July weather forecastSaint Olaf, IA
July
Weather in July
July, the same as June, is a moderately hot summer month in Saint Olaf, Iowa, with an average temperature fluctuating between 62.4°F (16.9°C) and 79.3°F (26.3°C).Temperature
With average high temperatures of 79.3°F (26.3°C) and lows of 62.4°F (16.9°C), July is the warmest month.Humidity
In July, the average relative humidity is 84%.Rainfall
In Saint Olaf, in July, it is raining for 16.9 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 138 rainfall days, and 29.21" (742mm) of precipitation is accumulated.Snowfall
In Saint Olaf, snow does not fall in June through September.Daylight
In July, the average length of the day is 14h and 59min.On the first day of July, sunrise is at 5:30 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:27 pm CDT.
Sunshine
The average sunshine in July is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during July leads to these advisories:
Undertake precautions - Guarding against sun damage is counselled. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint Olaf, IA
- Average high temperature in July: 79.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in July: 62.4°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in July
Saint Olaf, IA
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in July
Saint Olaf, IA
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in July
Saint Olaf, IA
- Average humidity in July: 84%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in July
Saint Olaf, IA
- Average rainfall in July: 3.11"
The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in July
Saint Olaf, IA
- Average rainfall days in July: 16.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in July
Saint Olaf, IA
- Average snowfall in July: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Saint Olaf, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Saint Olaf, IA
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in July: 9h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
Saint Olaf, IA
- Average sunshine days in July: 10.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in July
Saint Olaf, IA
- Average UV index in July: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in July
Saint Olaf, IA
- Average cloud cover in July: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in July
Saint Olaf, IA
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





