July weather forecastLewistown, MO
July
Weather in July
July, like June, in Lewistown, Missouri, is a moderately hot summer month, with an average temperature fluctuating between 84.2°F (29°C) and 66.7°F (19.3°C).Temperature
July, known for its average high temperature of 84.2°F (29°C) and an average low temperature of 66.7°F (19.3°C), is the warmest month.Heat index
The average heat index in July is computed to be a fiery hot 95°F (35°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
May through July, with an average relative humidity of 80%, are the most humid months.Rainfall
In July, the rain falls for 13.3 days. Throughout July, 2.32" (59mm) of precipitation is accumulated. In Lewistown, during the entire year, the rain falls for 130.9 days and collects up to 26.3" (668mm) of precipitation.Snowfall
In Lewistown, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 41min.On the first day of July, sunrise is at 5:42 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:21 pm CDT.
Sunshine
With an average of 10.3h of sunshine, July has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during July translates into the following guidance:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lewistown, MO
- Average high temperature in July: 84.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in July: 66.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in July
Lewistown, MO
- 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 June (29.9"Hg).
Average wind speed in July
Lewistown, MO
- Average wind speed in July: 6.7mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in July
Lewistown, MO
- Average humidity in July: 80%
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Lewistown, MO
- Average rainfall in July: 2.32"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in July
Lewistown, MO
- Average rainfall days in July: 13.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in July
Lewistown, MO
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Lewistown, MO
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Lewistown, MO
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in July
Lewistown, MO
- Average sunshine days in July: 14.8 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12 days).
Average UV index in July
Lewistown, MO
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Lewistown, MO
- Average cloud cover in July: 29
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in July
Lewistown, MO
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





