July weather forecastGrand Rapids, OR
July
Weather in July
July in Grand Rapids, Oregon, is a warm summer month, with an average temperature fluctuating between 75.2°F (24°C) and 49.6°F (9.8°C).Temperature
July showcases a minor temperature ascent, adjusting from June's agreeable 68.2°F (20.1°C) to a warm 75.2°F (24°C). July, marked by an average low-temperature of 49.6°F (9.8°C), indicates a large temperature drop from the daytime peak.Humidity
The least humid month is July, with an average relative humidity of 73%.Rainfall
The months with the least rainfall are July and August Rain falls for 6 days and accumulates 0.51" (13mm) of rain.Snowfall
May through October are months without snowfall.Daylight
In July, the average length of the day is 15h and 19min.On the first day of the month, sunrise is at 5:28 am and sunset at 9:08 pm. On the last day of July, sunrise is at 5:56 am and sunset at 8:44 pm PDT.
Sunshine
In Grand Rapids, the average sunshine in July is 9.9h.UV index
With an average maximum UV index of 5, July is the month with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 5 during July translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Grand Rapids, OR
- Average high temperature in July: 75.2°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in July: 49.6°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in July
Grand Rapids, OR
- Average pressure in July: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in July
Grand Rapids, OR
- Average wind speed in July: 4.5mph
The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in July
Grand Rapids, OR
- Average humidity in July: 73%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in July
Grand Rapids, OR
- Average rainfall in July: 0.51"
The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in July
Grand Rapids, OR
- Average rainfall days in July: 6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).
Average snowfall in July
Grand Rapids, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Grand Rapids, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (4.4 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
Grand Rapids, OR
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in July: 9h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in July
Grand Rapids, OR
- Average sunshine days in July: 22.1 days
The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).
Average UV index in July
Grand Rapids, OR
- 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, November and December (UV index 2).
Average cloud cover in July
Grand Rapids, OR
- Average cloud cover in July: 38
The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in July
Grand Rapids, OR
- Average visibility in July: 5mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).





