July weather forecastDorchester, IA
July
Weather in July
July, the same as June, is a moderately hot summer month in Dorchester, Iowa, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 61.3°F (16.3°C).Temperature
Dorchester's warmest weather arrives in July, when temperatures average a high of 79.3°F (26.3°C) and a low of 61.3°F (16.3°C).Humidity
In Dorchester, the average relative humidity in July is 83%.Rainfall
In July, the rain falls for 16.8 days. Throughout July, 2.95" (75mm) of precipitation is accumulated. In Dorchester, during the entire year, the rain falls for 130.5 days and collects up to 26.5" (673mm) of precipitation.Snowfall
In Dorchester, snow does not fall in June through September.Daylight
The average length of the day in July is 15h and 2min.On the first day of July, sunrise is at 5:29 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:29 pm CDT.
Sunshine
In July, the average sunshine is 9.7h.UV index
With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: In July, the maximum UV index of 6 suggests this advice:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Dorchester, 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 (21.7°F).
- Average low temperature in July: 61.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (8.8°F).
Average pressure in July
Dorchester, IA
- Average pressure in July: 29.95"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
Dorchester, IA
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in July
Dorchester, IA
- Average humidity in July: 83%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in July
Dorchester, IA
- Average rainfall in July: 2.95"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in July
Dorchester, IA
- Average rainfall days in July: 16.8 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3 days).
Average snowfall in July
Dorchester, IA
- Average snowfall in July: 0"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Dorchester, IA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Dorchester, IA
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in July: 9h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in July
Dorchester, IA
- Average sunshine days in July: 10.3 days
The month with the most sunshine days is January (17.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in July
Dorchester, IA
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in July
Dorchester, IA
- Average cloud cover in July: 35
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in July
Dorchester, IA
- Average visibility in July: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
