July weather forecastJamestown, CO
July
Weather in July
July, like June, in Jamestown, Colorado, is another warm summer month, with an average temperature ranging between min 55.2°F (12.9°C) and max 80.4°F (26.9°C).Temperature
July tends to be the warmest month, with temperatures averaging a daily high of 80.4°F (26.9°C) and a low of 55.2°F (12.9°C).Humidity
The average relative humidity in July is 48%.Rainfall
In Jamestown, during July, the rain falls for 17.8 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 117.3 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July is 14h and 41min.On the first day of the month, sunrise is at 5:36 am and sunset at 8:34 pm. On the last day of July, sunrise is at 5:59 am and sunset at 8:16 pm MDT.
Sunshine
The months with the most sunshine are June and July, with an average of 11.7h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In July, an average UV index of 5 transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Jamestown, CO
- Average high temperature in July: 80.4°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in July: 55.2°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in July
Jamestown, CO
- Average pressure in July: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).
Average wind speed in July
Jamestown, CO
- Average wind speed in July: 5.7mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).
Average humidity in July
Jamestown, CO
- Average humidity in July: 48%
The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in July
Jamestown, CO
- Average rainfall in July: 1.89"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in July
Jamestown, CO
- Average rainfall days in July: 17.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in July
Jamestown, CO
- Average snowfall in July: 0"
The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Jamestown, CO
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Jamestown, CO
- 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: 11h and 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in July
Jamestown, CO
- Average sunshine days in July: 9.9 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in July
Jamestown, CO
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Jamestown, CO
- Average cloud cover in July: 20
The months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in July
Jamestown, CO
- 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).
