lyman, WA
- Average pressure in July: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in July
Lyman, WA
- Average wind speed in July: 3.5mph
The windiest month (with the highest average wind speed) is November (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in July
Lyman, WA
- Average humidity in July: 75%
The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is July (75%).
Average rainfall in July
Lyman, WA
- Average rainfall in July: 0.98"
The wettest month (with the highest rainfall) is November (7.09").
The driest month (with the least rainfall) is July (0.98").
Average rainfall days in July
Lyman, WA
- Average rainfall days in July: 9.8 days
The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is August (9.4 days).
Average snowfall in July
Lyman, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Lyman, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.3 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
Lyman, WA
- Average daylight in July: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in July: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in July
Lyman, WA
- Average sunshine days in July: 18.8 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in July
Lyman, WA
- Average UV index in July: 5
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in July
Lyman, WA
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in July
Lyman, WA
- Average visibility in July: 6mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).





