July weather forecast and climate
Jamestown, ND

Weather in July

July, the same as June, is another warm summer month in Jamestown, North Dakota, with average temperature fluctuating between 60.4°F (15.8°C) and 81.3°F (27.4°C).

Temperature

The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 60.4°F (15.8°C).

Heat index

The average heat index is estimated at 84.6°F (29.2°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, pregnancy, wind, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity in Jamestown is 66%.

Rainfall

In Jamestown, during July, the rain falls for 12.4 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 96.6 rainfall days, and 16.77" (426mm) of precipitation is accumulated.

Snowfall

In Jamestown snow does not fall in June through September.

Daylight

In July, the average length of the day is 15.4h.

Sunshine

July has the most sunshine of the year in Jamestown, with an average of 11h of sunshine.

UV index

Months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Jamestown?

July is the warmest month in Jamestown, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 60.4°F (15.8°C).

What is the temperature in July in Jamestown?

The average high-temperature, in July, in Jamestown, is 81.3°F (27.4°C), while the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines relative humidity and air temperature, in July is calculated to 84.6°F (29.2°C).

What is the average humidity in July in Jamestown?

In Jamestown, the average relative humidity in July is 66%.

How much does it rain in Jamestown in July?

In Jamestown, in July, it is raining for 12.4 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Jamestown?

In Jamestown snow does not fall in June through September.

What is the average length of the day in July in Jamestown?

In Jamestown, the average length of the day in July is 15.4h.

What month has the most sunshine in Jamestown?

With an average of 11h of sunshine, July has the most sunshine of the year in Jamestown, North Dakota.

How long on average sun shines in July in Jamestown?

In July, the average sunshine in Jamestown, North Dakota, is 11h.

When is the highest UV index in Jamestown?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Jamestown, North Dakota.

What is the UV index reading in July in Jamestown?

In July, the average daily maximum UV index in Jamestown is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in July
Jamestown, ND

Average temperature in July - Jamestown, ND
  • Average high temperature in July: 81.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (17.8°F).

  • Average low temperature in July: 60.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).

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Average pressure in July
Jamestown, ND

Average pressure in July - Jamestown, ND
  • Average pressure in July: 29.91"

The month with the highest atmospheric pressure is February (30.18").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in July
Jamestown, ND

Average wind speed in July - Jamestown, ND
  • Average wind speed in July: 8.7mph

The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in July
Jamestown, ND

Average humidity in July - Jamestown, ND
  • Average humidity in July: 66%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in July
Jamestown, ND

Average rainfall in July - Jamestown, ND
  • Average rainfall in July: 1.97"

The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in July
Jamestown, ND

Average rainfall days in July - Jamestown, ND
  • Average rainfall days in July: 12.4 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall in July
Jamestown, ND

Average snowfall in July - Jamestown, ND
  • Average snowfall in July: 0"

The month with the highest snowfall is December (4.69").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Jamestown, ND

Average snowfall days in July - Jamestown, ND
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (13.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Jamestown, ND

Average daylight in July / Average sunshine in July - Jamestown, ND
  • Average daylight in July: 15.4h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in July: 11h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in July
Jamestown, ND

Average sunshine days in July - Jamestown, ND
  • Average sunshine days in July: 15.3 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (12 days).

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Average UV index in July
Jamestown, ND

Average UV index in July - Jamestown, ND
  • Average UV index in July: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February and November (UV index 1).

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Average cloud cover in July
Jamestown, ND

Average cloud cover in July - Jamestown, ND
  • Average cloud cover in July: 24

The month with the most cloud cover is February (Cloud cover 63).
Months with the least cloud cover are July and August (Cloud cover 24).

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Average visibility in July
Jamestown, ND

Average visibility in July - Jamestown, ND
  • Average visibility in July: 6mi

Months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February and March (5mi).

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